./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_5_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:24:52,118 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:24:52,156 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86982c18-8e49-4fb0-8e2e-8bbfc125aeb3/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:24:52,159 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:24:52,159 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:24:52,172 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:24:52,172 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:24:52,172 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:24:52,172 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:24:52,173 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:24:52,173 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:24:52,173 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:24:52,173 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:24:52,173 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:24:52,173 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:24:52,173 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:52,174 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:24:52,174 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:24:52,175 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:24:52,175 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:24:52,393 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:24:52,399 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:24:52,400 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:24:52,401 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:24:52,402 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:24:52,403 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86982c18-8e49-4fb0-8e2e-8bbfc125aeb3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_5_no_adts_000.smt2
[2025-05-07 17:24:52,403 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:24:52,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:24:52,690 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86982c18-8e49-4fb0-8e2e-8bbfc125aeb3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_5_no_adts_000.smt2
[2025-05-07 17:24:52,692 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:24:52,693 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:24:52,693 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:24:52,694 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:24:52,694 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:24:52,696 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,729 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52 Unit
[2025-05-07 17:24:52,729 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:24:52,729 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:24:52,730 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:24:52,730 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:24:52,740 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,741 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,765 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,766 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,772 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,773 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,775 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,778 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,779 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,791 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:24:52,792 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:24:52,792 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:24:52,792 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:24:52,793 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (1/1) ...
[2025-05-07 17:24:52,795 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:52,803 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:24:52,812 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 17:24:52,814 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 17:24:52,825 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:24:52,825 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:24:52,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:24:52,825 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_11_0 given in one single declaration
[2025-05-07 17:24:52,825 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_11_0
[2025-05-07 17:24:52,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_11_0
[2025-05-07 17:24:52,826 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_17_C_93_0 given in one single declaration
[2025-05-07 17:24:52,826 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_17_C_93_0
[2025-05-07 17:24:52,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_17_C_93_0
[2025-05-07 17:24:52,826 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_19_C_93_0 given in one single declaration
[2025-05-07 17:24:52,826 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_19_C_93_0
[2025-05-07 17:24:52,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_19_C_93_0
[2025-05-07 17:24:52,826 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_113_A1_43_0 given in one single declaration
[2025-05-07 17:24:52,826 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:24:52,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:24:52,826 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_115_A1_43_0 given in one single declaration
[2025-05-07 17:24:52,826 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:24:52,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:24:52,827 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_114_A1_43_0 given in one single declaration
[2025-05-07 17:24:52,827 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:24:52,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:24:52,827 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_110_C_93_0 given in one single declaration
[2025-05-07 17:24:52,827 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_110_C_93_0
[2025-05-07 17:24:52,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_110_C_93_0
[2025-05-07 17:24:52,827 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_112_C_93_0 given in one single declaration
[2025-05-07 17:24:52,827 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:24:52,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:24:52,827 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_111_C_93_0 given in one single declaration
[2025-05-07 17:24:52,828 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:24:52,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:24:52,828 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_116_B_56_0 given in one single declaration
[2025-05-07 17:24:52,828 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_116_B_56_0
[2025-05-07 17:24:52,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_116_B_56_0
[2025-05-07 17:24:52,828 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_118_B_56_0 given in one single declaration
[2025-05-07 17:24:52,828 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:24:52,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:24:52,828 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_117_B_56_0 given in one single declaration
[2025-05-07 17:24:52,828 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:24:52,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:24:52,829 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_119_A_30_0 given in one single declaration
[2025-05-07 17:24:52,829 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_119_A_30_0
[2025-05-07 17:24:52,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_119_A_30_0
[2025-05-07 17:24:52,829 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_121_A_30_0 given in one single declaration
[2025-05-07 17:24:52,829 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:24:52,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:24:52,829 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_120_A_30_0 given in one single declaration
[2025-05-07 17:24:52,829 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:24:52,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:24:52,829 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_122_C_93_0 given in one single declaration
[2025-05-07 17:24:52,829 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:24:52,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:24:52,830 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_25_function_g__71_93_0 given in one single declaration
[2025-05-07 17:24:52,830 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_25_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_25_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_24_function_g__71_93_0 given in one single declaration
[2025-05-07 17:24:52,830 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_24_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_24_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_100_return_function_g__71_93_0 given in one single declaration
[2025-05-07 17:24:52,830 INFO  L130     BoogieDeclarations]: Found specification of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:24:52,830 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_99_g_70_93_0 given in one single declaration
[2025-05-07 17:24:52,830 INFO  L130     BoogieDeclarations]: Found specification of procedure block_99_g_70_93_0
[2025-05-07 17:24:52,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_99_g_70_93_0
[2025-05-07 17:24:52,831 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_98_function_g__71_93_0 given in one single declaration
[2025-05-07 17:24:52,831 INFO  L130     BoogieDeclarations]: Found specification of procedure block_98_function_g__71_93_0
[2025-05-07 17:24:52,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_98_function_g__71_93_0
[2025-05-07 17:24:52,831 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_101_function_f__83_93_0 given in one single declaration
[2025-05-07 17:24:52,831 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_101_function_f__83_93_0
[2025-05-07 17:24:52,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_101_function_f__83_93_0
[2025-05-07 17:24:52,831 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_26_function_f__83_93_0 given in one single declaration
[2025-05-07 17:24:52,831 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_26_function_f__83_93_0
[2025-05-07 17:24:52,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_26_function_f__83_93_0
[2025-05-07 17:24:52,831 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_106_function_f__42_93_0 given in one single declaration
[2025-05-07 17:24:52,831 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_106_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_106_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_22_function_f__42_93_0 given in one single declaration
[2025-05-07 17:24:52,832 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_22_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_22_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_91_f_41_93_0 given in one single declaration
[2025-05-07 17:24:52,832 INFO  L130     BoogieDeclarations]: Found specification of procedure block_91_f_41_93_0
[2025-05-07 17:24:52,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_91_f_41_93_0
[2025-05-07 17:24:52,832 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_90_function_f__42_93_0 given in one single declaration
[2025-05-07 17:24:52,832 INFO  L130     BoogieDeclarations]: Found specification of procedure block_90_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_90_function_f__42_93_0
[2025-05-07 17:24:52,832 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_93_function_f__55_93_0 given in one single declaration
[2025-05-07 17:24:52,832 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_93_function_f__55_93_0
[2025-05-07 17:24:52,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_93_function_f__55_93_0
[2025-05-07 17:24:52,832 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_23_function_f__55_93_0 given in one single declaration
[2025-05-07 17:24:52,833 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_23_function_f__55_93_0
[2025-05-07 17:24:52,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_23_function_f__55_93_0
[2025-05-07 17:24:52,833 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_95_f_54_93_0 given in one single declaration
[2025-05-07 17:24:52,833 INFO  L130     BoogieDeclarations]: Found specification of procedure block_95_f_54_93_0
[2025-05-07 17:24:52,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_95_f_54_93_0
[2025-05-07 17:24:52,833 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_94_function_f__55_93_0 given in one single declaration
[2025-05-07 17:24:52,833 INFO  L130     BoogieDeclarations]: Found specification of procedure block_94_function_f__55_93_0
[2025-05-07 17:24:52,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_94_function_f__55_93_0
[2025-05-07 17:24:52,833 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_97_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,833 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_97_function_f__21_93_0
[2025-05-07 17:24:52,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_97_function_f__21_93_0
[2025-05-07 17:24:52,833 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_20_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,833 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_20_function_f__21_93_0
[2025-05-07 17:24:52,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_20_function_f__21_93_0
[2025-05-07 17:24:52,834 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_86_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,834 INFO  L130     BoogieDeclarations]: Found specification of procedure block_86_function_f__21_93_0
[2025-05-07 17:24:52,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_86_function_f__21_93_0
[2025-05-07 17:24:52,834 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_83_return_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,834 INFO  L130     BoogieDeclarations]: Found specification of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:24:52,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:24:52,834 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_84_function_v__92_93_0 given in one single declaration
[2025-05-07 17:24:52,834 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_84_function_v__92_93_0
[2025-05-07 17:24:52,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_84_function_v__92_93_0
[2025-05-07 17:24:52,834 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_27_function_v__92_93_0 given in one single declaration
[2025-05-07 17:24:52,834 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_27_function_v__92_93_0
[2025-05-07 17:24:52,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_27_function_v__92_93_0
[2025-05-07 17:24:52,834 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_109_return_function_v__92_93_0 given in one single declaration
[2025-05-07 17:24:52,834 INFO  L130     BoogieDeclarations]: Found specification of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:24:52,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:24:52,835 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_108_v_91_93_0 given in one single declaration
[2025-05-07 17:24:52,835 INFO  L130     BoogieDeclarations]: Found specification of procedure block_108_v_91_93_0
[2025-05-07 17:24:52,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_108_v_91_93_0
[2025-05-07 17:24:52,835 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_107_function_v__92_93_0 given in one single declaration
[2025-05-07 17:24:52,835 INFO  L130     BoogieDeclarations]: Found specification of procedure block_107_function_v__92_93_0
[2025-05-07 17:24:52,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_107_function_v__92_93_0
[2025-05-07 17:24:52,835 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_82_f_20_93_0 given in one single declaration
[2025-05-07 17:24:52,835 INFO  L130     BoogieDeclarations]: Found specification of procedure block_82_f_20_93_0
[2025-05-07 17:24:52,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_82_f_20_93_0
[2025-05-07 17:24:52,835 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_81_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,835 INFO  L130     BoogieDeclarations]: Found specification of procedure block_81_function_f__21_93_0
[2025-05-07 17:24:52,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_81_function_f__21_93_0
[2025-05-07 17:24:52,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_85_function_f__21_93_0 given in one single declaration
[2025-05-07 17:24:52,836 INFO  L130     BoogieDeclarations]: Found specification of procedure block_85_function_f__21_93_0
[2025-05-07 17:24:52,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_85_function_f__21_93_0
[2025-05-07 17:24:52,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_96_return_function_f__55_93_0 given in one single declaration
[2025-05-07 17:24:52,836 INFO  L130     BoogieDeclarations]: Found specification of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:24:52,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:24:52,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_92_return_function_f__42_93_0 given in one single declaration
[2025-05-07 17:24:52,836 INFO  L130     BoogieDeclarations]: Found specification of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:24:52,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:24:52,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_104_f_82_93_0 given in one single declaration
[2025-05-07 17:24:52,836 INFO  L130     BoogieDeclarations]: Found specification of procedure block_104_f_82_93_0
[2025-05-07 17:24:52,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_104_f_82_93_0
[2025-05-07 17:24:52,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_103_function_f__83_93_0 given in one single declaration
[2025-05-07 17:24:52,837 INFO  L130     BoogieDeclarations]: Found specification of procedure block_103_function_f__83_93_0
[2025-05-07 17:24:52,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_103_function_f__83_93_0
[2025-05-07 17:24:52,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_105_return_function_f__83_93_0 given in one single declaration
[2025-05-07 17:24:52,837 INFO  L130     BoogieDeclarations]: Found specification of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:24:52,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:24:52,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_102_function_g__71_93_0 given in one single declaration
[2025-05-07 17:24:52,837 INFO  L130     BoogieDeclarations]: Found specification of procedure block_102_function_g__71_93_0
[2025-05-07 17:24:52,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_102_function_g__71_93_0
[2025-05-07 17:24:52,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:24:52,837 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:24:52,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:24:53,062 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:24:53,064 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:24:53,346 INFO  L?                        ?]: Removed 372 outVars from TransFormulas that were not future-live.
[2025-05-07 17:24:53,346 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:24:53,357 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:24:53,357 INFO  L312             CfgBuilder]: Removed 29 assume(true) statements.
[2025-05-07 17:24:53,358 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:53 BoogieIcfgContainer
[2025-05-07 17:24:53,358 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:24:53,359 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:24:53,359 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:24:53,362 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:24:53,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:52" (1/3) ...
[2025-05-07 17:24:53,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39999a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:24:53, skipping insertion in model container
[2025-05-07 17:24:53,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:52" (2/3) ...
[2025-05-07 17:24:53,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39999a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:24:53, skipping insertion in model container
[2025-05-07 17:24:53,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:53" (3/3) ...
[2025-05-07 17:24:53,363 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:24:53,374 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:24:53,376 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 51 procedures, 205 locations, 326 edges, 51 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:24:53,405 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:24:53,413 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;@155bb03e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:24:53,413 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:24:53,416 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 205 states, 80 states have (on average 1.075) internal successors, (86), 86 states have internal predecessors, (86), 78 states have call successors, (80), 50 states have call predecessors, (80), 50 states have return successors, (80), 68 states have call predecessors, (80), 78 states have call successors, (80)
[2025-05-07 17:24:53,425 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2025-05-07 17:24:53,425 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:53,426 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:53,426 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:53,429 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:53,430 INFO  L85        PathProgramCache]: Analyzing trace with hash -1107207067, now seen corresponding path program 1 times
[2025-05-07 17:24:53,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:53,435 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160635062]
[2025-05-07 17:24:53,435 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:53,435 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:53,501 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes.
[2025-05-07 17:24:53,624 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements.
[2025-05-07 17:24:53,625 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:53,625 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:53,947 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 17:24:53,948 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:53,949 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160635062]
[2025-05-07 17:24:53,949 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160635062] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:53,949 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:53,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:24:53,953 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519665588]
[2025-05-07 17:24:53,954 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:53,958 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:24:53,958 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:53,987 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:24:53,987 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:24:53,989 INFO  L87              Difference]: Start difference. First operand  has 205 states, 80 states have (on average 1.075) internal successors, (86), 86 states have internal predecessors, (86), 78 states have call successors, (80), 50 states have call predecessors, (80), 50 states have return successors, (80), 68 states have call predecessors, (80), 78 states have call successors, (80) Second operand  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34)
[2025-05-07 17:24:54,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:54,033 INFO  L93              Difference]: Finished difference Result 207 states and 248 transitions.
[2025-05-07 17:24:54,034 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:24:54,035 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 121
[2025-05-07 17:24:54,036 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:54,042 INFO  L225             Difference]: With dead ends: 207
[2025-05-07 17:24:54,042 INFO  L226             Difference]: Without dead ends: 191
[2025-05-07 17:24:54,044 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 17:24:54,045 INFO  L437           NwaCegarLoop]: 244 mSDtfsCounter, 1 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:54,046 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 710 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:54,055 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2025-05-07 17:24:54,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189.
[2025-05-07 17:24:54,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 189 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 80 states have internal predecessors, (80), 64 states have call successors, (66), 50 states have call predecessors, (66), 50 states have return successors, (66), 58 states have call predecessors, (66), 64 states have call successors, (66)
[2025-05-07 17:24:54,082 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 212 transitions.
[2025-05-07 17:24:54,083 INFO  L79                 Accepts]: Start accepts. Automaton has 189 states and 212 transitions. Word has length 121
[2025-05-07 17:24:54,083 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:54,083 INFO  L485      AbstractCegarLoop]: Abstraction has 189 states and 212 transitions.
[2025-05-07 17:24:54,084 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34)
[2025-05-07 17:24:54,084 INFO  L278                IsEmpty]: Start isEmpty. Operand 189 states and 212 transitions.
[2025-05-07 17:24:54,087 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2025-05-07 17:24:54,087 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:54,087 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:54,087 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:24:54,087 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:54,088 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:54,088 INFO  L85        PathProgramCache]: Analyzing trace with hash -1465434422, now seen corresponding path program 1 times
[2025-05-07 17:24:54,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:54,088 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467240241]
[2025-05-07 17:24:54,088 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:54,088 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:54,159 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes.
[2025-05-07 17:24:54,195 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements.
[2025-05-07 17:24:54,195 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:54,195 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:54,383 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 17:24:54,383 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:54,383 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467240241]
[2025-05-07 17:24:54,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467240241] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:54,383 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:54,383 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:24:54,383 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009519358]
[2025-05-07 17:24:54,383 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:54,385 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:24:54,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:54,386 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:24:54,386 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:24:54,386 INFO  L87              Difference]: Start difference. First operand 189 states and 212 transitions. Second operand  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43)
[2025-05-07 17:24:54,460 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:54,460 INFO  L93              Difference]: Finished difference Result 189 states and 211 transitions.
[2025-05-07 17:24:54,460 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:24:54,460 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43) Word has length 151
[2025-05-07 17:24:54,461 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:54,462 INFO  L225             Difference]: With dead ends: 189
[2025-05-07 17:24:54,462 INFO  L226             Difference]: Without dead ends: 187
[2025-05-07 17:24:54,462 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:24:54,463 INFO  L437           NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:54,463 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1214 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:24:54,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2025-05-07 17:24:54,480 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2025-05-07 17:24:54,481 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 187 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 79 states have internal predecessors, (79), 62 states have call successors, (64), 50 states have call predecessors, (64), 50 states have return successors, (64), 57 states have call predecessors, (64), 62 states have call successors, (64)
[2025-05-07 17:24:54,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 207 transitions.
[2025-05-07 17:24:54,484 INFO  L79                 Accepts]: Start accepts. Automaton has 187 states and 207 transitions. Word has length 151
[2025-05-07 17:24:54,484 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:54,484 INFO  L485      AbstractCegarLoop]: Abstraction has 187 states and 207 transitions.
[2025-05-07 17:24:54,485 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (43), 1 states have call predecessors, (43), 6 states have return successors, (43), 7 states have call predecessors, (43), 4 states have call successors, (43)
[2025-05-07 17:24:54,485 INFO  L278                IsEmpty]: Start isEmpty. Operand 187 states and 207 transitions.
[2025-05-07 17:24:54,487 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:24:54,488 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:54,488 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:54,488 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:24:54,488 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:54,489 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:54,489 INFO  L85        PathProgramCache]: Analyzing trace with hash 1205923657, now seen corresponding path program 1 times
[2025-05-07 17:24:54,489 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:54,489 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748470789]
[2025-05-07 17:24:54,489 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:54,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:54,533 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:24:54,545 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:24:54,545 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:54,545 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:54,816 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 17:24:54,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:54,817 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748470789]
[2025-05-07 17:24:54,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748470789] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:54,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:54,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:54,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683813626]
[2025-05-07 17:24:54,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:54,817 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:54,817 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:54,818 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:54,818 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:54,818 INFO  L87              Difference]: Start difference. First operand 187 states and 207 transitions. Second operand  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:24:54,859 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:54,859 INFO  L93              Difference]: Finished difference Result 185 states and 204 transitions.
[2025-05-07 17:24:54,859 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:54,860 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44) Word has length 154
[2025-05-07 17:24:54,860 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:54,861 INFO  L225             Difference]: With dead ends: 185
[2025-05-07 17:24:54,861 INFO  L226             Difference]: Without dead ends: 182
[2025-05-07 17:24:54,861 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 17:24:54,861 INFO  L437           NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:54,862 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 987 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:54,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2025-05-07 17:24:54,868 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2025-05-07 17:24:54,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 182 states, 76 states have (on average 1.013157894736842) internal successors, (77), 77 states have internal predecessors, (77), 60 states have call successors, (61), 49 states have call predecessors, (61), 49 states have return successors, (61), 55 states have call predecessors, (61), 60 states have call successors, (61)
[2025-05-07 17:24:54,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 199 transitions.
[2025-05-07 17:24:54,869 INFO  L79                 Accepts]: Start accepts. Automaton has 182 states and 199 transitions. Word has length 154
[2025-05-07 17:24:54,870 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:54,870 INFO  L485      AbstractCegarLoop]: Abstraction has 182 states and 199 transitions.
[2025-05-07 17:24:54,870 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 6 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:24:54,870 INFO  L278                IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions.
[2025-05-07 17:24:54,871 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:24:54,872 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:54,872 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:54,872 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:24:54,872 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:54,872 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:54,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -2055686263, now seen corresponding path program 1 times
[2025-05-07 17:24:54,872 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:54,872 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882072900]
[2025-05-07 17:24:54,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:54,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:54,928 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:24:54,951 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:24:54,951 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:54,952 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:55,176 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 17:24:55,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:55,176 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882072900]
[2025-05-07 17:24:55,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882072900] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:55,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:55,177 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:55,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275060453]
[2025-05-07 17:24:55,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:55,177 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:55,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:55,178 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:55,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:55,178 INFO  L87              Difference]: Start difference. First operand 182 states and 199 transitions. Second operand  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:24:55,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:55,223 INFO  L93              Difference]: Finished difference Result 188 states and 205 transitions.
[2025-05-07 17:24:55,224 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:55,224 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 154
[2025-05-07 17:24:55,224 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:55,226 INFO  L225             Difference]: With dead ends: 188
[2025-05-07 17:24:55,226 INFO  L226             Difference]: Without dead ends: 188
[2025-05-07 17:24:55,226 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 17:24:55,227 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 973 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 17:24:55,227 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 973 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:55,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2025-05-07 17:24:55,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186.
[2025-05-07 17:24:55,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 186 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 79 states have internal predecessors, (79), 60 states have call successors, (61), 49 states have call predecessors, (61), 51 states have return successors, (63), 57 states have call predecessors, (63), 60 states have call successors, (63)
[2025-05-07 17:24:55,234 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 203 transitions.
[2025-05-07 17:24:55,234 INFO  L79                 Accepts]: Start accepts. Automaton has 186 states and 203 transitions. Word has length 154
[2025-05-07 17:24:55,235 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:55,235 INFO  L485      AbstractCegarLoop]: Abstraction has 186 states and 203 transitions.
[2025-05-07 17:24:55,235 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (44), 1 states have call predecessors, (44), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44)
[2025-05-07 17:24:55,235 INFO  L278                IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions.
[2025-05-07 17:24:55,236 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:24:55,236 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:55,236 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:55,236 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:24:55,236 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:55,237 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:55,237 INFO  L85        PathProgramCache]: Analyzing trace with hash 971780276, now seen corresponding path program 1 times
[2025-05-07 17:24:55,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:55,237 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605655980]
[2025-05-07 17:24:55,237 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:55,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:55,289 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:24:55,309 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:24:55,309 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:55,309 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:55,451 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 17:24:55,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:55,452 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605655980]
[2025-05-07 17:24:55,452 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605655980] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:55,452 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:55,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:55,452 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605213793]
[2025-05-07 17:24:55,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:55,453 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:55,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:55,454 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:55,454 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:55,454 INFO  L87              Difference]: Start difference. First operand 186 states and 203 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:55,499 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:55,499 INFO  L93              Difference]: Finished difference Result 192 states and 209 transitions.
[2025-05-07 17:24:55,499 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:55,500 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:24:55,500 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:55,502 INFO  L225             Difference]: With dead ends: 192
[2025-05-07 17:24:55,502 INFO  L226             Difference]: Without dead ends: 192
[2025-05-07 17:24:55,502 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 17:24:55,503 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:55,503 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 972 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:55,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2025-05-07 17:24:55,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190.
[2025-05-07 17:24:55,510 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 190 states, 80 states have (on average 1.0125) internal successors, (81), 81 states have internal predecessors, (81), 60 states have call successors, (61), 49 states have call predecessors, (61), 53 states have return successors, (65), 59 states have call predecessors, (65), 60 states have call successors, (65)
[2025-05-07 17:24:55,511 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 207 transitions.
[2025-05-07 17:24:55,512 INFO  L79                 Accepts]: Start accepts. Automaton has 190 states and 207 transitions. Word has length 157
[2025-05-07 17:24:55,512 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:55,512 INFO  L485      AbstractCegarLoop]: Abstraction has 190 states and 207 transitions.
[2025-05-07 17:24:55,512 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:55,512 INFO  L278                IsEmpty]: Start isEmpty. Operand 190 states and 207 transitions.
[2025-05-07 17:24:55,514 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:24:55,514 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:55,514 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:55,514 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:24:55,514 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:55,514 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:55,514 INFO  L85        PathProgramCache]: Analyzing trace with hash -1168173591, now seen corresponding path program 1 times
[2025-05-07 17:24:55,514 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:55,514 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781347139]
[2025-05-07 17:24:55,514 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:55,515 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:55,579 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:24:55,604 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:24:55,604 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:55,604 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:55,922 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 17:24:55,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:55,922 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781347139]
[2025-05-07 17:24:55,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781347139] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:55,922 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:55,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:24:55,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051025302]
[2025-05-07 17:24:55,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:55,923 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:24:55,923 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:55,924 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:24:55,924 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:24:55,924 INFO  L87              Difference]: Start difference. First operand 190 states and 207 transitions. Second operand  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44)
[2025-05-07 17:24:56,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:56,112 INFO  L93              Difference]: Finished difference Result 203 states and 223 transitions.
[2025-05-07 17:24:56,112 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:24:56,112 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44) Word has length 154
[2025-05-07 17:24:56,112 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:56,113 INFO  L225             Difference]: With dead ends: 203
[2025-05-07 17:24:56,113 INFO  L226             Difference]: Without dead ends: 203
[2025-05-07 17:24:56,113 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:24:56,114 INFO  L437           NwaCegarLoop]: 208 mSDtfsCounter, 1 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:56,114 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2663 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-05-07 17:24:56,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2025-05-07 17:24:56,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2025-05-07 17:24:56,120 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 203 states, 86 states have (on average 1.0116279069767442) internal successors, (87), 87 states have internal predecessors, (87), 61 states have call successors, (62), 49 states have call predecessors, (62), 59 states have return successors, (74), 66 states have call predecessors, (74), 61 states have call successors, (74)
[2025-05-07 17:24:56,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 223 transitions.
[2025-05-07 17:24:56,122 INFO  L79                 Accepts]: Start accepts. Automaton has 203 states and 223 transitions. Word has length 154
[2025-05-07 17:24:56,122 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:56,122 INFO  L485      AbstractCegarLoop]: Abstraction has 203 states and 223 transitions.
[2025-05-07 17:24:56,123 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 14 states have internal predecessors, (66), 7 states have call successors, (44), 1 states have call predecessors, (44), 13 states have return successors, (44), 13 states have call predecessors, (44), 7 states have call successors, (44)
[2025-05-07 17:24:56,123 INFO  L278                IsEmpty]: Start isEmpty. Operand 203 states and 223 transitions.
[2025-05-07 17:24:56,125 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:24:56,125 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:56,125 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:56,125 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:24:56,125 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:56,126 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:56,126 INFO  L85        PathProgramCache]: Analyzing trace with hash 1878382259, now seen corresponding path program 1 times
[2025-05-07 17:24:56,126 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:56,126 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539100334]
[2025-05-07 17:24:56,126 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:56,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:56,187 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:24:56,215 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:24:56,215 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:56,215 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:56,346 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 17:24:56,346 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:56,347 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539100334]
[2025-05-07 17:24:56,347 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539100334] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:56,347 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:56,347 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:56,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621529732]
[2025-05-07 17:24:56,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:56,347 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:56,347 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:56,348 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:56,348 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:56,348 INFO  L87              Difference]: Start difference. First operand 203 states and 223 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:56,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:56,382 INFO  L93              Difference]: Finished difference Result 209 states and 229 transitions.
[2025-05-07 17:24:56,383 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:56,383 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:24:56,383 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:56,384 INFO  L225             Difference]: With dead ends: 209
[2025-05-07 17:24:56,384 INFO  L226             Difference]: Without dead ends: 209
[2025-05-07 17:24:56,384 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 17:24:56,384 INFO  L437           NwaCegarLoop]: 199 mSDtfsCounter, 1 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:56,384 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 980 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:56,385 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2025-05-07 17:24:56,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207.
[2025-05-07 17:24:56,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 88 states have (on average 1.0113636363636365) internal successors, (89), 89 states have internal predecessors, (89), 61 states have call successors, (62), 49 states have call predecessors, (62), 61 states have return successors, (76), 68 states have call predecessors, (76), 61 states have call successors, (76)
[2025-05-07 17:24:56,391 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 227 transitions.
[2025-05-07 17:24:56,391 INFO  L79                 Accepts]: Start accepts. Automaton has 207 states and 227 transitions. Word has length 157
[2025-05-07 17:24:56,391 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:56,391 INFO  L485      AbstractCegarLoop]: Abstraction has 207 states and 227 transitions.
[2025-05-07 17:24:56,391 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:56,391 INFO  L278                IsEmpty]: Start isEmpty. Operand 207 states and 227 transitions.
[2025-05-07 17:24:56,392 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2025-05-07 17:24:56,392 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:56,392 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:56,393 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:24:56,393 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:56,393 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:56,393 INFO  L85        PathProgramCache]: Analyzing trace with hash -1609986792, now seen corresponding path program 1 times
[2025-05-07 17:24:56,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:56,393 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207360789]
[2025-05-07 17:24:56,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:56,393 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:56,430 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes.
[2025-05-07 17:24:56,446 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements.
[2025-05-07 17:24:56,446 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:56,446 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:56,546 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 17:24:56,546 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:56,546 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207360789]
[2025-05-07 17:24:56,546 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207360789] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:56,546 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:56,547 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:56,547 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042003167]
[2025-05-07 17:24:56,547 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:56,547 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:56,547 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:56,547 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:56,547 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:56,547 INFO  L87              Difference]: Start difference. First operand 207 states and 227 transitions. Second operand  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46)
[2025-05-07 17:24:56,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:56,582 INFO  L93              Difference]: Finished difference Result 202 states and 219 transitions.
[2025-05-07 17:24:56,583 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:56,583 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) Word has length 160
[2025-05-07 17:24:56,584 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:56,584 INFO  L225             Difference]: With dead ends: 202
[2025-05-07 17:24:56,584 INFO  L226             Difference]: Without dead ends: 202
[2025-05-07 17:24:56,585 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 17:24:56,585 INFO  L437           NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:56,585 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 972 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:56,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2025-05-07 17:24:56,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202.
[2025-05-07 17:24:56,589 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 86 states have (on average 1.0116279069767442) internal successors, (87), 87 states have internal predecessors, (87), 60 states have call successors, (61), 49 states have call predecessors, (61), 59 states have return successors, (71), 65 states have call predecessors, (71), 60 states have call successors, (71)
[2025-05-07 17:24:56,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 219 transitions.
[2025-05-07 17:24:56,590 INFO  L79                 Accepts]: Start accepts. Automaton has 202 states and 219 transitions. Word has length 160
[2025-05-07 17:24:56,590 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:56,591 INFO  L485      AbstractCegarLoop]: Abstraction has 202 states and 219 transitions.
[2025-05-07 17:24:56,591 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (46), 1 states have call predecessors, (46), 5 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46)
[2025-05-07 17:24:56,591 INFO  L278                IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions.
[2025-05-07 17:24:56,592 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:24:56,592 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:56,592 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:56,592 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:24:56,592 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:56,592 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:56,592 INFO  L85        PathProgramCache]: Analyzing trace with hash -342383493, now seen corresponding path program 1 times
[2025-05-07 17:24:56,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:56,593 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931828531]
[2025-05-07 17:24:56,593 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:56,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:56,644 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:24:56,672 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:24:56,672 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:56,672 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:56,774 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 17:24:56,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:56,775 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931828531]
[2025-05-07 17:24:56,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931828531] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:56,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:56,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:56,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514323749]
[2025-05-07 17:24:56,775 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:56,775 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:56,775 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:56,776 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:56,776 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:56,776 INFO  L87              Difference]: Start difference. First operand 202 states and 219 transitions. Second operand  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:56,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:56,797 INFO  L93              Difference]: Finished difference Result 142 states and 155 transitions.
[2025-05-07 17:24:56,797 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:56,797 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 157
[2025-05-07 17:24:56,798 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:56,798 INFO  L225             Difference]: With dead ends: 142
[2025-05-07 17:24:56,798 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:24:56,798 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 17:24:56,798 INFO  L437           NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 662 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 17:24:56,799 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 662 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:56,799 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:24:56,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:24:56,799 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 17:24:56,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:24:56,799 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157
[2025-05-07 17:24:56,799 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:56,799 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:24:56,800 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (45), 1 states have call predecessors, (45), 5 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45)
[2025-05-07 17:24:56,800 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:24:56,800 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:24:56,802 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:24:56,802 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:24:56,804 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:24:56,806 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:24:56,808 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:24:56 BoogieIcfgContainer
[2025-05-07 17:24:56,808 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:24:56,809 INFO  L158              Benchmark]: Toolchain (without parser) took 4115.99ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 137.3MB in the beginning and 157.5MB in the end (delta: -20.3MB). Peak memory consumption was 38.2MB. Max. memory is 33.6GB.
[2025-05-07 17:24:56,809 INFO  L158              Benchmark]: SmtParser took 0.22ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:24:56,809 INFO  L158              Benchmark]: ChcToBoogie took 35.65ms. Allocated memory is still 234.9MB. Free memory was 137.3MB in the beginning and 133.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:24:56,809 INFO  L158              Benchmark]: Boogie Preprocessor took 62.08ms. Allocated memory is still 234.9MB. Free memory was 133.1MB in the beginning and 128.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:24:56,810 INFO  L158              Benchmark]: RCFGBuilder took 565.69ms. Allocated memory is still 234.9MB. Free memory was 128.8MB in the beginning and 137.0MB in the end (delta: -8.2MB). Peak memory consumption was 26.7MB. Max. memory is 33.6GB.
[2025-05-07 17:24:56,810 INFO  L158              Benchmark]: TraceAbstraction took 3449.38ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 136.6MB in the beginning and 157.5MB in the end (delta: -20.9MB). Peak memory consumption was 28.2MB. Max. memory is 33.6GB.
[2025-05-07 17:24:56,811 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 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 35.65ms. Allocated memory is still 234.9MB. Free memory was 137.3MB in the beginning and 133.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 62.08ms. Allocated memory is still 234.9MB. Free memory was 133.1MB in the beginning and 128.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 565.69ms. Allocated memory is still 234.9MB. Free memory was 128.8MB in the beginning and 137.0MB in the end (delta: -8.2MB). Peak memory consumption was 26.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3449.38ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 136.6MB in the beginning and 157.5MB in the end (delta: -20.9MB). Peak memory consumption was 28.2MB. 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 51 procedures, 205 locations, 326 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 10133 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8352 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1781 mSDtfsCounter, 379 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=7, InterpolantAutomatonStates: 61, 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, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 1560 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 17:24:56,822 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
