./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_2_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:34,177 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:34,214 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ede20b6-3c93-42a3-b1f2-cbb5d221c38f/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:34,217 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:34,217 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:34,230 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:34,231 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:34,231 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:34,231 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:34,231 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:34,231 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:34,231 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:34,231 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:34,231 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:34,232 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:34,232 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:34,232 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:34,233 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:34,233 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:34,411 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:34,417 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:34,419 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:34,419 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:34,420 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:34,421 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ede20b6-3c93-42a3-b1f2-cbb5d221c38f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_2_no_adts_000.smt2
[2025-05-07 17:28:34,421 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:34,424 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:34,741 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ede20b6-3c93-42a3-b1f2-cbb5d221c38f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_2_no_adts_000.smt2
[2025-05-07 17:28:34,743 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:34,744 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:34,745 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:34,745 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:34,745 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:34,747 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,806 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34 Unit
[2025-05-07 17:28:34,806 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:34,807 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:34,807 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:34,807 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:34,822 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,822 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,854 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,854 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,866 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,868 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,871 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,875 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,878 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,898 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:34,899 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:34,899 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:34,899 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:34,900 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (1/1) ...
[2025-05-07 17:28:34,902 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:34,913 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:34,923 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 17:28:34,925 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 17:28:34,935 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:34,935 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:34,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:34,935 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_20_0 given in one single declaration
[2025-05-07 17:28:34,935 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_20_0
[2025-05-07 17:28:34,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_20_0
[2025-05-07 17:28:34,935 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_124_0 given in one single declaration
[2025-05-07 17:28:34,935 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_25_C_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_25_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_25_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_27_C_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_26_C_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_28_C_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__42_124_0 given in one single declaration
[2025-05-07 17:28:34,936 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__42_124_0
[2025-05-07 17:28:34,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__42_124_0
[2025-05-07 17:28:34,936 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__42_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__42_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_41_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_41_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_41_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__42_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__42_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_g__123_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_g__123_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__123_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__123_124_0
[2025-05-07 17:28:34,937 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,937 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:28:34,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_122_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_122_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_122_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__123_124_0
[2025-05-07 17:28:34,938 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,938 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__123_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__123_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__42_124_0 given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:28:34,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:28:34,939 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:34,939 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:34,940 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:35,159 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:35,160 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:35,527 INFO  L?                        ?]: Removed 441 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:35,527 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:35,540 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:35,541 INFO  L312             CfgBuilder]: Removed 20 assume(true) statements.
[2025-05-07 17:28:35,541 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:35 BoogieIcfgContainer
[2025-05-07 17:28:35,541 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:35,544 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:35,544 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:35,548 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:35,548 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:34" (1/3) ...
[2025-05-07 17:28:35,548 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afbf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:35, skipping insertion in model container
[2025-05-07 17:28:35,548 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:34" (2/3) ...
[2025-05-07 17:28:35,549 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afbf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:35, skipping insertion in model container
[2025-05-07 17:28:35,549 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:35" (3/3) ...
[2025-05-07 17:28:35,550 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:35,561 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:35,563 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 31 procedures, 121 locations, 198 edges, 31 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:35,595 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:35,604 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;@7439b677, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:35,604 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:35,608 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 121 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 57 states have internal predecessors, (57), 36 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 33 states have call predecessors, (47), 36 states have call successors, (47)
[2025-05-07 17:28:35,616 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:35,616 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:35,616 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 17:28:35,617 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:35,620 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:35,621 INFO  L85        PathProgramCache]: Analyzing trace with hash -934890989, now seen corresponding path program 1 times
[2025-05-07 17:28:35,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:35,626 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266672277]
[2025-05-07 17:28:35,627 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:35,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:35,688 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:35,801 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:35,801 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:35,802 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:36,501 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 17:28:36,501 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:36,501 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266672277]
[2025-05-07 17:28:36,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266672277] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:36,502 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:36,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:36,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653583479]
[2025-05-07 17:28:36,507 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:36,510 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:36,511 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:36,532 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:36,532 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:36,534 INFO  L87              Difference]: Start difference. First operand  has 121 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 57 states have internal predecessors, (57), 36 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 33 states have call predecessors, (47), 36 states have call successors, (47) Second operand  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:36,618 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:36,618 INFO  L93              Difference]: Finished difference Result 110 states and 130 transitions.
[2025-05-07 17:28:36,619 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:36,620 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:28:36,621 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:36,626 INFO  L225             Difference]: With dead ends: 110
[2025-05-07 17:28:36,626 INFO  L226             Difference]: Without dead ends: 105
[2025-05-07 17:28:36,627 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 17:28:36,629 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:36,630 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 607 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:36,639 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2025-05-07 17:28:36,655 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103.
[2025-05-07 17:28:36,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 31 states have call successors, (37), 25 states have call predecessors, (37), 27 states have return successors, (39), 30 states have call predecessors, (39), 31 states have call successors, (39)
[2025-05-07 17:28:36,659 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions.
[2025-05-07 17:28:36,659 INFO  L79                 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 65
[2025-05-07 17:28:36,660 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:36,660 INFO  L485      AbstractCegarLoop]: Abstraction has 103 states and 123 transitions.
[2025-05-07 17:28:36,660 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:36,660 INFO  L278                IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions.
[2025-05-07 17:28:36,662 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:36,662 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:36,662 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 17:28:36,662 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:36,662 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:36,663 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:36,663 INFO  L85        PathProgramCache]: Analyzing trace with hash -1781229211, now seen corresponding path program 1 times
[2025-05-07 17:28:36,663 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:36,663 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159880673]
[2025-05-07 17:28:36,663 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:36,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:36,692 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:36,710 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:36,711 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:36,711 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:36,882 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 17:28:36,882 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:36,882 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159880673]
[2025-05-07 17:28:36,882 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159880673] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:36,882 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:36,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:36,883 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061074132]
[2025-05-07 17:28:36,883 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:36,884 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:36,884 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:36,885 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:36,885 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:36,885 INFO  L87              Difference]: Start difference. First operand 103 states and 123 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:36,970 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:36,970 INFO  L93              Difference]: Finished difference Result 113 states and 136 transitions.
[2025-05-07 17:28:36,970 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:36,971 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:28:36,971 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:36,974 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:28:36,974 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:28:36,974 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:36,975 INFO  L437           NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:36,975 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 861 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:36,976 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:28:36,987 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2025-05-07 17:28:36,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 51 states have internal predecessors, (51), 33 states have call successors, (39), 25 states have call predecessors, (39), 31 states have return successors, (46), 36 states have call predecessors, (46), 33 states have call successors, (46)
[2025-05-07 17:28:36,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 136 transitions.
[2025-05-07 17:28:36,990 INFO  L79                 Accepts]: Start accepts. Automaton has 113 states and 136 transitions. Word has length 65
[2025-05-07 17:28:36,990 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:36,990 INFO  L485      AbstractCegarLoop]: Abstraction has 113 states and 136 transitions.
[2025-05-07 17:28:36,991 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:36,991 INFO  L278                IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions.
[2025-05-07 17:28:36,994 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:36,994 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:36,994 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 17:28:36,995 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:36,995 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:36,995 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:36,995 INFO  L85        PathProgramCache]: Analyzing trace with hash 1699373303, now seen corresponding path program 1 times
[2025-05-07 17:28:36,995 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:36,995 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810226606]
[2025-05-07 17:28:36,995 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:36,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,035 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:37,058 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:37,058 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,058 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:37,414 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 17:28:37,414 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:37,414 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810226606]
[2025-05-07 17:28:37,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810226606] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:37,414 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:37,414 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:37,414 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162855540]
[2025-05-07 17:28:37,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:37,415 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:37,415 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:37,416 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:37,416 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:37,416 INFO  L87              Difference]: Start difference. First operand 113 states and 136 transitions. Second operand  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:28:37,551 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:37,551 INFO  L93              Difference]: Finished difference Result 119 states and 142 transitions.
[2025-05-07 17:28:37,552 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:37,552 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 65
[2025-05-07 17:28:37,552 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:37,553 INFO  L225             Difference]: With dead ends: 119
[2025-05-07 17:28:37,553 INFO  L226             Difference]: Without dead ends: 119
[2025-05-07 17:28:37,553 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:37,554 INFO  L437           NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 759 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 17:28:37,554 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 759 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:37,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2025-05-07 17:28:37,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113.
[2025-05-07 17:28:37,560 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 51 states have internal predecessors, (51), 33 states have call successors, (39), 25 states have call predecessors, (39), 31 states have return successors, (46), 36 states have call predecessors, (46), 33 states have call successors, (46)
[2025-05-07 17:28:37,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 136 transitions.
[2025-05-07 17:28:37,561 INFO  L79                 Accepts]: Start accepts. Automaton has 113 states and 136 transitions. Word has length 65
[2025-05-07 17:28:37,561 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:37,561 INFO  L485      AbstractCegarLoop]: Abstraction has 113 states and 136 transitions.
[2025-05-07 17:28:37,561 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:28:37,561 INFO  L278                IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions.
[2025-05-07 17:28:37,562 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:37,562 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,562 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 17:28:37,562 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:37,562 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,563 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,563 INFO  L85        PathProgramCache]: Analyzing trace with hash -585244821, now seen corresponding path program 1 times
[2025-05-07 17:28:37,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,563 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578988221]
[2025-05-07 17:28:37,563 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,592 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:37,603 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:37,603 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,603 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:37,676 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 17:28:37,676 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:37,676 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578988221]
[2025-05-07 17:28:37,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578988221] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:37,676 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:37,676 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:37,676 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689310183]
[2025-05-07 17:28:37,676 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:37,677 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:37,677 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:37,677 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:37,678 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:37,678 INFO  L87              Difference]: Start difference. First operand 113 states and 136 transitions. Second operand  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:37,686 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:37,686 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:28:37,686 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:37,687 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 65
[2025-05-07 17:28:37,687 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:37,688 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:28:37,688 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:28:37,688 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 17:28:37,688 INFO  L437           NwaCegarLoop]: 119 mSDtfsCounter, 1 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 350 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 17:28:37,688 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 350 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:37,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:28:37,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111.
[2025-05-07 17:28:37,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:28:37,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:28:37,694 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:28:37,694 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:37,694 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:28:37,695 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:28:37,695 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:28:37,695 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:37,695 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,695 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 17:28:37,696 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:37,696 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,696 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,696 INFO  L85        PathProgramCache]: Analyzing trace with hash 908524587, now seen corresponding path program 1 times
[2025-05-07 17:28:37,696 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,696 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725034271]
[2025-05-07 17:28:37,696 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,726 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:37,736 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:37,736 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,736 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:37,841 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 17:28:37,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:37,841 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725034271]
[2025-05-07 17:28:37,842 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725034271] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:37,842 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:37,842 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:37,842 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033826594]
[2025-05-07 17:28:37,842 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:37,842 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:37,842 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:37,843 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:37,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:37,843 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:37,919 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:37,919 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:28:37,919 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:37,920 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:28:37,920 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:37,921 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:28:37,921 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:28:37,921 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:37,922 INFO  L437           NwaCegarLoop]: 109 mSDtfsCounter, 1 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:37,922 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 751 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:37,923 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:28:37,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:28:37,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:28:37,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:28:37,932 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:28:37,932 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:37,932 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:28:37,932 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:37,933 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:28:37,934 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:37,934 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:37,934 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 17:28:37,934 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:37,934 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:37,934 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:37,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1572940953, now seen corresponding path program 1 times
[2025-05-07 17:28:37,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:37,935 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572672324]
[2025-05-07 17:28:37,935 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:37,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:37,971 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:37,987 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:37,987 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:37,987 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,114 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 17:28:38,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,114 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572672324]
[2025-05-07 17:28:38,114 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572672324] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,114 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,114 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:38,114 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827866121]
[2025-05-07 17:28:38,114 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,115 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:38,115 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,115 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:38,116 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,116 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,182 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:28:38,182 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:38,182 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:28:38,183 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,183 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:28:38,183 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:28:38,183 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,184 INFO  L437           NwaCegarLoop]: 119 mSDtfsCounter, 1 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,184 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 814 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:38,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:28:38,188 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:28:38,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:28:38,189 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:28:38,189 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:28:38,189 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,189 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:28:38,189 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,189 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:28:38,190 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:38,190 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,190 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 17:28:38,190 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:38,190 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,190 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,191 INFO  L85        PathProgramCache]: Analyzing trace with hash -1673452313, now seen corresponding path program 1 times
[2025-05-07 17:28:38,191 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,191 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207927070]
[2025-05-07 17:28:38,191 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,218 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:38,228 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:38,228 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,228 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,324 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 17:28:38,324 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,324 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207927070]
[2025-05-07 17:28:38,324 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207927070] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,324 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,324 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:38,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348340609]
[2025-05-07 17:28:38,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,324 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:38,324 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,324 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:38,325 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,325 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,395 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,395 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:28:38,395 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:38,396 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:28:38,396 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,396 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:28:38,396 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:28:38,396 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,397 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,397 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 819 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:38,397 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:28:38,401 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:28:38,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:28:38,401 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:28:38,402 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:28:38,402 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,402 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:28:38,402 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,402 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:28:38,402 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:38,402 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,403 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 17:28:38,403 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:38,403 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,403 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,403 INFO  L85        PathProgramCache]: Analyzing trace with hash -1898331267, now seen corresponding path program 1 times
[2025-05-07 17:28:38,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,403 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812891133]
[2025-05-07 17:28:38,403 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,435 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:38,445 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:38,445 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,445 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,567 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 17:28:38,568 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,568 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812891133]
[2025-05-07 17:28:38,568 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812891133] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,568 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,568 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:38,568 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669670872]
[2025-05-07 17:28:38,568 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,568 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:38,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,569 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:38,569 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,569 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,644 INFO  L93              Difference]: Finished difference Result 116 states and 137 transitions.
[2025-05-07 17:28:38,644 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:38,645 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:28:38,645 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,646 INFO  L225             Difference]: With dead ends: 116
[2025-05-07 17:28:38,646 INFO  L226             Difference]: Without dead ends: 116
[2025-05-07 17:28:38,646 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:38,646 INFO  L437           NwaCegarLoop]: 121 mSDtfsCounter, 1 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,646 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 826 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:38,647 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2025-05-07 17:28:38,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106.
[2025-05-07 17:28:38,651 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 30 states have call successors, (36), 25 states have call predecessors, (36), 29 states have return successors, (40), 32 states have call predecessors, (40), 30 states have call successors, (40)
[2025-05-07 17:28:38,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions.
[2025-05-07 17:28:38,652 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 65
[2025-05-07 17:28:38,652 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,652 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 124 transitions.
[2025-05-07 17:28:38,652 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:28:38,652 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions.
[2025-05-07 17:28:38,653 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:28:38,653 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,653 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 17:28:38,653 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:28:38,654 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,654 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -339586395, now seen corresponding path program 1 times
[2025-05-07 17:28:38,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,655 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021396621]
[2025-05-07 17:28:38,655 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,685 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:28:38,695 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:28:38,695 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,695 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,765 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 17:28:38,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,765 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021396621]
[2025-05-07 17:28:38,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021396621] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:38,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646417702]
[2025-05-07 17:28:38,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,766 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:38,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,766 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:38,766 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:38,766 INFO  L87              Difference]: Start difference. First operand 106 states and 124 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:28:38,792 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,792 INFO  L93              Difference]: Finished difference Result 76 states and 90 transitions.
[2025-05-07 17:28:38,792 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:38,793 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:28:38,793 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,793 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:28:38,793 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:38,793 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 17:28:38,793 INFO  L437           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 408 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 17:28:38,794 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 408 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:38,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:38,794 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:38,794 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 17:28:38,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:38,794 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:28:38,794 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,794 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:38,794 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:28:38,795 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:38,795 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:38,796 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:38,797 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:28:38,799 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:38,801 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:38,803 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:38 BoogieIcfgContainer
[2025-05-07 17:28:38,803 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:38,804 INFO  L158              Benchmark]: Toolchain (without parser) took 4059.38ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 121.6MB in the beginning and 113.3MB in the end (delta: 8.2MB). Peak memory consumption was 67.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:38,804 INFO  L158              Benchmark]: SmtParser took 0.22ms. Allocated memory is still 234.9MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:38,804 INFO  L158              Benchmark]: ChcToBoogie took 61.66ms. Allocated memory is still 234.9MB. Free memory was 121.6MB in the beginning and 190.4MB in the end (delta: -68.8MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
[2025-05-07 17:28:38,804 INFO  L158              Benchmark]: Boogie Preprocessor took 91.12ms. Allocated memory is still 234.9MB. Free memory was 190.4MB in the beginning and 186.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:38,805 INFO  L158              Benchmark]: RCFGBuilder took 642.49ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 186.2MB in the beginning and 251.2MB in the end (delta: -65.0MB). Peak memory consumption was 92.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:38,805 INFO  L158              Benchmark]: TraceAbstraction took 3259.16ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 251.2MB in the beginning and 113.3MB in the end (delta: 137.9MB). Peak memory consumption was 120.9MB. Max. memory is 33.6GB.
[2025-05-07 17:28:38,805 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 173.4MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 61.66ms. Allocated memory is still 234.9MB. Free memory was 121.6MB in the beginning and 190.4MB in the end (delta: -68.8MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 91.12ms. Allocated memory is still 234.9MB. Free memory was 190.4MB in the beginning and 186.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 642.49ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 186.2MB in the beginning and 251.2MB in the end (delta: -65.0MB). Peak memory consumption was 92.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3259.16ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 251.2MB in the beginning and 113.3MB in the end (delta: 137.9MB). Peak memory consumption was 120.9MB. 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 31 procedures, 121 locations, 198 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6195 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5161 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1034 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 64, 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, 9 MinimizatonAttempts, 50 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 17:28:38,817 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
