./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_4_no_adts_000.smt2 .


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:37,039 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:37,091 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df34415a-7811-48dc-ab42-749d042d8e87/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:37,095 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:37,096 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:37,115 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:37,115 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:37,115 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:37,116 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:37,116 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:37,116 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:37,116 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:37,116 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:37,116 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:37,117 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:37,117 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:37,117 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:37,118 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:37,118 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:37,118 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:37,325 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:37,331 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:37,332 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:37,333 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:37,333 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:37,334 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df34415a-7811-48dc-ab42-749d042d8e87/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_4_no_adts_000.smt2
[2025-05-07 17:28:37,335 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:37,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:37,601 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df34415a-7811-48dc-ab42-749d042d8e87/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/base_contract_assertion_fail_4.sol_4_no_adts_000.smt2
[2025-05-07 17:28:37,603 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:37,604 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:37,605 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:37,605 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:37,605 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:37,607 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,648 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37 Unit
[2025-05-07 17:28:37,648 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:37,649 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:37,649 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:37,649 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:37,660 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,660 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,684 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,684 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,691 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,692 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,694 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,696 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,698 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,710 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:37,711 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:37,711 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:37,711 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:37,712 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (1/1) ...
[2025-05-07 17:28:37,714 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:37,723 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:37,733 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:37,735 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:37,745 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:37,745 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:37,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:37,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_13_0 given in one single declaration
[2025-05-07 17:28:37,746 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_13_0
[2025-05-07 17:28:37,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_13_0
[2025-05-07 17:28:37,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_17_C_93_0 given in one single declaration
[2025-05-07 17:28:37,746 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_17_C_93_0
[2025-05-07 17:28:37,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_17_C_93_0
[2025-05-07 17:28:37,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_19_C_93_0 given in one single declaration
[2025-05-07 17:28:37,746 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_19_C_93_0
[2025-05-07 17:28:37,746 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_19_C_93_0
[2025-05-07 17:28:37,746 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_113_A1_43_0 given in one single declaration
[2025-05-07 17:28:37,746 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:28:37,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_113_A1_43_0
[2025-05-07 17:28:37,747 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_115_A1_43_0 given in one single declaration
[2025-05-07 17:28:37,747 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:28:37,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_115_A1_43_0
[2025-05-07 17:28:37,747 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_114_A1_43_0 given in one single declaration
[2025-05-07 17:28:37,747 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:28:37,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_114_A1_43_0
[2025-05-07 17:28:37,747 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_110_C_93_0 given in one single declaration
[2025-05-07 17:28:37,747 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_110_C_93_0
[2025-05-07 17:28:37,747 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_110_C_93_0
[2025-05-07 17:28:37,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_112_C_93_0 given in one single declaration
[2025-05-07 17:28:37,748 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:28:37,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_112_C_93_0
[2025-05-07 17:28:37,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_111_C_93_0 given in one single declaration
[2025-05-07 17:28:37,748 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:28:37,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_111_C_93_0
[2025-05-07 17:28:37,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_116_B_56_0 given in one single declaration
[2025-05-07 17:28:37,748 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_116_B_56_0
[2025-05-07 17:28:37,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_116_B_56_0
[2025-05-07 17:28:37,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_118_B_56_0 given in one single declaration
[2025-05-07 17:28:37,748 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:28:37,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_118_B_56_0
[2025-05-07 17:28:37,748 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_117_B_56_0 given in one single declaration
[2025-05-07 17:28:37,748 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:28:37,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_117_B_56_0
[2025-05-07 17:28:37,749 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_119_A_30_0 given in one single declaration
[2025-05-07 17:28:37,749 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_119_A_30_0
[2025-05-07 17:28:37,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_119_A_30_0
[2025-05-07 17:28:37,749 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_121_A_30_0 given in one single declaration
[2025-05-07 17:28:37,749 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:28:37,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_121_A_30_0
[2025-05-07 17:28:37,749 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_120_A_30_0 given in one single declaration
[2025-05-07 17:28:37,749 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:28:37,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_120_A_30_0
[2025-05-07 17:28:37,749 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_122_C_93_0 given in one single declaration
[2025-05-07 17:28:37,749 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:28:37,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_122_C_93_0
[2025-05-07 17:28:37,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_25_function_g__71_93_0 given in one single declaration
[2025-05-07 17:28:37,750 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_25_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_25_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_24_function_g__71_93_0 given in one single declaration
[2025-05-07 17:28:37,750 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_24_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_24_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_100_return_function_g__71_93_0 given in one single declaration
[2025-05-07 17:28:37,750 INFO  L130     BoogieDeclarations]: Found specification of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_100_return_function_g__71_93_0
[2025-05-07 17:28:37,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_99_g_70_93_0 given in one single declaration
[2025-05-07 17:28:37,750 INFO  L130     BoogieDeclarations]: Found specification of procedure block_99_g_70_93_0
[2025-05-07 17:28:37,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_99_g_70_93_0
[2025-05-07 17:28:37,750 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_98_function_g__71_93_0 given in one single declaration
[2025-05-07 17:28:37,751 INFO  L130     BoogieDeclarations]: Found specification of procedure block_98_function_g__71_93_0
[2025-05-07 17:28:37,751 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_98_function_g__71_93_0
[2025-05-07 17:28:37,751 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_101_function_f__83_93_0 given in one single declaration
[2025-05-07 17:28:37,751 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_101_function_f__83_93_0
[2025-05-07 17:28:37,751 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_101_function_f__83_93_0
[2025-05-07 17:28:37,751 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_26_function_f__83_93_0 given in one single declaration
[2025-05-07 17:28:37,751 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_26_function_f__83_93_0
[2025-05-07 17:28:37,751 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_26_function_f__83_93_0
[2025-05-07 17:28:37,751 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_106_function_f__42_93_0 given in one single declaration
[2025-05-07 17:28:37,751 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_106_function_f__42_93_0
[2025-05-07 17:28:37,751 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_106_function_f__42_93_0
[2025-05-07 17:28:37,751 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_22_function_f__42_93_0 given in one single declaration
[2025-05-07 17:28:37,751 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_22_function_f__42_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_22_function_f__42_93_0
[2025-05-07 17:28:37,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_91_f_41_93_0 given in one single declaration
[2025-05-07 17:28:37,752 INFO  L130     BoogieDeclarations]: Found specification of procedure block_91_f_41_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_91_f_41_93_0
[2025-05-07 17:28:37,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_90_function_f__42_93_0 given in one single declaration
[2025-05-07 17:28:37,752 INFO  L130     BoogieDeclarations]: Found specification of procedure block_90_function_f__42_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_90_function_f__42_93_0
[2025-05-07 17:28:37,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_93_function_f__55_93_0 given in one single declaration
[2025-05-07 17:28:37,752 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_93_function_f__55_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_93_function_f__55_93_0
[2025-05-07 17:28:37,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_23_function_f__55_93_0 given in one single declaration
[2025-05-07 17:28:37,752 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_23_function_f__55_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_23_function_f__55_93_0
[2025-05-07 17:28:37,752 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_95_f_54_93_0 given in one single declaration
[2025-05-07 17:28:37,752 INFO  L130     BoogieDeclarations]: Found specification of procedure block_95_f_54_93_0
[2025-05-07 17:28:37,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_95_f_54_93_0
[2025-05-07 17:28:37,753 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_94_function_f__55_93_0 given in one single declaration
[2025-05-07 17:28:37,753 INFO  L130     BoogieDeclarations]: Found specification of procedure block_94_function_f__55_93_0
[2025-05-07 17:28:37,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_94_function_f__55_93_0
[2025-05-07 17:28:37,753 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_97_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,753 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_97_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_97_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_20_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,753 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_20_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_20_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_86_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,753 INFO  L130     BoogieDeclarations]: Found specification of procedure block_86_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_86_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_83_return_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,753 INFO  L130     BoogieDeclarations]: Found specification of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:28:37,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_83_return_function_f__21_93_0
[2025-05-07 17:28:37,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_84_function_v__92_93_0 given in one single declaration
[2025-05-07 17:28:37,754 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_84_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_84_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_27_function_v__92_93_0 given in one single declaration
[2025-05-07 17:28:37,754 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_27_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_27_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_109_return_function_v__92_93_0 given in one single declaration
[2025-05-07 17:28:37,754 INFO  L130     BoogieDeclarations]: Found specification of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_109_return_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_108_v_91_93_0 given in one single declaration
[2025-05-07 17:28:37,754 INFO  L130     BoogieDeclarations]: Found specification of procedure block_108_v_91_93_0
[2025-05-07 17:28:37,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_108_v_91_93_0
[2025-05-07 17:28:37,754 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_107_function_v__92_93_0 given in one single declaration
[2025-05-07 17:28:37,754 INFO  L130     BoogieDeclarations]: Found specification of procedure block_107_function_v__92_93_0
[2025-05-07 17:28:37,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_107_function_v__92_93_0
[2025-05-07 17:28:37,755 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_82_f_20_93_0 given in one single declaration
[2025-05-07 17:28:37,755 INFO  L130     BoogieDeclarations]: Found specification of procedure block_82_f_20_93_0
[2025-05-07 17:28:37,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_82_f_20_93_0
[2025-05-07 17:28:37,755 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_81_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,755 INFO  L130     BoogieDeclarations]: Found specification of procedure block_81_function_f__21_93_0
[2025-05-07 17:28:37,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_81_function_f__21_93_0
[2025-05-07 17:28:37,755 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_85_function_f__21_93_0 given in one single declaration
[2025-05-07 17:28:37,755 INFO  L130     BoogieDeclarations]: Found specification of procedure block_85_function_f__21_93_0
[2025-05-07 17:28:37,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_85_function_f__21_93_0
[2025-05-07 17:28:37,755 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_96_return_function_f__55_93_0 given in one single declaration
[2025-05-07 17:28:37,755 INFO  L130     BoogieDeclarations]: Found specification of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:28:37,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_96_return_function_f__55_93_0
[2025-05-07 17:28:37,755 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_92_return_function_f__42_93_0 given in one single declaration
[2025-05-07 17:28:37,755 INFO  L130     BoogieDeclarations]: Found specification of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:28:37,755 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_92_return_function_f__42_93_0
[2025-05-07 17:28:37,756 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_104_f_82_93_0 given in one single declaration
[2025-05-07 17:28:37,756 INFO  L130     BoogieDeclarations]: Found specification of procedure block_104_f_82_93_0
[2025-05-07 17:28:37,756 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_104_f_82_93_0
[2025-05-07 17:28:37,756 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_103_function_f__83_93_0 given in one single declaration
[2025-05-07 17:28:37,756 INFO  L130     BoogieDeclarations]: Found specification of procedure block_103_function_f__83_93_0
[2025-05-07 17:28:37,756 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_103_function_f__83_93_0
[2025-05-07 17:28:37,756 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_105_return_function_f__83_93_0 given in one single declaration
[2025-05-07 17:28:37,756 INFO  L130     BoogieDeclarations]: Found specification of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:28:37,756 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_105_return_function_f__83_93_0
[2025-05-07 17:28:37,756 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_102_function_g__71_93_0 given in one single declaration
[2025-05-07 17:28:37,756 INFO  L130     BoogieDeclarations]: Found specification of procedure block_102_function_g__71_93_0
[2025-05-07 17:28:37,756 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_102_function_g__71_93_0
[2025-05-07 17:28:37,756 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:37,756 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:37,757 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:38,004 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:38,006 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:38,286 INFO  L?                        ?]: Removed 372 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:38,286 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:38,298 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:38,298 INFO  L312             CfgBuilder]: Removed 29 assume(true) statements.
[2025-05-07 17:28:38,298 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:38 BoogieIcfgContainer
[2025-05-07 17:28:38,298 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:38,300 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:38,300 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:38,303 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:38,303 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:37" (1/3) ...
[2025-05-07 17:28:38,304 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a8fb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:38, skipping insertion in model container
[2025-05-07 17:28:38,304 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:37" (2/3) ...
[2025-05-07 17:28:38,304 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a8fb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:38, skipping insertion in model container
[2025-05-07 17:28:38,304 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:38" (3/3) ...
[2025-05-07 17:28:38,305 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:38,315 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:38,317 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 17:28:38,348 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:38,356 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;@145173bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:38,356 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:38,359 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 17:28:38,369 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2025-05-07 17:28:38,369 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,370 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 17:28:38,370 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,374 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,374 INFO  L85        PathProgramCache]: Analyzing trace with hash 1096276379, now seen corresponding path program 1 times
[2025-05-07 17:28:38,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,381 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566426512]
[2025-05-07 17:28:38,381 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,447 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes.
[2025-05-07 17:28:38,548 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements.
[2025-05-07 17:28:38,548 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,548 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:38,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,793 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566426512]
[2025-05-07 17:28:38,793 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566426512] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:38,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84733404]
[2025-05-07 17:28:38,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,800 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:38,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,819 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:38,819 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:38,821 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 17:28:38,867 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,868 INFO  L93              Difference]: Finished difference Result 207 states and 248 transitions.
[2025-05-07 17:28:38,869 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:38,870 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 17:28:38,870 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,876 INFO  L225             Difference]: With dead ends: 207
[2025-05-07 17:28:38,876 INFO  L226             Difference]: Without dead ends: 191
[2025-05-07 17:28:38,878 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:38,880 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 17:28:38,880 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 17:28:38,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2025-05-07 17:28:38,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189.
[2025-05-07 17:28:38,908 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 17:28:38,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 212 transitions.
[2025-05-07 17:28:38,912 INFO  L79                 Accepts]: Start accepts. Automaton has 189 states and 212 transitions. Word has length 121
[2025-05-07 17:28:38,912 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:38,913 INFO  L485      AbstractCegarLoop]: Abstraction has 189 states and 212 transitions.
[2025-05-07 17:28:38,913 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 17:28:38,913 INFO  L278                IsEmpty]: Start isEmpty. Operand 189 states and 212 transitions.
[2025-05-07 17:28:38,915 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2025-05-07 17:28:38,915 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,915 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 17:28:38,915 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:38,916 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,916 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,916 INFO  L85        PathProgramCache]: Analyzing trace with hash 1139159872, now seen corresponding path program 1 times
[2025-05-07 17:28:38,916 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,916 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655797210]
[2025-05-07 17:28:38,917 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,917 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,984 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes.
[2025-05-07 17:28:39,021 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements.
[2025-05-07 17:28:39,021 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,022 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:39,197 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,197 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655797210]
[2025-05-07 17:28:39,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655797210] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,197 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,197 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:39,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406249599]
[2025-05-07 17:28:39,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,198 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:39,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,199 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:39,199 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:39,199 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 17:28:39,280 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,280 INFO  L93              Difference]: Finished difference Result 189 states and 211 transitions.
[2025-05-07 17:28:39,281 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:39,281 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 17:28:39,281 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,283 INFO  L225             Difference]: With dead ends: 189
[2025-05-07 17:28:39,283 INFO  L226             Difference]: Without dead ends: 187
[2025-05-07 17:28:39,283 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 17:28:39,284 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 17:28:39,284 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 17:28:39,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2025-05-07 17:28:39,293 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187.
[2025-05-07 17:28:39,293 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 17:28:39,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 207 transitions.
[2025-05-07 17:28:39,295 INFO  L79                 Accepts]: Start accepts. Automaton has 187 states and 207 transitions. Word has length 151
[2025-05-07 17:28:39,295 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,295 INFO  L485      AbstractCegarLoop]: Abstraction has 187 states and 207 transitions.
[2025-05-07 17:28:39,295 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 17:28:39,295 INFO  L278                IsEmpty]: Start isEmpty. Operand 187 states and 207 transitions.
[2025-05-07 17:28:39,297 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:28:39,297 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,297 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 17:28:39,297 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:39,297 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,298 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,298 INFO  L85        PathProgramCache]: Analyzing trace with hash 1232092449, now seen corresponding path program 1 times
[2025-05-07 17:28:39,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,298 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125141553]
[2025-05-07 17:28:39,298 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:39,358 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:28:39,369 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:28:39,369 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,370 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:39,617 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,617 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125141553]
[2025-05-07 17:28:39,617 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125141553] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,617 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,617 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:39,617 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409889228]
[2025-05-07 17:28:39,617 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,618 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:39,618 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,619 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:39,619 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:39,619 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 17:28:39,663 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,663 INFO  L93              Difference]: Finished difference Result 185 states and 204 transitions.
[2025-05-07 17:28:39,664 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:39,664 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 17:28:39,665 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,666 INFO  L225             Difference]: With dead ends: 185
[2025-05-07 17:28:39,666 INFO  L226             Difference]: Without dead ends: 182
[2025-05-07 17:28:39,666 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:39,666 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 17:28:39,667 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 17:28:39,667 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2025-05-07 17:28:39,673 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2025-05-07 17:28:39,674 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 17:28:39,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 199 transitions.
[2025-05-07 17:28:39,675 INFO  L79                 Accepts]: Start accepts. Automaton has 182 states and 199 transitions. Word has length 154
[2025-05-07 17:28:39,675 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,675 INFO  L485      AbstractCegarLoop]: Abstraction has 182 states and 199 transitions.
[2025-05-07 17:28:39,676 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 17:28:39,676 INFO  L278                IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions.
[2025-05-07 17:28:39,677 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:28:39,677 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,677 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 17:28:39,677 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:39,677 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,678 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -2029517471, now seen corresponding path program 1 times
[2025-05-07 17:28:39,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,678 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972633684]
[2025-05-07 17:28:39,678 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,678 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:39,730 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:28:39,750 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:28:39,750 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,750 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:39,915 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,915 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972633684]
[2025-05-07 17:28:39,915 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972633684] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,915 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,916 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:39,916 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757529489]
[2025-05-07 17:28:39,916 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,916 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:39,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,917 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:39,917 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:39,917 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 17:28:39,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,958 INFO  L93              Difference]: Finished difference Result 188 states and 205 transitions.
[2025-05-07 17:28:39,958 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:39,959 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 17:28:39,959 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,960 INFO  L225             Difference]: With dead ends: 188
[2025-05-07 17:28:39,960 INFO  L226             Difference]: Without dead ends: 188
[2025-05-07 17:28:39,960 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:39,961 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 17:28:39,961 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 17:28:39,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2025-05-07 17:28:39,967 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186.
[2025-05-07 17:28:39,968 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 17:28:39,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 203 transitions.
[2025-05-07 17:28:39,969 INFO  L79                 Accepts]: Start accepts. Automaton has 186 states and 203 transitions. Word has length 154
[2025-05-07 17:28:39,969 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,969 INFO  L485      AbstractCegarLoop]: Abstraction has 186 states and 203 transitions.
[2025-05-07 17:28:39,969 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 17:28:39,969 INFO  L278                IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions.
[2025-05-07 17:28:39,970 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:28:39,970 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,971 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 17:28:39,971 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:39,971 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,971 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,971 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390587162, now seen corresponding path program 1 times
[2025-05-07 17:28:39,971 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,971 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677766510]
[2025-05-07 17:28:39,972 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,972 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:40,023 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:28:40,042 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:28:40,043 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:40,043 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:40,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:40,166 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:40,166 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677766510]
[2025-05-07 17:28:40,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677766510] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:40,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:40,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:40,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819153821]
[2025-05-07 17:28:40,167 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:40,167 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:40,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:40,168 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:40,168 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:40,168 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 17:28:40,211 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:40,211 INFO  L93              Difference]: Finished difference Result 192 states and 209 transitions.
[2025-05-07 17:28:40,211 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:40,211 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 17:28:40,212 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:40,213 INFO  L225             Difference]: With dead ends: 192
[2025-05-07 17:28:40,213 INFO  L226             Difference]: Without dead ends: 192
[2025-05-07 17:28:40,213 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:40,214 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 17:28:40,214 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 17:28:40,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2025-05-07 17:28:40,221 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190.
[2025-05-07 17:28:40,221 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 17:28:40,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 207 transitions.
[2025-05-07 17:28:40,222 INFO  L79                 Accepts]: Start accepts. Automaton has 190 states and 207 transitions. Word has length 157
[2025-05-07 17:28:40,222 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:40,222 INFO  L485      AbstractCegarLoop]: Abstraction has 190 states and 207 transitions.
[2025-05-07 17:28:40,223 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 17:28:40,223 INFO  L278                IsEmpty]: Start isEmpty. Operand 190 states and 207 transitions.
[2025-05-07 17:28:40,224 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2025-05-07 17:28:40,224 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:40,224 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 17:28:40,225 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:40,225 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:40,225 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:40,225 INFO  L85        PathProgramCache]: Analyzing trace with hash -1142004799, now seen corresponding path program 1 times
[2025-05-07 17:28:40,225 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:40,225 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403673019]
[2025-05-07 17:28:40,225 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:40,226 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:40,285 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes.
[2025-05-07 17:28:40,302 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements.
[2025-05-07 17:28:40,302 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:40,302 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:40,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:40,603 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:40,603 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403673019]
[2025-05-07 17:28:40,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403673019] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:40,604 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:40,604 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-05-07 17:28:40,604 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284189352]
[2025-05-07 17:28:40,604 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:40,604 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-05-07 17:28:40,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:40,605 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-05-07 17:28:40,605 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-05-07 17:28:40,606 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 17:28:40,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:40,788 INFO  L93              Difference]: Finished difference Result 203 states and 223 transitions.
[2025-05-07 17:28:40,788 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:28:40,788 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 17:28:40,789 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:40,789 INFO  L225             Difference]: With dead ends: 203
[2025-05-07 17:28:40,789 INFO  L226             Difference]: Without dead ends: 203
[2025-05-07 17:28:40,790 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 17:28:40,790 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 17:28:40,790 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 17:28:40,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2025-05-07 17:28:40,795 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2025-05-07 17:28:40,796 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 17:28:40,797 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 223 transitions.
[2025-05-07 17:28:40,797 INFO  L79                 Accepts]: Start accepts. Automaton has 203 states and 223 transitions. Word has length 154
[2025-05-07 17:28:40,797 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:40,797 INFO  L485      AbstractCegarLoop]: Abstraction has 203 states and 223 transitions.
[2025-05-07 17:28:40,798 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 17:28:40,798 INFO  L278                IsEmpty]: Start isEmpty. Operand 203 states and 223 transitions.
[2025-05-07 17:28:40,799 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2025-05-07 17:28:40,799 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:40,799 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 17:28:40,799 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:40,799 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:40,800 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:40,800 INFO  L85        PathProgramCache]: Analyzing trace with hash 1980309560, now seen corresponding path program 1 times
[2025-05-07 17:28:40,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:40,800 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868000262]
[2025-05-07 17:28:40,800 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:40,800 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:40,845 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes.
[2025-05-07 17:28:40,861 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements.
[2025-05-07 17:28:40,862 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:40,862 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:40,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:40,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:40,980 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868000262]
[2025-05-07 17:28:40,980 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868000262] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:40,980 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:40,981 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:40,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707479027]
[2025-05-07 17:28:40,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:40,981 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:40,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:40,982 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:40,982 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:40,982 INFO  L87              Difference]: Start difference. First operand 203 states and 223 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 17:28:41,024 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:41,024 INFO  L93              Difference]: Finished difference Result 203 states and 222 transitions.
[2025-05-07 17:28:41,025 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:41,025 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 17:28:41,025 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:41,026 INFO  L225             Difference]: With dead ends: 203
[2025-05-07 17:28:41,026 INFO  L226             Difference]: Without dead ends: 203
[2025-05-07 17:28:41,027 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:41,027 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 17:28:41,027 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 17:28:41,028 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2025-05-07 17:28:41,033 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2025-05-07 17:28:41,034 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, (73), 66 states have call predecessors, (73), 61 states have call successors, (73)
[2025-05-07 17:28:41,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 222 transitions.
[2025-05-07 17:28:41,035 INFO  L79                 Accepts]: Start accepts. Automaton has 203 states and 222 transitions. Word has length 160
[2025-05-07 17:28:41,035 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:41,035 INFO  L485      AbstractCegarLoop]: Abstraction has 203 states and 222 transitions.
[2025-05-07 17:28:41,035 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 17:28:41,036 INFO  L278                IsEmpty]: Start isEmpty. Operand 203 states and 222 transitions.
[2025-05-07 17:28:41,037 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:28:41,037 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:41,037 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 17:28:41,037 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:41,037 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:41,037 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:41,037 INFO  L85        PathProgramCache]: Analyzing trace with hash 663931997, now seen corresponding path program 1 times
[2025-05-07 17:28:41,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:41,038 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522579470]
[2025-05-07 17:28:41,038 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:41,038 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:41,080 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:28:41,095 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:28:41,095 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:41,095 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:41,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:41,199 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:41,199 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522579470]
[2025-05-07 17:28:41,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522579470] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:41,199 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:41,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:41,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038471071]
[2025-05-07 17:28:41,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:41,200 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:41,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:41,201 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:41,201 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:41,201 INFO  L87              Difference]: Start difference. First operand 203 states and 222 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 17:28:41,242 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:41,242 INFO  L93              Difference]: Finished difference Result 202 states and 219 transitions.
[2025-05-07 17:28:41,242 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:41,243 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 17:28:41,243 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:41,245 INFO  L225             Difference]: With dead ends: 202
[2025-05-07 17:28:41,245 INFO  L226             Difference]: Without dead ends: 202
[2025-05-07 17:28:41,245 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:41,245 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 17:28:41,245 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 17:28:41,246 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2025-05-07 17:28:41,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202.
[2025-05-07 17:28:41,253 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 17:28:41,255 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 219 transitions.
[2025-05-07 17:28:41,255 INFO  L79                 Accepts]: Start accepts. Automaton has 202 states and 219 transitions. Word has length 157
[2025-05-07 17:28:41,255 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:41,255 INFO  L485      AbstractCegarLoop]: Abstraction has 202 states and 219 transitions.
[2025-05-07 17:28:41,255 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 17:28:41,255 INFO  L278                IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions.
[2025-05-07 17:28:41,257 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2025-05-07 17:28:41,257 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:41,257 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 17:28:41,257 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:28:41,257 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:41,258 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:41,258 INFO  L85        PathProgramCache]: Analyzing trace with hash -1556833755, now seen corresponding path program 1 times
[2025-05-07 17:28:41,258 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:41,258 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739923700]
[2025-05-07 17:28:41,258 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:41,258 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:41,304 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes.
[2025-05-07 17:28:41,318 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements.
[2025-05-07 17:28:41,318 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:41,318 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:41,437 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:41,437 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:41,437 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739923700]
[2025-05-07 17:28:41,437 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739923700] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:41,437 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:41,437 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:41,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736917811]
[2025-05-07 17:28:41,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:41,438 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:41,438 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:41,439 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:41,439 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:41,439 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 17:28:41,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:41,461 INFO  L93              Difference]: Finished difference Result 142 states and 155 transitions.
[2025-05-07 17:28:41,461 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:41,462 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 17:28:41,462 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:41,462 INFO  L225             Difference]: With dead ends: 142
[2025-05-07 17:28:41,462 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:41,462 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:41,463 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 17:28:41,463 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 17:28:41,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:41,463 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:41,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:41,463 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:41,464 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157
[2025-05-07 17:28:41,464 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:41,464 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:41,464 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 17:28:41,464 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:41,464 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:41,466 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:41,466 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:28:41,469 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:41,470 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:41,473 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:41 BoogieIcfgContainer
[2025-05-07 17:28:41,473 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:41,473 INFO  L158              Benchmark]: Toolchain (without parser) took 3869.12ms. 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 166.0MB in the end (delta: -29.4MB). Peak memory consumption was 23.4MB. Max. memory is 33.6GB.
[2025-05-07 17:28:41,473 INFO  L158              Benchmark]: SmtParser took 0.23ms. Allocated memory is still 234.9MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:41,474 INFO  L158              Benchmark]: ChcToBoogie took 43.53ms. Allocated memory is still 234.9MB. Free memory was 136.6MB in the beginning and 132.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:41,474 INFO  L158              Benchmark]: Boogie Preprocessor took 62.02ms. Allocated memory is still 234.9MB. Free memory was 132.4MB in the beginning and 128.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:41,474 INFO  L158              Benchmark]: RCFGBuilder took 587.31ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 137.5MB in the end (delta: -9.4MB). Peak memory consumption was 27.5MB. Max. memory is 33.6GB.
[2025-05-07 17:28:41,474 INFO  L158              Benchmark]: TraceAbstraction took 3172.60ms. 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 166.0MB in the end (delta: -29.3MB). Peak memory consumption was 12.7MB. Max. memory is 33.6GB.
[2025-05-07 17:28:41,475 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.23ms. Allocated memory is still 234.9MB. Free memory is still 173.6MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 43.53ms. Allocated memory is still 234.9MB. Free memory was 136.6MB in the beginning and 132.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 62.02ms. Allocated memory is still 234.9MB. Free memory was 132.4MB in the beginning and 128.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 587.31ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 137.5MB in the end (delta: -9.4MB). Peak memory consumption was 27.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3172.60ms. 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 166.0MB in the end (delta: -29.3MB). Peak memory consumption was 12.7MB. 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: 3.1s, 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, 10125 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8346 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1779 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=205occurred in iteration=0, 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, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s 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 17:28:41,485 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
