./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/function_call_named_arguments.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:59,632 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:59,668 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a283ec40-485a-467f-9358-cef88029dece/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:59,671 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:59,671 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:59,684 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:59,685 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:59,685 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:59,685 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:59,685 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:59,685 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:59,685 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:59,686 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:59,686 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:59,686 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:59,869 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:59,877 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:59,879 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:59,880 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:59,880 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:59,881 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a283ec40-485a-467f-9358-cef88029dece/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/function_call_named_arguments.sol_0_no_adts_000.smt2
[2025-05-07 17:25:59,882 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:59,884 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:00,175 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a283ec40-485a-467f-9358-cef88029dece/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/function_call_named_arguments.sol_0_no_adts_000.smt2
[2025-05-07 17:26:00,177 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:00,178 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:00,179 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:00,179 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:00,179 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:00,181 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,220 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00 Unit
[2025-05-07 17:26:00,220 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:00,221 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:00,221 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:00,221 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:00,232 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,232 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,257 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,257 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,264 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,265 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,267 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,269 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,271 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,297 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:00,298 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:00,298 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:00,298 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:00,299 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (1/1) ...
[2025-05-07 17:26:00,301 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:00,313 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:00,322 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:26:00,324 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:26:00,330 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:00,330 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:00,330 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:00,330 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:26:00,330 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_10_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_10_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_10_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_38_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure block_38_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_38_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_32_return_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure block_32_return_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_32_return_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_40_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure block_40_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_40_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_34_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure block_34_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_34_function_call__103_104_0
[2025-05-07 17:26:00,331 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_39_function_f__37_104_0 given in one single declaration
[2025-05-07 17:26:00,331 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_39_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_39_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_8_function_f__37_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_8_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_8_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_25_return_function_f__37_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_25_return_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_25_return_function_f__37_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_29_f_36_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_29_f_36_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_29_f_36_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_28_if_false_f_34_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_28_if_false_f_34_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_28_if_false_f_34_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_26_if_header_f_35_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_26_if_header_f_35_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_26_if_header_f_35_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_f_36_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_f_36_104_0
[2025-05-07 17:26:00,332 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_f_36_104_0
[2025-05-07 17:26:00,332 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_f__37_104_0 given in one single declaration
[2025-05-07 17:26:00,332 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_f__37_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_f__37_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_27_if_true_f_30_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure block_27_if_true_f_30_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_27_if_true_f_30_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_36_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure block_36_function_call__103_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_36_function_call__103_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_37_function_f__37_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_37_function_f__37_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_37_function_f__37_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_31_call_102_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure block_31_call_102_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_31_call_102_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_30_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure block_30_function_call__103_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_30_function_call__103_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_33_function_l__14_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_33_function_l__14_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_33_function_l__14_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_7_function_l__14_104_0 given in one single declaration
[2025-05-07 17:26:00,333 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_7_function_l__14_104_0
[2025-05-07 17:26:00,333 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_7_function_l__14_104_0
[2025-05-07 17:26:00,333 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_return_function_l__14_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_return_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_return_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_l_13_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_l_13_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_l_13_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_l__14_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_35_function_l__14_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_35_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_35_function_l__14_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_41_function_call__103_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure block_41_function_call__103_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_41_function_call__103_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_4_C_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_4_C_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_4_C_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_6_C_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_6_C_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_6_C_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_45_C_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_45_C_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_45_C_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_42_C_104_0 given in one single declaration
[2025-05-07 17:26:00,334 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_42_C_104_0
[2025-05-07 17:26:00,334 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_42_C_104_0
[2025-05-07 17:26:00,334 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_44_C_104_0 given in one single declaration
[2025-05-07 17:26:00,335 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_44_C_104_0
[2025-05-07 17:26:00,335 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_44_C_104_0
[2025-05-07 17:26:00,335 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_43_C_104_0 given in one single declaration
[2025-05-07 17:26:00,335 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_43_C_104_0
[2025-05-07 17:26:00,335 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_43_C_104_0
[2025-05-07 17:26:00,335 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:00,335 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:00,335 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:00,547 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:00,549 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:00,887 INFO  L?                        ?]: Removed 323 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:00,887 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:00,897 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:00,897 INFO  L312             CfgBuilder]: Removed 19 assume(true) statements.
[2025-05-07 17:26:00,898 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:00 BoogieIcfgContainer
[2025-05-07 17:26:00,898 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:00,899 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:00,900 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:00,902 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:00,902 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:00" (1/3) ...
[2025-05-07 17:26:00,903 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d25d61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:00, skipping insertion in model container
[2025-05-07 17:26:00,903 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:00" (2/3) ...
[2025-05-07 17:26:00,903 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d25d61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:00, skipping insertion in model container
[2025-05-07 17:26:00,903 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:00" (3/3) ...
[2025-05-07 17:26:00,904 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:00,915 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:00,917 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 35 procedures, 156 locations, 270 edges, 35 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:00,951 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:00,959 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ddc6a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:00,959 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:00,963 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 156 states, 56 states have (on average 1.125) internal successors, (63), 63 states have internal predecessors, (63), 65 states have call successors, (69), 34 states have call predecessors, (69), 34 states have return successors, (69), 58 states have call predecessors, (69), 65 states have call successors, (69)
[2025-05-07 17:26:00,971 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:00,971 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:00,972 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:00,972 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:00,975 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:00,976 INFO  L85        PathProgramCache]: Analyzing trace with hash 937352688, now seen corresponding path program 1 times
[2025-05-07 17:26:00,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:00,981 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989251028]
[2025-05-07 17:26:00,982 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:00,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:01,034 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:01,101 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:01,102 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:01,102 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:01,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:01,367 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:01,367 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989251028]
[2025-05-07 17:26:01,368 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989251028] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:01,368 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:01,370 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:01,371 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122380349]
[2025-05-07 17:26:01,372 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:01,381 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:01,381 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:01,406 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:01,406 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:01,409 INFO  L87              Difference]: Start difference. First operand  has 156 states, 56 states have (on average 1.125) internal successors, (63), 63 states have internal predecessors, (63), 65 states have call successors, (69), 34 states have call predecessors, (69), 34 states have return successors, (69), 58 states have call predecessors, (69), 65 states have call successors, (69) Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:01,604 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:01,604 INFO  L93              Difference]: Finished difference Result 155 states and 198 transitions.
[2025-05-07 17:26:01,606 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:01,608 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:26:01,608 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:01,617 INFO  L225             Difference]: With dead ends: 155
[2025-05-07 17:26:01,617 INFO  L226             Difference]: Without dead ends: 154
[2025-05-07 17:26:01,619 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:01,621 INFO  L437           NwaCegarLoop]: 185 mSDtfsCounter, 1 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:01,622 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1076 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:01,633 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2025-05-07 17:26:01,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152.
[2025-05-07 17:26:01,653 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 152 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 60 states have internal predecessors, (60), 63 states have call successors, (67), 34 states have call predecessors, (67), 34 states have return successors, (67), 57 states have call predecessors, (67), 63 states have call successors, (67)
[2025-05-07 17:26:01,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions.
[2025-05-07 17:26:01,658 INFO  L79                 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 65
[2025-05-07 17:26:01,660 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:01,660 INFO  L485      AbstractCegarLoop]: Abstraction has 152 states and 194 transitions.
[2025-05-07 17:26:01,660 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:01,660 INFO  L278                IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions.
[2025-05-07 17:26:01,662 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:01,663 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:01,663 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:01,663 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:01,663 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:01,663 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:01,664 INFO  L85        PathProgramCache]: Analyzing trace with hash -1456790308, now seen corresponding path program 1 times
[2025-05-07 17:26:01,664 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:01,664 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651944555]
[2025-05-07 17:26:01,664 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:01,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:01,692 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:01,712 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:01,713 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:01,713 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:02,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,304 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651944555]
[2025-05-07 17:26:02,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651944555] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,305 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:02,305 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000415017]
[2025-05-07 17:26:02,305 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,306 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:02,306 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,306 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:02,306 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:02,307 INFO  L87              Difference]: Start difference. First operand 152 states and 194 transitions. Second operand  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:26:02,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,470 INFO  L93              Difference]: Finished difference Result 149 states and 189 transitions.
[2025-05-07 17:26:02,470 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:02,471 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:26:02,471 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,473 INFO  L225             Difference]: With dead ends: 149
[2025-05-07 17:26:02,473 INFO  L226             Difference]: Without dead ends: 147
[2025-05-07 17:26:02,473 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:02,474 INFO  L437           NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,474 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1223 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:02,475 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2025-05-07 17:26:02,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2025-05-07 17:26:02,487 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 147 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 58 states have internal predecessors, (58), 61 states have call successors, (64), 33 states have call predecessors, (64), 33 states have return successors, (64), 55 states have call predecessors, (64), 61 states have call successors, (64)
[2025-05-07 17:26:02,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 186 transitions.
[2025-05-07 17:26:02,489 INFO  L79                 Accepts]: Start accepts. Automaton has 147 states and 186 transitions. Word has length 68
[2025-05-07 17:26:02,490 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,490 INFO  L485      AbstractCegarLoop]: Abstraction has 147 states and 186 transitions.
[2025-05-07 17:26:02,490 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:26:02,490 INFO  L278                IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions.
[2025-05-07 17:26:02,493 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2025-05-07 17:26:02,493 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,494 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:02,494 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:02,494 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,494 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,495 INFO  L85        PathProgramCache]: Analyzing trace with hash 364038990, now seen corresponding path program 1 times
[2025-05-07 17:26:02,495 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,495 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798690172]
[2025-05-07 17:26:02,495 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,495 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,530 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes.
[2025-05-07 17:26:02,544 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements.
[2025-05-07 17:26:02,544 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,545 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2025-05-07 17:26:02,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,647 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798690172]
[2025-05-07 17:26:02,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798690172] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,648 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:02,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123521129]
[2025-05-07 17:26:02,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,648 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:02,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,649 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:02,649 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:02,649 INFO  L87              Difference]: Start difference. First operand 147 states and 186 transitions. Second operand  has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (23), 7 states have call predecessors, (23), 3 states have call successors, (23)
[2025-05-07 17:26:02,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,768 INFO  L93              Difference]: Finished difference Result 149 states and 187 transitions.
[2025-05-07 17:26:02,768 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:02,769 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (23), 7 states have call predecessors, (23), 3 states have call successors, (23) Word has length 82
[2025-05-07 17:26:02,769 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,770 INFO  L225             Difference]: With dead ends: 149
[2025-05-07 17:26:02,770 INFO  L226             Difference]: Without dead ends: 146
[2025-05-07 17:26:02,770 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:02,771 INFO  L437           NwaCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,771 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1014 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:02,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2025-05-07 17:26:02,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144.
[2025-05-07 17:26:02,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 144 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 57 states have internal predecessors, (57), 58 states have call successors, (61), 33 states have call predecessors, (61), 33 states have return successors, (61), 53 states have call predecessors, (61), 58 states have call successors, (61)
[2025-05-07 17:26:02,777 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 179 transitions.
[2025-05-07 17:26:02,778 INFO  L79                 Accepts]: Start accepts. Automaton has 144 states and 179 transitions. Word has length 82
[2025-05-07 17:26:02,778 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,778 INFO  L485      AbstractCegarLoop]: Abstraction has 144 states and 179 transitions.
[2025-05-07 17:26:02,778 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (23), 7 states have call predecessors, (23), 3 states have call successors, (23)
[2025-05-07 17:26:02,778 INFO  L278                IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions.
[2025-05-07 17:26:02,779 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:02,779 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,779 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:02,779 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:02,779 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,780 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,780 INFO  L85        PathProgramCache]: Analyzing trace with hash 1601903360, now seen corresponding path program 1 times
[2025-05-07 17:26:02,780 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,780 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447292781]
[2025-05-07 17:26:02,780 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,811 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:02,814 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:02,814 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,814 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:02,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,874 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447292781]
[2025-05-07 17:26:02,874 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447292781] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,874 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,874 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:02,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851392198]
[2025-05-07 17:26:02,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,875 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:02,875 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,875 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:02,875 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:02,875 INFO  L87              Difference]: Start difference. First operand 144 states and 179 transitions. Second operand  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:26:02,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,884 INFO  L93              Difference]: Finished difference Result 148 states and 183 transitions.
[2025-05-07 17:26:02,884 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:02,884 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 85
[2025-05-07 17:26:02,885 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,885 INFO  L225             Difference]: With dead ends: 148
[2025-05-07 17:26:02,885 INFO  L226             Difference]: Without dead ends: 144
[2025-05-07 17:26:02,886 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:02,886 INFO  L437           NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,886 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 532 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:02,887 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2025-05-07 17:26:02,892 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142.
[2025-05-07 17:26:02,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 142 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 56 states have internal predecessors, (56), 56 states have call successors, (59), 33 states have call predecessors, (59), 33 states have return successors, (59), 52 states have call predecessors, (59), 56 states have call successors, (59)
[2025-05-07 17:26:02,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions.
[2025-05-07 17:26:02,893 INFO  L79                 Accepts]: Start accepts. Automaton has 142 states and 174 transitions. Word has length 85
[2025-05-07 17:26:02,893 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,893 INFO  L485      AbstractCegarLoop]: Abstraction has 142 states and 174 transitions.
[2025-05-07 17:26:02,893 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:26:02,893 INFO  L278                IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions.
[2025-05-07 17:26:02,894 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:02,894 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,895 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:02,895 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:26:02,895 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,895 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,895 INFO  L85        PathProgramCache]: Analyzing trace with hash 1893088252, now seen corresponding path program 1 times
[2025-05-07 17:26:02,895 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,895 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542807765]
[2025-05-07 17:26:02,895 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,926 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:02,936 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:02,936 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,936 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:03,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:03,046 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:03,046 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542807765]
[2025-05-07 17:26:03,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542807765] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:03,046 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:03,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:03,046 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171966566]
[2025-05-07 17:26:03,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:03,046 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:03,046 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:03,047 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:03,047 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:03,047 INFO  L87              Difference]: Start difference. First operand 142 states and 174 transitions. Second operand  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 3 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:26:03,086 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:03,086 INFO  L93              Difference]: Finished difference Result 146 states and 178 transitions.
[2025-05-07 17:26:03,086 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:03,087 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 3 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21) Word has length 85
[2025-05-07 17:26:03,087 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:03,088 INFO  L225             Difference]: With dead ends: 146
[2025-05-07 17:26:03,088 INFO  L226             Difference]: Without dead ends: 146
[2025-05-07 17:26:03,088 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:03,088 INFO  L437           NwaCegarLoop]: 175 mSDtfsCounter, 1 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:03,089 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 858 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:03,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2025-05-07 17:26:03,095 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146.
[2025-05-07 17:26:03,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 146 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 58 states have internal predecessors, (58), 56 states have call successors, (59), 33 states have call predecessors, (59), 35 states have return successors, (61), 54 states have call predecessors, (61), 56 states have call successors, (61)
[2025-05-07 17:26:03,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 178 transitions.
[2025-05-07 17:26:03,096 INFO  L79                 Accepts]: Start accepts. Automaton has 146 states and 178 transitions. Word has length 85
[2025-05-07 17:26:03,096 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:03,096 INFO  L485      AbstractCegarLoop]: Abstraction has 146 states and 178 transitions.
[2025-05-07 17:26:03,097 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 3 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21)
[2025-05-07 17:26:03,097 INFO  L278                IsEmpty]: Start isEmpty. Operand 146 states and 178 transitions.
[2025-05-07 17:26:03,098 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2025-05-07 17:26:03,098 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:03,098 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:03,098 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:26:03,098 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:03,098 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:03,098 INFO  L85        PathProgramCache]: Analyzing trace with hash -1378512609, now seen corresponding path program 1 times
[2025-05-07 17:26:03,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:03,099 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859436715]
[2025-05-07 17:26:03,099 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:03,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:03,137 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes.
[2025-05-07 17:26:03,152 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements.
[2025-05-07 17:26:03,152 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:03,152 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:03,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:03,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:03,327 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859436715]
[2025-05-07 17:26:03,327 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859436715] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:03,327 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:03,327 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-05-07 17:26:03,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954638641]
[2025-05-07 17:26:03,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:03,328 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-05-07 17:26:03,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:03,328 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-05-07 17:26:03,328 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:26:03,328 INFO  L87              Difference]: Start difference. First operand 146 states and 178 transitions. Second operand  has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 3 states have call successors, (28)
[2025-05-07 17:26:03,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:03,487 INFO  L93              Difference]: Finished difference Result 156 states and 192 transitions.
[2025-05-07 17:26:03,488 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-05-07 17:26:03,488 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 3 states have call successors, (28) Word has length 110
[2025-05-07 17:26:03,489 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:03,490 INFO  L225             Difference]: With dead ends: 156
[2025-05-07 17:26:03,490 INFO  L226             Difference]: Without dead ends: 156
[2025-05-07 17:26:03,490 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:26:03,491 INFO  L437           NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:03,491 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1514 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:03,492 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2025-05-07 17:26:03,500 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154.
[2025-05-07 17:26:03,500 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 154 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 62 states have internal predecessors, (62), 56 states have call successors, (59), 33 states have call predecessors, (59), 39 states have return successors, (69), 58 states have call predecessors, (69), 56 states have call successors, (69)
[2025-05-07 17:26:03,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 190 transitions.
[2025-05-07 17:26:03,502 INFO  L79                 Accepts]: Start accepts. Automaton has 154 states and 190 transitions. Word has length 110
[2025-05-07 17:26:03,502 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:03,502 INFO  L485      AbstractCegarLoop]: Abstraction has 154 states and 190 transitions.
[2025-05-07 17:26:03,502 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 3 states have call successors, (28)
[2025-05-07 17:26:03,502 INFO  L278                IsEmpty]: Start isEmpty. Operand 154 states and 190 transitions.
[2025-05-07 17:26:03,503 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2025-05-07 17:26:03,503 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:03,504 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:03,504 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:26:03,504 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:03,504 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:03,504 INFO  L85        PathProgramCache]: Analyzing trace with hash 1051151138, now seen corresponding path program 1 times
[2025-05-07 17:26:03,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:03,504 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141876169]
[2025-05-07 17:26:03,504 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:03,504 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:03,536 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes.
[2025-05-07 17:26:03,549 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements.
[2025-05-07 17:26:03,549 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:03,549 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:03,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:03,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:03,913 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141876169]
[2025-05-07 17:26:03,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141876169] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:03,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:03,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:26:03,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675025262]
[2025-05-07 17:26:03,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:03,914 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:03,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:03,915 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:03,915 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:26:03,915 INFO  L87              Difference]: Start difference. First operand 154 states and 190 transitions. Second operand  has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 4 states have call successors, (28)
[2025-05-07 17:26:04,082 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:04,082 INFO  L93              Difference]: Finished difference Result 156 states and 190 transitions.
[2025-05-07 17:26:04,083 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:04,083 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 4 states have call successors, (28) Word has length 110
[2025-05-07 17:26:04,083 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:04,085 INFO  L225             Difference]: With dead ends: 156
[2025-05-07 17:26:04,085 INFO  L226             Difference]: Without dead ends: 152
[2025-05-07 17:26:04,085 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:26:04,085 INFO  L437           NwaCegarLoop]: 172 mSDtfsCounter, 2 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1685 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:04,086 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1685 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:04,086 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2025-05-07 17:26:04,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150.
[2025-05-07 17:26:04,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 150 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 61 states have internal predecessors, (61), 52 states have call successors, (55), 33 states have call predecessors, (55), 39 states have return successors, (64), 55 states have call predecessors, (64), 52 states have call successors, (64)
[2025-05-07 17:26:04,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 180 transitions.
[2025-05-07 17:26:04,094 INFO  L79                 Accepts]: Start accepts. Automaton has 150 states and 180 transitions. Word has length 110
[2025-05-07 17:26:04,094 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:04,094 INFO  L485      AbstractCegarLoop]: Abstraction has 150 states and 180 transitions.
[2025-05-07 17:26:04,095 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 9 states have return successors, (28), 10 states have call predecessors, (28), 4 states have call successors, (28)
[2025-05-07 17:26:04,095 INFO  L278                IsEmpty]: Start isEmpty. Operand 150 states and 180 transitions.
[2025-05-07 17:26:04,096 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2025-05-07 17:26:04,096 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:04,096 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:04,096 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:26:04,097 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:04,097 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:04,097 INFO  L85        PathProgramCache]: Analyzing trace with hash -699896116, now seen corresponding path program 1 times
[2025-05-07 17:26:04,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:04,097 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479585148]
[2025-05-07 17:26:04,097 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:04,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:04,135 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes.
[2025-05-07 17:26:04,152 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements.
[2025-05-07 17:26:04,152 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:04,152 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:04,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2025-05-07 17:26:04,581 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:04,581 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479585148]
[2025-05-07 17:26:04,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479585148] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:04,581 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:04,581 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:26:04,581 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497896123]
[2025-05-07 17:26:04,581 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:04,581 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:04,581 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:04,582 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:04,582 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:26:04,582 INFO  L87              Difference]: Start difference. First operand 150 states and 180 transitions. Second operand  has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (32), 1 states have call predecessors, (32), 9 states have return successors, (36), 10 states have call predecessors, (36), 4 states have call successors, (36)
[2025-05-07 17:26:04,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:04,691 INFO  L93              Difference]: Finished difference Result 154 states and 185 transitions.
[2025-05-07 17:26:04,692 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:04,692 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (32), 1 states have call predecessors, (32), 9 states have return successors, (36), 10 states have call predecessors, (36), 4 states have call successors, (36) Word has length 138
[2025-05-07 17:26:04,692 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:04,693 INFO  L225             Difference]: With dead ends: 154
[2025-05-07 17:26:04,693 INFO  L226             Difference]: Without dead ends: 154
[2025-05-07 17:26:04,694 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:26:04,694 INFO  L437           NwaCegarLoop]: 156 mSDtfsCounter, 2 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:04,694 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1538 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:04,695 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2025-05-07 17:26:04,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152.
[2025-05-07 17:26:04,701 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 152 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 62 states have internal predecessors, (62), 52 states have call successors, (55), 33 states have call predecessors, (55), 40 states have return successors, (66), 56 states have call predecessors, (66), 52 states have call successors, (66)
[2025-05-07 17:26:04,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions.
[2025-05-07 17:26:04,702 INFO  L79                 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 138
[2025-05-07 17:26:04,703 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:04,703 INFO  L485      AbstractCegarLoop]: Abstraction has 152 states and 183 transitions.
[2025-05-07 17:26:04,703 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (32), 1 states have call predecessors, (32), 9 states have return successors, (36), 10 states have call predecessors, (36), 4 states have call successors, (36)
[2025-05-07 17:26:04,703 INFO  L278                IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions.
[2025-05-07 17:26:04,704 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2025-05-07 17:26:04,705 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:04,705 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:04,705 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:26:04,705 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:04,705 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:04,705 INFO  L85        PathProgramCache]: Analyzing trace with hash 1729767631, now seen corresponding path program 1 times
[2025-05-07 17:26:04,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:04,706 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046262440]
[2025-05-07 17:26:04,706 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:04,706 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:04,749 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes.
[2025-05-07 17:26:04,765 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements.
[2025-05-07 17:26:04,765 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:04,765 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:04,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2025-05-07 17:26:04,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:04,951 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046262440]
[2025-05-07 17:26:04,951 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046262440] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:04,951 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:04,951 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-05-07 17:26:04,951 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314591015]
[2025-05-07 17:26:04,951 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:04,952 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-05-07 17:26:04,952 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:04,952 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-05-07 17:26:04,952 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:26:04,952 INFO  L87              Difference]: Start difference. First operand 152 states and 183 transitions. Second operand  has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (36), 10 states have call predecessors, (36), 3 states have call successors, (36)
[2025-05-07 17:26:05,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:05,055 INFO  L93              Difference]: Finished difference Result 152 states and 182 transitions.
[2025-05-07 17:26:05,055 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-05-07 17:26:05,055 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (36), 10 states have call predecessors, (36), 3 states have call successors, (36) Word has length 138
[2025-05-07 17:26:05,056 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:05,056 INFO  L225             Difference]: With dead ends: 152
[2025-05-07 17:26:05,056 INFO  L226             Difference]: Without dead ends: 147
[2025-05-07 17:26:05,056 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:26:05,057 INFO  L437           NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:05,057 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1376 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:05,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2025-05-07 17:26:05,061 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137.
[2025-05-07 17:26:05,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 137 states, 54 states have (on average 1.037037037037037) internal successors, (56), 56 states have internal predecessors, (56), 47 states have call successors, (50), 33 states have call predecessors, (50), 35 states have return successors, (52), 47 states have call predecessors, (52), 47 states have call successors, (52)
[2025-05-07 17:26:05,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions.
[2025-05-07 17:26:05,062 INFO  L79                 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 138
[2025-05-07 17:26:05,063 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:05,063 INFO  L485      AbstractCegarLoop]: Abstraction has 137 states and 158 transitions.
[2025-05-07 17:26:05,063 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (36), 10 states have call predecessors, (36), 3 states have call successors, (36)
[2025-05-07 17:26:05,063 INFO  L278                IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions.
[2025-05-07 17:26:05,064 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2025-05-07 17:26:05,064 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:05,064 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:05,064 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:26:05,064 INFO  L403      AbstractCegarLoop]: === Iteration 10 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:05,065 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:05,065 INFO  L85        PathProgramCache]: Analyzing trace with hash -1935260253, now seen corresponding path program 1 times
[2025-05-07 17:26:05,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:05,065 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592528170]
[2025-05-07 17:26:05,065 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:05,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:05,111 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:05,129 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:05,130 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:05,130 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:05,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2025-05-07 17:26:05,557 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:05,558 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592528170]
[2025-05-07 17:26:05,558 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592528170] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:05,558 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:05,558 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:26:05,558 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406892906]
[2025-05-07 17:26:05,558 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:05,558 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:05,558 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:05,559 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:05,559 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:26:05,559 INFO  L87              Difference]: Start difference. First operand 137 states and 158 transitions. Second operand  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 4 states have call successors, (37)
[2025-05-07 17:26:05,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:05,668 INFO  L93              Difference]: Finished difference Result 145 states and 168 transitions.
[2025-05-07 17:26:05,668 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:05,668 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 4 states have call successors, (37) Word has length 141
[2025-05-07 17:26:05,668 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:05,669 INFO  L225             Difference]: With dead ends: 145
[2025-05-07 17:26:05,669 INFO  L226             Difference]: Without dead ends: 145
[2025-05-07 17:26:05,669 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:26:05,669 INFO  L437           NwaCegarLoop]: 154 mSDtfsCounter, 2 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:05,670 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1510 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:05,670 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2025-05-07 17:26:05,673 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2025-05-07 17:26:05,673 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (50), 33 states have call predecessors, (50), 39 states have return successors, (58), 51 states have call predecessors, (58), 47 states have call successors, (58)
[2025-05-07 17:26:05,674 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions.
[2025-05-07 17:26:05,674 INFO  L79                 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 141
[2025-05-07 17:26:05,674 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:05,674 INFO  L485      AbstractCegarLoop]: Abstraction has 145 states and 168 transitions.
[2025-05-07 17:26:05,674 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 4 states have call successors, (37)
[2025-05-07 17:26:05,674 INFO  L278                IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions.
[2025-05-07 17:26:05,675 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2025-05-07 17:26:05,676 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:05,676 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:05,676 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-05-07 17:26:05,676 INFO  L403      AbstractCegarLoop]: === Iteration 11 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:05,676 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:05,676 INFO  L85        PathProgramCache]: Analyzing trace with hash -379912096, now seen corresponding path program 1 times
[2025-05-07 17:26:05,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:05,676 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284482813]
[2025-05-07 17:26:05,676 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:05,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:05,719 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:05,736 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:05,736 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:05,736 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:05,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2025-05-07 17:26:05,860 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:05,860 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284482813]
[2025-05-07 17:26:05,860 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284482813] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:05,860 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:05,860 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:05,860 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324417518]
[2025-05-07 17:26:05,860 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:05,860 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:05,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:05,861 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:05,861 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:05,861 INFO  L87              Difference]: Start difference. First operand 145 states and 168 transitions. Second operand  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33)
[2025-05-07 17:26:05,894 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:05,894 INFO  L93              Difference]: Finished difference Result 149 states and 172 transitions.
[2025-05-07 17:26:05,894 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:05,894 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33) Word has length 141
[2025-05-07 17:26:05,895 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:05,895 INFO  L225             Difference]: With dead ends: 149
[2025-05-07 17:26:05,895 INFO  L226             Difference]: Without dead ends: 149
[2025-05-07 17:26:05,895 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:05,896 INFO  L437           NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:05,896 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 758 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:05,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2025-05-07 17:26:05,899 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145.
[2025-05-07 17:26:05,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (50), 33 states have call predecessors, (50), 39 states have return successors, (58), 51 states have call predecessors, (58), 47 states have call successors, (58)
[2025-05-07 17:26:05,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions.
[2025-05-07 17:26:05,900 INFO  L79                 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 141
[2025-05-07 17:26:05,901 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:05,901 INFO  L485      AbstractCegarLoop]: Abstraction has 145 states and 168 transitions.
[2025-05-07 17:26:05,901 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33)
[2025-05-07 17:26:05,901 INFO  L278                IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions.
[2025-05-07 17:26:05,902 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2025-05-07 17:26:05,902 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:05,902 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:05,902 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-05-07 17:26:05,902 INFO  L403      AbstractCegarLoop]: === Iteration 12 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:05,902 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:05,902 INFO  L85        PathProgramCache]: Analyzing trace with hash 1243428811, now seen corresponding path program 1 times
[2025-05-07 17:26:05,902 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:05,902 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957803242]
[2025-05-07 17:26:05,902 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:05,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:05,938 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes.
[2025-05-07 17:26:05,947 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements.
[2025-05-07 17:26:05,947 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:05,947 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:06,256 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,256 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957803242]
[2025-05-07 17:26:06,256 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957803242] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,256 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,256 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:26:06,256 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173532500]
[2025-05-07 17:26:06,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,257 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:06,257 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,257 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:06,257 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:26:06,257 INFO  L87              Difference]: Start difference. First operand 145 states and 168 transitions. Second operand  has 11 states, 9 states have (on average 4.777777777777778) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (29), 1 states have call predecessors, (29), 9 states have return successors, (29), 9 states have call predecessors, (29), 5 states have call successors, (29)
[2025-05-07 17:26:06,360 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,360 INFO  L93              Difference]: Finished difference Result 145 states and 167 transitions.
[2025-05-07 17:26:06,361 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:06,361 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 4.777777777777778) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (29), 1 states have call predecessors, (29), 9 states have return successors, (29), 9 states have call predecessors, (29), 5 states have call successors, (29) Word has length 113
[2025-05-07 17:26:06,361 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,362 INFO  L225             Difference]: With dead ends: 145
[2025-05-07 17:26:06,362 INFO  L226             Difference]: Without dead ends: 145
[2025-05-07 17:26:06,363 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:26:06,363 INFO  L437           NwaCegarLoop]: 154 mSDtfsCounter, 2 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:06,363 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1511 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:06,364 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2025-05-07 17:26:06,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2025-05-07 17:26:06,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (50), 33 states have call predecessors, (50), 39 states have return successors, (57), 51 states have call predecessors, (57), 47 states have call successors, (57)
[2025-05-07 17:26:06,371 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions.
[2025-05-07 17:26:06,371 INFO  L79                 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 113
[2025-05-07 17:26:06,371 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,371 INFO  L485      AbstractCegarLoop]: Abstraction has 145 states and 167 transitions.
[2025-05-07 17:26:06,371 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 4.777777777777778) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (29), 1 states have call predecessors, (29), 9 states have return successors, (29), 9 states have call predecessors, (29), 5 states have call successors, (29)
[2025-05-07 17:26:06,371 INFO  L278                IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions.
[2025-05-07 17:26:06,373 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2025-05-07 17:26:06,373 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:06,373 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:06,373 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-05-07 17:26:06,373 INFO  L403      AbstractCegarLoop]: === Iteration 13 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:06,373 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:06,373 INFO  L85        PathProgramCache]: Analyzing trace with hash -969280082, now seen corresponding path program 1 times
[2025-05-07 17:26:06,374 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:06,374 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169378287]
[2025-05-07 17:26:06,374 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:06,374 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:06,420 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes.
[2025-05-07 17:26:06,439 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements.
[2025-05-07 17:26:06,439 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:06,439 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2025-05-07 17:26:06,550 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,550 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169378287]
[2025-05-07 17:26:06,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169378287] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,550 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,550 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:06,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313989196]
[2025-05-07 17:26:06,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,551 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:06,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:06,552 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:06,552 INFO  L87              Difference]: Start difference. First operand 145 states and 167 transitions. Second operand  has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (29), 1 states have call predecessors, (29), 5 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29)
[2025-05-07 17:26:06,584 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,584 INFO  L93              Difference]: Finished difference Result 149 states and 171 transitions.
[2025-05-07 17:26:06,585 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:06,585 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (29), 1 states have call predecessors, (29), 5 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) Word has length 113
[2025-05-07 17:26:06,585 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,586 INFO  L225             Difference]: With dead ends: 149
[2025-05-07 17:26:06,586 INFO  L226             Difference]: Without dead ends: 149
[2025-05-07 17:26:06,586 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:06,587 INFO  L437           NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:06,587 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 759 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:06,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2025-05-07 17:26:06,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145.
[2025-05-07 17:26:06,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (50), 33 states have call predecessors, (50), 39 states have return successors, (57), 51 states have call predecessors, (57), 47 states have call successors, (57)
[2025-05-07 17:26:06,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions.
[2025-05-07 17:26:06,592 INFO  L79                 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 113
[2025-05-07 17:26:06,592 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,592 INFO  L485      AbstractCegarLoop]: Abstraction has 145 states and 167 transitions.
[2025-05-07 17:26:06,592 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (29), 1 states have call predecessors, (29), 5 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29)
[2025-05-07 17:26:06,592 INFO  L278                IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions.
[2025-05-07 17:26:06,593 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2025-05-07 17:26:06,593 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:06,593 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:06,594 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-05-07 17:26:06,594 INFO  L403      AbstractCegarLoop]: === Iteration 14 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:06,594 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:06,594 INFO  L85        PathProgramCache]: Analyzing trace with hash 2023411751, now seen corresponding path program 1 times
[2025-05-07 17:26:06,594 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:06,594 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087420941]
[2025-05-07 17:26:06,594 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:06,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:06,641 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:06,649 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:06,649 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:06,649 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:07,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2025-05-07 17:26:07,024 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:07,024 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087420941]
[2025-05-07 17:26:07,024 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087420941] provided 0 perfect and 1 imperfect interpolant sequences
[2025-05-07 17:26:07,025 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745329247]
[2025-05-07 17:26:07,025 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:07,025 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-05-07 17:26:07,026 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:07,028 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-05-07 17:26:07,029 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-05-07 17:26:07,375 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:07,554 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:07,554 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:07,554 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:07,561 INFO  L256         TraceCheckSpWp]: Trace formula consists of 2209 conjuncts, 13 conjuncts are in the unsatisfiable core
[2025-05-07 17:26:07,568 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-05-07 17:26:07,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:07,688 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-05-07 17:26:07,688 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [745329247] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:07,688 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-05-07 17:26:07,688 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 13
[2025-05-07 17:26:07,688 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790156844]
[2025-05-07 17:26:07,688 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:07,689 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:07,689 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:07,689 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:07,689 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156
[2025-05-07 17:26:07,690 INFO  L87              Difference]: Start difference. First operand 145 states and 167 transitions. Second operand  has 11 states, 9 states have (on average 6.777777777777778) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (40), 2 states have call predecessors, (40), 9 states have return successors, (40), 10 states have call predecessors, (40), 5 states have call successors, (40)
[2025-05-07 17:26:07,793 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:07,793 INFO  L93              Difference]: Finished difference Result 147 states and 169 transitions.
[2025-05-07 17:26:07,793 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:07,794 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 6.777777777777778) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (40), 2 states have call predecessors, (40), 9 states have return successors, (40), 10 states have call predecessors, (40), 5 states have call successors, (40) Word has length 141
[2025-05-07 17:26:07,794 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:07,795 INFO  L225             Difference]: With dead ends: 147
[2025-05-07 17:26:07,795 INFO  L226             Difference]: Without dead ends: 147
[2025-05-07 17:26:07,795 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:26:07,796 INFO  L437           NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:07,796 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1438 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:07,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2025-05-07 17:26:07,801 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2025-05-07 17:26:07,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 147 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 61 states have internal predecessors, (61), 47 states have call successors, (50), 33 states have call predecessors, (50), 40 states have return successors, (58), 52 states have call predecessors, (58), 47 states have call successors, (58)
[2025-05-07 17:26:07,802 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 169 transitions.
[2025-05-07 17:26:07,802 INFO  L79                 Accepts]: Start accepts. Automaton has 147 states and 169 transitions. Word has length 141
[2025-05-07 17:26:07,803 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:07,803 INFO  L485      AbstractCegarLoop]: Abstraction has 147 states and 169 transitions.
[2025-05-07 17:26:07,803 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 6.777777777777778) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (40), 2 states have call predecessors, (40), 9 states have return successors, (40), 10 states have call predecessors, (40), 5 states have call successors, (40)
[2025-05-07 17:26:07,803 INFO  L278                IsEmpty]: Start isEmpty. Operand 147 states and 169 transitions.
[2025-05-07 17:26:07,804 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2025-05-07 17:26:07,805 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:07,805 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:07,814 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-05-07 17:26:08,006 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2025-05-07 17:26:08,007 INFO  L403      AbstractCegarLoop]: === Iteration 15 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:08,007 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:08,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 877295149, now seen corresponding path program 1 times
[2025-05-07 17:26:08,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:08,008 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175334032]
[2025-05-07 17:26:08,009 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:08,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:08,129 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:08,143 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:08,144 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:08,144 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:08,497 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2025-05-07 17:26:08,497 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:08,497 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175334032]
[2025-05-07 17:26:08,497 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175334032] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:08,497 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:08,497 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:26:08,497 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794068]
[2025-05-07 17:26:08,497 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:08,497 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:26:08,497 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:08,497 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:26:08,498 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:26:08,498 INFO  L87              Difference]: Start difference. First operand 147 states and 169 transitions. Second operand  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 5 states have call successors, (37)
[2025-05-07 17:26:08,584 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:08,584 INFO  L93              Difference]: Finished difference Result 147 states and 168 transitions.
[2025-05-07 17:26:08,584 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:26:08,585 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 5 states have call successors, (37) Word has length 141
[2025-05-07 17:26:08,585 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:08,586 INFO  L225             Difference]: With dead ends: 147
[2025-05-07 17:26:08,586 INFO  L226             Difference]: Without dead ends: 145
[2025-05-07 17:26:08,586 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:26:08,587 INFO  L437           NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:08,587 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1437 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:08,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2025-05-07 17:26:08,590 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2025-05-07 17:26:08,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (50), 33 states have call predecessors, (50), 39 states have return successors, (56), 51 states have call predecessors, (56), 47 states have call successors, (56)
[2025-05-07 17:26:08,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 166 transitions.
[2025-05-07 17:26:08,591 INFO  L79                 Accepts]: Start accepts. Automaton has 145 states and 166 transitions. Word has length 141
[2025-05-07 17:26:08,591 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:08,591 INFO  L485      AbstractCegarLoop]: Abstraction has 145 states and 166 transitions.
[2025-05-07 17:26:08,591 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 5.777777777777778) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (37), 10 states have call predecessors, (37), 5 states have call successors, (37)
[2025-05-07 17:26:08,591 INFO  L278                IsEmpty]: Start isEmpty. Operand 145 states and 166 transitions.
[2025-05-07 17:26:08,592 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2025-05-07 17:26:08,592 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:08,592 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:08,592 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2025-05-07 17:26:08,592 INFO  L403      AbstractCegarLoop]: === Iteration 16 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:08,592 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:08,592 INFO  L85        PathProgramCache]: Analyzing trace with hash 1687816682, now seen corresponding path program 1 times
[2025-05-07 17:26:08,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:08,592 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939397813]
[2025-05-07 17:26:08,592 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:08,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:08,632 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes.
[2025-05-07 17:26:08,644 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements.
[2025-05-07 17:26:08,644 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:08,644 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:08,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2025-05-07 17:26:08,733 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:08,733 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939397813]
[2025-05-07 17:26:08,733 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939397813] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:08,733 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:08,733 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:08,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013758603]
[2025-05-07 17:26:08,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:08,734 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:08,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:08,734 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:08,734 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:08,734 INFO  L87              Difference]: Start difference. First operand 145 states and 166 transitions. Second operand  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33)
[2025-05-07 17:26:08,756 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:08,756 INFO  L93              Difference]: Finished difference Result 139 states and 160 transitions.
[2025-05-07 17:26:08,756 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:08,757 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33) Word has length 141
[2025-05-07 17:26:08,757 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:08,757 INFO  L225             Difference]: With dead ends: 139
[2025-05-07 17:26:08,757 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:08,757 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:08,758 INFO  L437           NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:08,758 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 730 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:08,758 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:08,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:08,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:26:08,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:08,759 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141
[2025-05-07 17:26:08,759 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:08,759 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:08,759 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 3 states have call successors, (33)
[2025-05-07 17:26:08,759 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:08,759 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:08,762 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:08,762 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2025-05-07 17:26:08,765 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:08,767 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:08,770 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:08 BoogieIcfgContainer
[2025-05-07 17:26:08,770 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:08,771 INFO  L158              Benchmark]: Toolchain (without parser) took 8592.58ms. Allocated memory was 234.9MB in the beginning and 436.2MB in the end (delta: 201.3MB). Free memory was 128.4MB in the beginning and 338.9MB in the end (delta: -210.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:08,771 INFO  L158              Benchmark]: SmtParser took 0.22ms. Allocated memory is still 234.9MB. Free memory is still 172.6MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:08,771 INFO  L158              Benchmark]: ChcToBoogie took 41.74ms. Allocated memory is still 234.9MB. Free memory was 128.4MB in the beginning and 123.6MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:08,772 INFO  L158              Benchmark]: Boogie Preprocessor took 76.40ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 123.5MB in the beginning and 277.8MB in the end (delta: -154.2MB). Peak memory consumption was 24.5MB. Max. memory is 33.6GB.
[2025-05-07 17:26:08,772 INFO  L158              Benchmark]: RCFGBuilder took 599.67ms. Allocated memory is still 318.8MB. Free memory was 277.7MB in the beginning and 207.1MB in the end (delta: 70.6MB). Peak memory consumption was 67.1MB. Max. memory is 33.6GB.
[2025-05-07 17:26:08,772 INFO  L158              Benchmark]: TraceAbstraction took 7870.95ms. Allocated memory was 318.8MB in the beginning and 436.2MB in the end (delta: 117.4MB). Free memory was 206.7MB in the beginning and 338.9MB in the end (delta: -132.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:08,773 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.22ms. Allocated memory is still 234.9MB. Free memory is still 172.6MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 41.74ms. Allocated memory is still 234.9MB. Free memory was 128.4MB in the beginning and 123.6MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 76.40ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 123.5MB in the beginning and 277.8MB in the end (delta: -154.2MB). Peak memory consumption was 24.5MB. Max. memory is 33.6GB.
 * RCFGBuilder took 599.67ms. Allocated memory is still 318.8MB. Free memory was 277.7MB in the beginning and 207.1MB in the end (delta: 70.6MB). Peak memory consumption was 67.1MB. Max. memory is 33.6GB.
 * TraceAbstraction took 7870.95ms. Allocated memory was 318.8MB in the beginning and 436.2MB in the end (delta: 117.4MB). Free memory was 206.7MB in the beginning and 338.9MB in the end (delta: -132.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 35 procedures, 156 locations, 270 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 18959 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16353 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1139 IncrementalHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2606 mSDtfsCounter, 1139 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 30 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1953 NumberOfCodeBlocks, 1953 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1936 ConstructedInterpolants, 0 QuantifiedInterpolants, 2462 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2209 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 358/372 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:26:08,786 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
