./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_inside_modifiers_1.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:10,653 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:10,690 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e6d2a5-d641-4b6f-bf3e-842404387235/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:10,693 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:10,693 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:10,706 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:10,706 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:10,707 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:10,707 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:10,707 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:10,707 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:10,707 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:10,707 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:10,707 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:10,707 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:10,708 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:10,708 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:10,708 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:10,708 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:10,708 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:10,708 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:10,708 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:10,709 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:10,709 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:10,709 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:10,709 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:10,709 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:10,895 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:10,901 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:10,903 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:10,903 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:10,904 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:10,905 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e6d2a5-d641-4b6f-bf3e-842404387235/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_inside_modifiers_1.sol_0_no_adts_000.smt2
[2025-05-07 17:27:10,906 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:10,908 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:11,142 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e6d2a5-d641-4b6f-bf3e-842404387235/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_inside_modifiers_1.sol_0_no_adts_000.smt2
[2025-05-07 17:27:11,145 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:11,146 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:11,147 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:11,147 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:11,147 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:11,150 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,193 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11 Unit
[2025-05-07 17:27:11,193 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:11,194 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:11,195 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:11,195 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:11,211 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,211 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,240 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,240 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,246 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,247 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,249 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,252 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,253 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,267 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:11,267 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:11,267 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:11,267 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:11,268 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (1/1) ...
[2025-05-07 17:27:11,270 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:11,283 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:11,294 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 17:27:11,297 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 17:27:11,307 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:11,308 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:11,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:11,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:27:11,308 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:27:11,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:27:11,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_67_0 given in one single declaration
[2025-05-07 17:27:11,308 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_67_0
[2025-05-07 17:27:11,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_67_0
[2025-05-07 17:27:11,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_67_0 given in one single declaration
[2025-05-07 17:27:11,308 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_67_0
[2025-05-07 17:27:11,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_67_0
[2025-05-07 17:27:11,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_26_C_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_26_C_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_26_C_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_23_C_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_23_C_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_23_C_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_25_C_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_25_C_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_25_C_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_24_C_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_24_C_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_24_C_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__66_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__66_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_g__66_67_0
[2025-05-07 17:27:11,309 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_g__66_67_0
[2025-05-07 17:27:11,309 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,309 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,310 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_g_65_67_0 given in one single declaration
[2025-05-07 17:27:11,310 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_g_65_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_g_65_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,310 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__66_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_19_function_f__43_67_0 given in one single declaration
[2025-05-07 17:27:11,310 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_19_function_f__43_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_19_function_f__43_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__43_67_0 given in one single declaration
[2025-05-07 17:27:11,310 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__43_67_0
[2025-05-07 17:27:11,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__43_67_0
[2025-05-07 17:27:11,310 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_f_32_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_f_32_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_f_32_67_0
[2025-05-07 17:27:11,311 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_f_42_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_f_42_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_f_42_67_0
[2025-05-07 17:27:11,311 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_if_header_f_30_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_if_header_f_30_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_if_header_f_30_67_0
[2025-05-07 17:27:11,311 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_return_function_f__43_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_return_function_f__43_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_return_function_f__43_67_0
[2025-05-07 17:27:11,311 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_42_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_42_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_42_67_0
[2025-05-07 17:27:11,311 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_header_f_19_67_0 given in one single declaration
[2025-05-07 17:27:11,311 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_header_f_19_67_0
[2025-05-07 17:27:11,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_header_f_19_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_42_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_42_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_42_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__43_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__43_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__43_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_if_true_f_18_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_if_true_f_18_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_if_true_f_18_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_if_true_f_29_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_if_true_f_29_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_if_true_f_29_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_return_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_return_function_g__66_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_return_function_g__66_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__66_67_0 given in one single declaration
[2025-05-07 17:27:11,312 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__66_67_0
[2025-05-07 17:27:11,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__66_67_0
[2025-05-07 17:27:11,312 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:11,313 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:11,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:11,467 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:11,469 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:11,688 INFO  L?                        ?]: Removed 191 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:11,688 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:11,697 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:11,697 INFO  L312             CfgBuilder]: Removed 13 assume(true) statements.
[2025-05-07 17:27:11,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:11 BoogieIcfgContainer
[2025-05-07 17:27:11,698 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:11,699 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:11,699 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:11,702 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:11,702 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:11" (1/3) ...
[2025-05-07 17:27:11,702 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fe3a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:11, skipping insertion in model container
[2025-05-07 17:27:11,702 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:11" (2/3) ...
[2025-05-07 17:27:11,703 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fe3a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:11, skipping insertion in model container
[2025-05-07 17:27:11,703 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:11" (3/3) ...
[2025-05-07 17:27:11,704 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:11,714 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:11,716 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 29 procedures, 115 locations, 173 edges, 29 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:27:11,745 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:11,753 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;@666b77b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:11,754 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:11,757 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 115 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 53 states have internal predecessors, (53), 38 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (40), 33 states have call predecessors, (40), 38 states have call successors, (40)
[2025-05-07 17:27:11,764 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2025-05-07 17:27:11,764 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:11,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:11,765 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:11,769 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:11,769 INFO  L85        PathProgramCache]: Analyzing trace with hash 1602823811, now seen corresponding path program 1 times
[2025-05-07 17:27:11,774 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:11,774 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069292755]
[2025-05-07 17:27:11,775 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:11,775 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:11,838 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes.
[2025-05-07 17:27:11,895 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements.
[2025-05-07 17:27:11,895 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:11,895 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:12,230 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 17:27:12,230 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:12,231 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069292755]
[2025-05-07 17:27:12,231 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069292755] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:12,231 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:12,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:12,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659017514]
[2025-05-07 17:27:12,235 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:12,238 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:12,238 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:12,266 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:12,267 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:12,269 INFO  L87              Difference]: Start difference. First operand  has 115 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 53 states have internal predecessors, (53), 38 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (40), 33 states have call predecessors, (40), 38 states have call successors, (40) Second operand  has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:27:12,324 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:12,325 INFO  L93              Difference]: Finished difference Result 113 states and 130 transitions.
[2025-05-07 17:27:12,326 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:12,327 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 86
[2025-05-07 17:27:12,328 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:12,335 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:27:12,335 INFO  L226             Difference]: Without dead ends: 112
[2025-05-07 17:27:12,337 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 17:27:12,340 INFO  L437           NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:12,340 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 380 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:12,353 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2025-05-07 17:27:12,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112.
[2025-05-07 17:27:12,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 50 states have internal predecessors, (50), 37 states have call successors, (39), 28 states have call predecessors, (39), 28 states have return successors, (39), 33 states have call predecessors, (39), 37 states have call successors, (39)
[2025-05-07 17:27:12,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions.
[2025-05-07 17:27:12,374 INFO  L79                 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 86
[2025-05-07 17:27:12,375 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:12,375 INFO  L485      AbstractCegarLoop]: Abstraction has 112 states and 128 transitions.
[2025-05-07 17:27:12,376 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:27:12,376 INFO  L278                IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions.
[2025-05-07 17:27:12,377 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2025-05-07 17:27:12,378 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:12,378 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, 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 17:27:12,378 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:12,378 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:12,378 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:12,378 INFO  L85        PathProgramCache]: Analyzing trace with hash -1775423687, now seen corresponding path program 1 times
[2025-05-07 17:27:12,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:12,379 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34137240]
[2025-05-07 17:27:12,379 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:12,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:12,417 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-05-07 17:27:12,433 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-05-07 17:27:12,433 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:12,433 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:12,664 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 17:27:12,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:12,665 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34137240]
[2025-05-07 17:27:12,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34137240] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:12,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:12,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:27:12,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864420650]
[2025-05-07 17:27:12,665 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:12,666 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:27:12,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:12,667 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:27:12,667 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:27:12,667 INFO  L87              Difference]: Start difference. First operand 112 states and 128 transitions. Second operand  has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:27:12,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:12,729 INFO  L93              Difference]: Finished difference Result 112 states and 127 transitions.
[2025-05-07 17:27:12,729 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:27:12,729 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 90
[2025-05-07 17:27:12,730 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:12,731 INFO  L225             Difference]: With dead ends: 112
[2025-05-07 17:27:12,731 INFO  L226             Difference]: Without dead ends: 111
[2025-05-07 17:27:12,731 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 17:27:12,732 INFO  L437           NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:12,732 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 725 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:12,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2025-05-07 17:27:12,739 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2025-05-07 17:27:12,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 49 states have internal predecessors, (49), 36 states have call successors, (38), 28 states have call predecessors, (38), 28 states have return successors, (38), 33 states have call predecessors, (38), 36 states have call successors, (38)
[2025-05-07 17:27:12,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions.
[2025-05-07 17:27:12,741 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 90
[2025-05-07 17:27:12,742 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:12,742 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 125 transitions.
[2025-05-07 17:27:12,742 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:27:12,742 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions.
[2025-05-07 17:27:12,744 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2025-05-07 17:27:12,744 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:12,744 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, 1, 1, 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 17:27:12,744 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:12,744 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:12,745 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:12,745 INFO  L85        PathProgramCache]: Analyzing trace with hash -2014181737, now seen corresponding path program 1 times
[2025-05-07 17:27:12,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:12,745 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207121733]
[2025-05-07 17:27:12,745 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:12,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:12,784 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-05-07 17:27:12,815 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-05-07 17:27:12,815 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:12,815 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:13,413 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 17:27:13,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:13,413 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207121733]
[2025-05-07 17:27:13,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207121733] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:13,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:13,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2025-05-07 17:27:13,414 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913678552]
[2025-05-07 17:27:13,414 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:13,414 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2025-05-07 17:27:13,414 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:13,415 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2025-05-07 17:27:13,415 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:27:13,415 INFO  L87              Difference]: Start difference. First operand 111 states and 125 transitions. Second operand  has 15 states, 12 states have (on average 3.5) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (26), 1 states have call predecessors, (26), 12 states have return successors, (26), 13 states have call predecessors, (26), 6 states have call successors, (26)
[2025-05-07 17:27:13,596 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:13,597 INFO  L93              Difference]: Finished difference Result 109 states and 122 transitions.
[2025-05-07 17:27:13,597 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2025-05-07 17:27:13,597 INFO  L79                 Accepts]: Start accepts. Automaton has  has 15 states, 12 states have (on average 3.5) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (26), 1 states have call predecessors, (26), 12 states have return successors, (26), 13 states have call predecessors, (26), 6 states have call successors, (26) Word has length 94
[2025-05-07 17:27:13,598 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:13,598 INFO  L225             Difference]: With dead ends: 109
[2025-05-07 17:27:13,598 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:27:13,599 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:27:13,599 INFO  L437           NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:13,599 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1503 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:27:13,600 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:27:13,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2025-05-07 17:27:13,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 34 states have call successors, (35), 27 states have call predecessors, (35), 27 states have return successors, (35), 31 states have call predecessors, (35), 34 states have call successors, (35)
[2025-05-07 17:27:13,605 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions.
[2025-05-07 17:27:13,605 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 94
[2025-05-07 17:27:13,605 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:13,605 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 117 transitions.
[2025-05-07 17:27:13,605 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 12 states have (on average 3.5) internal successors, (42), 15 states have internal predecessors, (42), 6 states have call successors, (26), 1 states have call predecessors, (26), 12 states have return successors, (26), 13 states have call predecessors, (26), 6 states have call successors, (26)
[2025-05-07 17:27:13,605 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions.
[2025-05-07 17:27:13,606 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2025-05-07 17:27:13,606 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:13,606 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, 1, 1, 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 17:27:13,606 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:27:13,606 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:13,607 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:13,607 INFO  L85        PathProgramCache]: Analyzing trace with hash 1504280891, now seen corresponding path program 1 times
[2025-05-07 17:27:13,607 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:13,607 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153785823]
[2025-05-07 17:27:13,607 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:13,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:13,640 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-05-07 17:27:13,655 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-05-07 17:27:13,655 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:13,655 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:13,765 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 17:27:13,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:13,765 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153785823]
[2025-05-07 17:27:13,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153785823] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:13,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:13,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:27:13,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378787540]
[2025-05-07 17:27:13,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:13,766 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:27:13,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:13,767 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:27:13,767 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:27:13,767 INFO  L87              Difference]: Start difference. First operand 106 states and 117 transitions. Second operand  has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:13,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:13,792 INFO  L93              Difference]: Finished difference Result 110 states and 121 transitions.
[2025-05-07 17:27:13,793 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:27:13,793 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 94
[2025-05-07 17:27:13,793 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:13,794 INFO  L225             Difference]: With dead ends: 110
[2025-05-07 17:27:13,794 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:27:13,794 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:27:13,794 INFO  L437           NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:13,795 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 450 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:13,795 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:27:13,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104.
[2025-05-07 17:27:13,799 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 46 states have internal predecessors, (46), 32 states have call successors, (33), 27 states have call predecessors, (33), 27 states have return successors, (33), 30 states have call predecessors, (33), 32 states have call successors, (33)
[2025-05-07 17:27:13,800 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions.
[2025-05-07 17:27:13,800 INFO  L79                 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 94
[2025-05-07 17:27:13,800 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:13,800 INFO  L485      AbstractCegarLoop]: Abstraction has 104 states and 112 transitions.
[2025-05-07 17:27:13,800 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:13,800 INFO  L278                IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions.
[2025-05-07 17:27:13,801 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2025-05-07 17:27:13,801 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:13,801 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, 1, 1, 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 17:27:13,801 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:27:13,801 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:13,801 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:13,802 INFO  L85        PathProgramCache]: Analyzing trace with hash -2061556041, now seen corresponding path program 1 times
[2025-05-07 17:27:13,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:13,802 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600017999]
[2025-05-07 17:27:13,802 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:13,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:13,831 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-05-07 17:27:13,844 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-05-07 17:27:13,844 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:13,844 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:13,954 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 17:27:13,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:13,954 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600017999]
[2025-05-07 17:27:13,954 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600017999] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:13,954 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:13,954 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:13,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20645541]
[2025-05-07 17:27:13,954 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:13,955 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:13,955 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:13,956 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:13,956 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:13,956 INFO  L87              Difference]: Start difference. First operand 104 states and 112 transitions. Second operand  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:13,986 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:13,986 INFO  L93              Difference]: Finished difference Result 108 states and 116 transitions.
[2025-05-07 17:27:13,987 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:13,987 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) Word has length 94
[2025-05-07 17:27:13,987 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:13,988 INFO  L225             Difference]: With dead ends: 108
[2025-05-07 17:27:13,988 INFO  L226             Difference]: Without dead ends: 108
[2025-05-07 17:27:13,988 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 17:27:13,988 INFO  L437           NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:13,989 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 550 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:13,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2025-05-07 17:27:13,993 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108.
[2025-05-07 17:27:13,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 108 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 32 states have call successors, (33), 27 states have call predecessors, (33), 29 states have return successors, (35), 32 states have call predecessors, (35), 32 states have call successors, (35)
[2025-05-07 17:27:13,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions.
[2025-05-07 17:27:13,994 INFO  L79                 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 94
[2025-05-07 17:27:13,995 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:13,995 INFO  L485      AbstractCegarLoop]: Abstraction has 108 states and 116 transitions.
[2025-05-07 17:27:13,995 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:13,995 INFO  L278                IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions.
[2025-05-07 17:27:13,996 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2025-05-07 17:27:13,996 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:13,996 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, 1, 1, 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 17:27:13,996 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:27:13,997 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:13,997 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:13,997 INFO  L85        PathProgramCache]: Analyzing trace with hash 279546711, now seen corresponding path program 1 times
[2025-05-07 17:27:13,997 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:13,997 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932236857]
[2025-05-07 17:27:13,997 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:13,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:14,024 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-05-07 17:27:14,035 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-05-07 17:27:14,035 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:14,035 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:14,119 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 17:27:14,119 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:14,119 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932236857]
[2025-05-07 17:27:14,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932236857] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:14,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:14,120 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:14,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286730988]
[2025-05-07 17:27:14,120 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:14,120 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:14,121 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:14,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:14,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:14,121 INFO  L87              Difference]: Start difference. First operand 108 states and 116 transitions. Second operand  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:14,153 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:14,153 INFO  L93              Difference]: Finished difference Result 112 states and 120 transitions.
[2025-05-07 17:27:14,154 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:14,154 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) Word has length 94
[2025-05-07 17:27:14,154 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:14,155 INFO  L225             Difference]: With dead ends: 112
[2025-05-07 17:27:14,155 INFO  L226             Difference]: Without dead ends: 112
[2025-05-07 17:27:14,155 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 17:27:14,156 INFO  L437           NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:14,156 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 538 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:14,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2025-05-07 17:27:14,160 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108.
[2025-05-07 17:27:14,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 108 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 32 states have call successors, (33), 27 states have call predecessors, (33), 29 states have return successors, (35), 32 states have call predecessors, (35), 32 states have call successors, (35)
[2025-05-07 17:27:14,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions.
[2025-05-07 17:27:14,161 INFO  L79                 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 94
[2025-05-07 17:27:14,161 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:14,161 INFO  L485      AbstractCegarLoop]: Abstraction has 108 states and 116 transitions.
[2025-05-07 17:27:14,161 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 5 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26)
[2025-05-07 17:27:14,161 INFO  L278                IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions.
[2025-05-07 17:27:14,162 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:27:14,162 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:14,162 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, 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 17:27:14,162 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:27:14,163 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:14,163 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:14,163 INFO  L85        PathProgramCache]: Analyzing trace with hash 1597349617, now seen corresponding path program 1 times
[2025-05-07 17:27:14,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:14,163 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948931219]
[2025-05-07 17:27:14,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:14,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:14,192 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:27:14,205 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:27:14,205 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:14,205 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:14,439 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 17:27:14,440 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:14,440 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948931219]
[2025-05-07 17:27:14,440 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948931219] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:14,440 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:14,440 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:27:14,440 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496345750]
[2025-05-07 17:27:14,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:14,441 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:27:14,441 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:14,441 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:27:14,441 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:27:14,442 INFO  L87              Difference]: Start difference. First operand 108 states and 116 transitions. Second operand  has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (25), 13 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:27:14,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:14,574 INFO  L93              Difference]: Finished difference Result 73 states and 76 transitions.
[2025-05-07 17:27:14,574 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:27:14,574 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (25), 13 states have call predecessors, (25), 4 states have call successors, (25) Word has length 91
[2025-05-07 17:27:14,574 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:14,574 INFO  L225             Difference]: With dead ends: 73
[2025-05-07 17:27:14,574 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:14,575 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:27:14,575 INFO  L437           NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:14,575 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:14,575 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:14,576 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:14,576 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 17:27:14,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:14,576 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91
[2025-05-07 17:27:14,576 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:14,576 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:14,576 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (25), 13 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:27:14,576 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:14,576 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:14,578 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:14,578 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:27:14,580 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:14,582 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:14,585 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:14 BoogieIcfgContainer
[2025-05-07 17:27:14,585 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:14,585 INFO  L158              Benchmark]: Toolchain (without parser) took 3439.09ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 147.0MB in the beginning and 211.3MB in the end (delta: -64.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:14,585 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:14,585 INFO  L158              Benchmark]: ChcToBoogie took 47.05ms. Allocated memory is still 234.9MB. Free memory was 147.0MB in the beginning and 143.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:14,586 INFO  L158              Benchmark]: Boogie Preprocessor took 72.30ms. Allocated memory is still 234.9MB. Free memory was 143.8MB in the beginning and 140.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:14,586 INFO  L158              Benchmark]: RCFGBuilder took 430.35ms. Allocated memory is still 234.9MB. Free memory was 140.4MB in the beginning and 172.9MB in the end (delta: -32.5MB). Peak memory consumption was 43.4MB. Max. memory is 33.6GB.
[2025-05-07 17:27:14,586 INFO  L158              Benchmark]: TraceAbstraction took 2885.72ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 172.3MB in the beginning and 211.3MB in the end (delta: -39.0MB). Peak memory consumption was 4.3MB. Max. memory is 33.6GB.
[2025-05-07 17:27:14,587 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 47.05ms. Allocated memory is still 234.9MB. Free memory was 147.0MB in the beginning and 143.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 72.30ms. Allocated memory is still 234.9MB. Free memory was 143.8MB in the beginning and 140.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 430.35ms. Allocated memory is still 234.9MB. Free memory was 140.4MB in the beginning and 172.9MB in the end (delta: -32.5MB). Peak memory consumption was 43.4MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2885.72ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 172.3MB in the beginning and 211.3MB in the end (delta: -39.0MB). Peak memory consumption was 4.3MB. 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 29 procedures, 115 locations, 173 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 4950 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4185 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 417 IncrementalHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 765 mSDtfsCounter, 417 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 57, 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, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 17:27:14,596 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
