./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-194.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:21,023 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:21,135 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d774f-a46a-4ade-802b-5d7d6b9b1a2b/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:21,142 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:21,143 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:21,182 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:21,184 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:21,184 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:21,185 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:21,186 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:21,186 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:21,186 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:21,186 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:21,187 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:21,187 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:21,187 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:21,187 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:21,187 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:21,187 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:21,187 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:21,187 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:21,188 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:21,188 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:21,189 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:21,190 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:21,190 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:21,191 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:21,569 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:21,582 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:21,584 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:21,586 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:21,588 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:21,589 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d774f-a46a-4ade-802b-5d7d6b9b1a2b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-194.smt2
[2025-04-28 21:21:21,592 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:21,596 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:22,156 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f3d774f-a46a-4ade-802b-5d7d6b9b1a2b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-194.smt2
[2025-04-28 21:21:22,160 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:22,162 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:22,163 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:22,163 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:22,164 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:22,167 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,240 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22 Unit
[2025-04-28 21:21:22,240 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:22,241 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:22,241 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:22,241 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:22,264 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,264 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,326 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,326 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,344 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,346 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,350 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,354 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,356 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,385 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:22,386 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:22,386 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:22,386 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:22,390 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:22,393 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:22,416 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:22,431 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)
[2025-04-28 21:21:22,437 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-04-28 21:21:22,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:22,453 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:22,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:22,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_13_0 given in one single declaration
[2025-04-28 21:21:22,454 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_13_0
[2025-04-28 21:21:22,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_13_0
[2025-04-28 21:21:22,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_18_function_g__56_66_0 given in one single declaration
[2025-04-28 21:21:22,455 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_18_function_g__56_66_0
[2025-04-28 21:21:22,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_18_function_g__56_66_0
[2025-04-28 21:21:22,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_17_function_g__56_66_0 given in one single declaration
[2025-04-28 21:21:22,455 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_17_function_g__56_66_0
[2025-04-28 21:21:22,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_17_function_g__56_66_0
[2025-04-28 21:21:22,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_67_g_55_66_0 given in one single declaration
[2025-04-28 21:21:22,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_67_g_55_66_0
[2025-04-28 21:21:22,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_67_g_55_66_0
[2025-04-28 21:21:22,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_66_function_g__56_66_0 given in one single declaration
[2025-04-28 21:21:22,457 INFO  L130     BoogieDeclarations]: Found specification of procedure block_66_function_g__56_66_0
[2025-04-28 21:21:22,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_66_function_g__56_66_0
[2025-04-28 21:21:22,457 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_69_function_f__42_66_0 given in one single declaration
[2025-04-28 21:21:22,457 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_69_function_f__42_66_0
[2025-04-28 21:21:22,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_69_function_f__42_66_0
[2025-04-28 21:21:22,457 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_16_function_f__42_66_0 given in one single declaration
[2025-04-28 21:21:22,457 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_16_function_f__42_66_0
[2025-04-28 21:21:22,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_16_function_f__42_66_0
[2025-04-28 21:21:22,457 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_64_return_function_f__42_66_0 given in one single declaration
[2025-04-28 21:21:22,458 INFO  L130     BoogieDeclarations]: Found specification of procedure block_64_return_function_f__42_66_0
[2025-04-28 21:21:22,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_64_return_function_f__42_66_0
[2025-04-28 21:21:22,459 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_65_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,459 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_65_function_f__21_66_0
[2025-04-28 21:21:22,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_65_function_f__21_66_0
[2025-04-28 21:21:22,459 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,459 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_function_f__21_66_0
[2025-04-28 21:21:22,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_function_f__21_66_0
[2025-04-28 21:21:22,460 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_55_return_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,460 INFO  L130     BoogieDeclarations]: Found specification of procedure block_55_return_function_f__21_66_0
[2025-04-28 21:21:22,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_55_return_function_f__21_66_0
[2025-04-28 21:21:22,460 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_54_f_20_66_0 given in one single declaration
[2025-04-28 21:21:22,460 INFO  L130     BoogieDeclarations]: Found specification of procedure block_54_f_20_66_0
[2025-04-28 21:21:22,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_54_f_20_66_0
[2025-04-28 21:21:22,460 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_53_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,460 INFO  L130     BoogieDeclarations]: Found specification of procedure block_53_function_f__21_66_0
[2025-04-28 21:21:22,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_53_function_f__21_66_0
[2025-04-28 21:21:22,460 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_56_function_v__65_66_0 given in one single declaration
[2025-04-28 21:21:22,460 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_56_function_v__65_66_0
[2025-04-28 21:21:22,460 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_56_function_v__65_66_0
[2025-04-28 21:21:22,460 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_19_function_v__65_66_0 given in one single declaration
[2025-04-28 21:21:22,461 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_19_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_19_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_73_return_function_v__65_66_0 given in one single declaration
[2025-04-28 21:21:22,461 INFO  L130     BoogieDeclarations]: Found specification of procedure block_73_return_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_73_return_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_72_v_64_66_0 given in one single declaration
[2025-04-28 21:21:22,461 INFO  L130     BoogieDeclarations]: Found specification of procedure block_72_v_64_66_0
[2025-04-28 21:21:22,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_72_v_64_66_0
[2025-04-28 21:21:22,461 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_71_function_v__65_66_0 given in one single declaration
[2025-04-28 21:21:22,461 INFO  L130     BoogieDeclarations]: Found specification of procedure block_71_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_71_function_v__65_66_0
[2025-04-28 21:21:22,461 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_57_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,461 INFO  L130     BoogieDeclarations]: Found specification of procedure block_57_function_f__21_66_0
[2025-04-28 21:21:22,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_57_function_f__21_66_0
[2025-04-28 21:21:22,462 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_58_function_f__21_66_0 given in one single declaration
[2025-04-28 21:21:22,463 INFO  L130     BoogieDeclarations]: Found specification of procedure block_58_function_f__21_66_0
[2025-04-28 21:21:22,463 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_58_function_f__21_66_0
[2025-04-28 21:21:22,463 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_63_f_41_66_0 given in one single declaration
[2025-04-28 21:21:22,465 INFO  L130     BoogieDeclarations]: Found specification of procedure block_63_f_41_66_0
[2025-04-28 21:21:22,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_63_f_41_66_0
[2025-04-28 21:21:22,465 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_62_function_f__42_66_0 given in one single declaration
[2025-04-28 21:21:22,465 INFO  L130     BoogieDeclarations]: Found specification of procedure block_62_function_f__42_66_0
[2025-04-28 21:21:22,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_62_function_f__42_66_0
[2025-04-28 21:21:22,466 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_68_return_function_g__56_66_0 given in one single declaration
[2025-04-28 21:21:22,466 INFO  L130     BoogieDeclarations]: Found specification of procedure block_68_return_function_g__56_66_0
[2025-04-28 21:21:22,466 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_68_return_function_g__56_66_0
[2025-04-28 21:21:22,466 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_70_function_g__56_66_0 given in one single declaration
[2025-04-28 21:21:22,466 INFO  L130     BoogieDeclarations]: Found specification of procedure block_70_function_g__56_66_0
[2025-04-28 21:21:22,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_70_function_g__56_66_0
[2025-04-28 21:21:22,467 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_11_C_66_0 given in one single declaration
[2025-04-28 21:21:22,467 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_11_C_66_0
[2025-04-28 21:21:22,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_11_C_66_0
[2025-04-28 21:21:22,468 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_13_C_66_0 given in one single declaration
[2025-04-28 21:21:22,468 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_13_C_66_0
[2025-04-28 21:21:22,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_13_C_66_0
[2025-04-28 21:21:22,468 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_83_C_66_0 given in one single declaration
[2025-04-28 21:21:22,468 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_83_C_66_0
[2025-04-28 21:21:22,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_83_C_66_0
[2025-04-28 21:21:22,469 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_77_B_43_0 given in one single declaration
[2025-04-28 21:21:22,469 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_77_B_43_0
[2025-04-28 21:21:22,469 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_77_B_43_0
[2025-04-28 21:21:22,469 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_79_B_43_0 given in one single declaration
[2025-04-28 21:21:22,469 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_79_B_43_0
[2025-04-28 21:21:22,469 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_79_B_43_0
[2025-04-28 21:21:22,469 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_78_B_43_0 given in one single declaration
[2025-04-28 21:21:22,470 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_78_B_43_0
[2025-04-28 21:21:22,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_78_B_43_0
[2025-04-28 21:21:22,470 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_80_A_30_0 given in one single declaration
[2025-04-28 21:21:22,470 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_80_A_30_0
[2025-04-28 21:21:22,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_80_A_30_0
[2025-04-28 21:21:22,470 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_82_A_30_0 given in one single declaration
[2025-04-28 21:21:22,470 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_82_A_30_0
[2025-04-28 21:21:22,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_82_A_30_0
[2025-04-28 21:21:22,470 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_81_A_30_0 given in one single declaration
[2025-04-28 21:21:22,470 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_81_A_30_0
[2025-04-28 21:21:22,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_81_A_30_0
[2025-04-28 21:21:22,471 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_74_C_66_0 given in one single declaration
[2025-04-28 21:21:22,471 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_74_C_66_0
[2025-04-28 21:21:22,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_74_C_66_0
[2025-04-28 21:21:22,471 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_76_C_66_0 given in one single declaration
[2025-04-28 21:21:22,471 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_76_C_66_0
[2025-04-28 21:21:22,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_76_C_66_0
[2025-04-28 21:21:22,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_75_C_66_0 given in one single declaration
[2025-04-28 21:21:22,472 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_75_C_66_0
[2025-04-28 21:21:22,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_75_C_66_0
[2025-04-28 21:21:22,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:22,473 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:22,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:22,777 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:22,780 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:23,324 INFO  L?                        ?]: Removed 284 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:23,324 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:23,344 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:23,344 INFO  L312             CfgBuilder]: Removed 21 assume(true) statements.
[2025-04-28 21:21:23,345 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:23 BoogieIcfgContainer
[2025-04-28 21:21:23,345 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:23,348 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:23,348 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:23,358 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:23,359 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:22" (1/3) ...
[2025-04-28 21:21:23,360 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f33127b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:23, skipping insertion in model container
[2025-04-28 21:21:23,360 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:22" (2/3) ...
[2025-04-28 21:21:23,361 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f33127b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:23, skipping insertion in model container
[2025-04-28 21:21:23,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:23" (3/3) ...
[2025-04-28 21:21:23,362 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:23,380 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:23,383 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 38 procedures, 152 locations, 239 edges, 38 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:23,475 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:23,492 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;@28e6363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:23,492 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:23,500 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 152 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 65 states have internal predecessors, (65), 56 states have call successors, (58), 37 states have call predecessors, (58), 37 states have return successors, (58), 49 states have call predecessors, (58), 56 states have call successors, (58)
[2025-04-28 21:21:23,521 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2025-04-28 21:21:23,521 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:23,522 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]
[2025-04-28 21:21:23,523 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:23,530 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:23,530 INFO  L85        PathProgramCache]: Analyzing trace with hash -630888816, now seen corresponding path program 1 times
[2025-04-28 21:21:23,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:23,537 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101243961]
[2025-04-28 21:21:23,537 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:23,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:23,649 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes.
[2025-04-28 21:21:23,690 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements.
[2025-04-28 21:21:23,691 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:23,692 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:24,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:24,254 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:24,254 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101243961]
[2025-04-28 21:21:24,255 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101243961] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:24,255 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:24,258 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:24,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653166402]
[2025-04-28 21:21:24,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:24,265 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:24,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:24,304 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:24,304 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:24,308 INFO  L87              Difference]: Start difference. First operand  has 152 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 65 states have internal predecessors, (65), 56 states have call successors, (58), 37 states have call predecessors, (58), 37 states have return successors, (58), 49 states have call predecessors, (58), 56 states have call successors, (58) Second operand  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 4 states have call successors, (26), 1 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26)
[2025-04-28 21:21:24,431 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:24,432 INFO  L93              Difference]: Finished difference Result 154 states and 183 transitions.
[2025-04-28 21:21:24,433 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:24,435 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 4 states have call successors, (26), 1 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 93
[2025-04-28 21:21:24,435 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:24,444 INFO  L225             Difference]: With dead ends: 154
[2025-04-28 21:21:24,445 INFO  L226             Difference]: Without dead ends: 143
[2025-04-28 21:21:24,447 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
[2025-04-28 21:21:24,450 INFO  L437           NwaCegarLoop]: 179 mSDtfsCounter, 1 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:24,451 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 521 Invalid, 4 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:24,488 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2025-04-28 21:21:24,572 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141.
[2025-04-28 21:21:24,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 141 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 60 states have internal predecessors, (60), 47 states have call successors, (49), 37 states have call predecessors, (49), 37 states have return successors, (49), 43 states have call predecessors, (49), 47 states have call successors, (49)
[2025-04-28 21:21:24,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 158 transitions.
[2025-04-28 21:21:24,588 INFO  L79                 Accepts]: Start accepts. Automaton has 141 states and 158 transitions. Word has length 93
[2025-04-28 21:21:24,592 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:24,592 INFO  L485      AbstractCegarLoop]: Abstraction has 141 states and 158 transitions.
[2025-04-28 21:21:24,592 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 4 states have call successors, (26), 1 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26)
[2025-04-28 21:21:24,593 INFO  L278                IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions.
[2025-04-28 21:21:24,598 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2025-04-28 21:21:24,601 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:24,601 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]
[2025-04-28 21:21:24,602 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:24,604 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:24,604 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:24,605 INFO  L85        PathProgramCache]: Analyzing trace with hash -728968386, now seen corresponding path program 1 times
[2025-04-28 21:21:24,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:24,605 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86195295]
[2025-04-28 21:21:24,605 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:24,606 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:24,734 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes.
[2025-04-28 21:21:24,842 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements.
[2025-04-28 21:21:24,843 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:24,843 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:25,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:25,286 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:25,286 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86195295]
[2025-04-28 21:21:25,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86195295] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:25,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:25,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-04-28 21:21:25,287 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924334906]
[2025-04-28 21:21:25,287 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:25,289 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-04-28 21:21:25,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:25,290 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-04-28 21:21:25,291 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-04-28 21:21:25,292 INFO  L87              Difference]: Start difference. First operand 141 states and 158 transitions. Second operand  has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (32), 1 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32)
[2025-04-28 21:21:25,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:25,465 INFO  L93              Difference]: Finished difference Result 140 states and 155 transitions.
[2025-04-28 21:21:25,466 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-04-28 21:21:25,466 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (32), 1 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32) Word has length 113
[2025-04-28 21:21:25,467 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:25,470 INFO  L225             Difference]: With dead ends: 140
[2025-04-28 21:21:25,471 INFO  L226             Difference]: Without dead ends: 139
[2025-04-28 21:21:25,471 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
[2025-04-28 21:21:25,473 INFO  L437           NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 879 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
[2025-04-28 21:21:25,473 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 879 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:25,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2025-04-28 21:21:25,492 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139.
[2025-04-28 21:21:25,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 59 states have internal predecessors, (59), 45 states have call successors, (47), 37 states have call predecessors, (47), 37 states have return successors, (47), 42 states have call predecessors, (47), 45 states have call successors, (47)
[2025-04-28 21:21:25,495 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 153 transitions.
[2025-04-28 21:21:25,497 INFO  L79                 Accepts]: Start accepts. Automaton has 139 states and 153 transitions. Word has length 113
[2025-04-28 21:21:25,497 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:25,499 INFO  L485      AbstractCegarLoop]: Abstraction has 139 states and 153 transitions.
[2025-04-28 21:21:25,499 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (32), 1 states have call predecessors, (32), 6 states have return successors, (32), 6 states have call predecessors, (32), 4 states have call successors, (32)
[2025-04-28 21:21:25,500 INFO  L278                IsEmpty]: Start isEmpty. Operand 139 states and 153 transitions.
[2025-04-28 21:21:25,501 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2025-04-28 21:21:25,505 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:25,505 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]
[2025-04-28 21:21:25,505 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-04-28 21:21:25,505 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:25,506 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:25,506 INFO  L85        PathProgramCache]: Analyzing trace with hash 2122172428, now seen corresponding path program 1 times
[2025-04-28 21:21:25,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:25,506 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107488646]
[2025-04-28 21:21:25,506 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:25,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:25,581 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.
[2025-04-28 21:21:25,642 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements.
[2025-04-28 21:21:25,643 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:25,643 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:26,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:26,215 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:26,215 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107488646]
[2025-04-28 21:21:26,215 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107488646] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:26,215 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:26,215 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-04-28 21:21:26,216 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70242743]
[2025-04-28 21:21:26,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:26,216 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-04-28 21:21:26,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:26,218 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-04-28 21:21:26,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-04-28 21:21:26,219 INFO  L87              Difference]: Start difference. First operand 139 states and 153 transitions. Second operand  has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (33), 10 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:26,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:26,448 INFO  L93              Difference]: Finished difference Result 152 states and 169 transitions.
[2025-04-28 21:21:26,449 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-04-28 21:21:26,449 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (33), 10 states have call predecessors, (33), 4 states have call successors, (33) Word has length 116
[2025-04-28 21:21:26,450 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:26,453 INFO  L225             Difference]: With dead ends: 152
[2025-04-28 21:21:26,457 INFO  L226             Difference]: Without dead ends: 152
[2025-04-28 21:21:26,457 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-04-28 21:21:26,458 INFO  L437           NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:26,458 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1413 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-04-28 21:21:26,459 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2025-04-28 21:21:26,477 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152.
[2025-04-28 21:21:26,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 152 states, 64 states have (on average 1.015625) internal successors, (65), 65 states have internal predecessors, (65), 46 states have call successors, (48), 37 states have call predecessors, (48), 43 states have return successors, (56), 49 states have call predecessors, (56), 46 states have call successors, (56)
[2025-04-28 21:21:26,481 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 169 transitions.
[2025-04-28 21:21:26,483 INFO  L79                 Accepts]: Start accepts. Automaton has 152 states and 169 transitions. Word has length 116
[2025-04-28 21:21:26,484 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:26,484 INFO  L485      AbstractCegarLoop]: Abstraction has 152 states and 169 transitions.
[2025-04-28 21:21:26,485 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 9 states have return successors, (33), 10 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:26,485 INFO  L278                IsEmpty]: Start isEmpty. Operand 152 states and 169 transitions.
[2025-04-28 21:21:26,487 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2025-04-28 21:21:26,490 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:26,490 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]
[2025-04-28 21:21:26,491 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-04-28 21:21:26,491 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:26,491 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:26,491 INFO  L85        PathProgramCache]: Analyzing trace with hash -756019028, now seen corresponding path program 1 times
[2025-04-28 21:21:26,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:26,492 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171543512]
[2025-04-28 21:21:26,492 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:26,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:26,569 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.
[2025-04-28 21:21:26,617 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements.
[2025-04-28 21:21:26,617 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:26,617 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:27,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:27,002 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:27,002 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171543512]
[2025-04-28 21:21:27,002 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171543512] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:27,002 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:27,002 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:27,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852278579]
[2025-04-28 21:21:27,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:27,005 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:27,005 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:27,006 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:27,006 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:27,006 INFO  L87              Difference]: Start difference. First operand 152 states and 169 transitions. Second operand  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:27,089 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:27,089 INFO  L93              Difference]: Finished difference Result 158 states and 175 transitions.
[2025-04-28 21:21:27,093 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:27,093 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33) Word has length 116
[2025-04-28 21:21:27,094 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:27,096 INFO  L225             Difference]: With dead ends: 158
[2025-04-28 21:21:27,096 INFO  L226             Difference]: Without dead ends: 158
[2025-04-28 21:21:27,096 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
[2025-04-28 21:21:27,099 INFO  L437           NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:27,100 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 734 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:27,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2025-04-28 21:21:27,124 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156.
[2025-04-28 21:21:27,125 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 156 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 67 states have internal predecessors, (67), 46 states have call successors, (48), 37 states have call predecessors, (48), 45 states have return successors, (58), 51 states have call predecessors, (58), 46 states have call successors, (58)
[2025-04-28 21:21:27,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 173 transitions.
[2025-04-28 21:21:27,129 INFO  L79                 Accepts]: Start accepts. Automaton has 156 states and 173 transitions. Word has length 116
[2025-04-28 21:21:27,130 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:27,130 INFO  L485      AbstractCegarLoop]: Abstraction has 156 states and 173 transitions.
[2025-04-28 21:21:27,130 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:27,132 INFO  L278                IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions.
[2025-04-28 21:21:27,134 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2025-04-28 21:21:27,134 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:27,134 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]
[2025-04-28 21:21:27,136 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-04-28 21:21:27,136 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:27,137 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:27,137 INFO  L85        PathProgramCache]: Analyzing trace with hash 899429516, now seen corresponding path program 1 times
[2025-04-28 21:21:27,137 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:27,137 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872355567]
[2025-04-28 21:21:27,137 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:27,138 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:27,215 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.
[2025-04-28 21:21:27,252 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements.
[2025-04-28 21:21:27,252 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:27,252 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:27,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:27,722 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:27,722 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872355567]
[2025-04-28 21:21:27,722 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872355567] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:27,722 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:27,722 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:27,722 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347199655]
[2025-04-28 21:21:27,723 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:27,723 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:27,723 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:27,724 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:27,725 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:27,725 INFO  L87              Difference]: Start difference. First operand 156 states and 173 transitions. Second operand  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:27,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:27,791 INFO  L93              Difference]: Finished difference Result 149 states and 163 transitions.
[2025-04-28 21:21:27,792 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:27,792 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 116
[2025-04-28 21:21:27,793 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:27,794 INFO  L225             Difference]: With dead ends: 149
[2025-04-28 21:21:27,796 INFO  L226             Difference]: Without dead ends: 147
[2025-04-28 21:21:27,797 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
[2025-04-28 21:21:27,798 INFO  L437           NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 708 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
[2025-04-28 21:21:27,798 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 708 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:27,799 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2025-04-28 21:21:27,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147.
[2025-04-28 21:21:27,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 147 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 63 states have internal predecessors, (63), 44 states have call successors, (45), 36 states have call predecessors, (45), 42 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52)
[2025-04-28 21:21:27,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions.
[2025-04-28 21:21:27,820 INFO  L79                 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 116
[2025-04-28 21:21:27,820 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:27,820 INFO  L485      AbstractCegarLoop]: Abstraction has 147 states and 160 transitions.
[2025-04-28 21:21:27,820 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:27,821 INFO  L278                IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions.
[2025-04-28 21:21:27,822 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2025-04-28 21:21:27,826 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:27,826 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]
[2025-04-28 21:21:27,826 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-04-28 21:21:27,826 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:27,827 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:27,827 INFO  L85        PathProgramCache]: Analyzing trace with hash 2021347103, now seen corresponding path program 1 times
[2025-04-28 21:21:27,827 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:27,827 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342719786]
[2025-04-28 21:21:27,827 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:27,828 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:27,901 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes.
[2025-04-28 21:21:27,941 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements.
[2025-04-28 21:21:27,942 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:27,942 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:28,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:28,174 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:28,175 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342719786]
[2025-04-28 21:21:28,175 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342719786] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:28,175 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:28,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:28,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143944029]
[2025-04-28 21:21:28,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:28,176 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:28,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:28,177 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:28,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:28,178 INFO  L87              Difference]: Start difference. First operand 147 states and 160 transitions. Second operand  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34)
[2025-04-28 21:21:28,243 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:28,243 INFO  L93              Difference]: Finished difference Result 146 states and 157 transitions.
[2025-04-28 21:21:28,244 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:28,244 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) Word has length 119
[2025-04-28 21:21:28,244 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:28,246 INFO  L225             Difference]: With dead ends: 146
[2025-04-28 21:21:28,248 INFO  L226             Difference]: Without dead ends: 146
[2025-04-28 21:21:28,248 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
[2025-04-28 21:21:28,249 INFO  L437           NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 710 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
[2025-04-28 21:21:28,251 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 710 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:28,252 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2025-04-28 21:21:28,267 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146.
[2025-04-28 21:21:28,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 146 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 63 states have internal predecessors, (63), 43 states have call successors, (44), 36 states have call predecessors, (44), 42 states have return successors, (50), 46 states have call predecessors, (50), 43 states have call successors, (50)
[2025-04-28 21:21:28,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 157 transitions.
[2025-04-28 21:21:28,268 INFO  L79                 Accepts]: Start accepts. Automaton has 146 states and 157 transitions. Word has length 119
[2025-04-28 21:21:28,269 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:28,269 INFO  L485      AbstractCegarLoop]: Abstraction has 146 states and 157 transitions.
[2025-04-28 21:21:28,269 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34)
[2025-04-28 21:21:28,269 INFO  L278                IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions.
[2025-04-28 21:21:28,275 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2025-04-28 21:21:28,275 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:28,275 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]
[2025-04-28 21:21:28,275 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-04-28 21:21:28,275 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:28,276 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:28,276 INFO  L85        PathProgramCache]: Analyzing trace with hash -1359269086, now seen corresponding path program 1 times
[2025-04-28 21:21:28,276 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:28,276 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680247147]
[2025-04-28 21:21:28,276 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:28,276 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:28,352 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes.
[2025-04-28 21:21:28,386 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements.
[2025-04-28 21:21:28,386 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:28,386 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:28,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:28,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:28,612 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680247147]
[2025-04-28 21:21:28,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680247147] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:28,612 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:28,612 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:28,612 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170012763]
[2025-04-28 21:21:28,612 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:28,613 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:28,613 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:28,614 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:28,614 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:28,614 INFO  L87              Difference]: Start difference. First operand 146 states and 157 transitions. Second operand  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34)
[2025-04-28 21:21:28,666 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:28,668 INFO  L93              Difference]: Finished difference Result 140 states and 151 transitions.
[2025-04-28 21:21:28,669 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:28,670 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34) Word has length 119
[2025-04-28 21:21:28,674 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:28,674 INFO  L225             Difference]: With dead ends: 140
[2025-04-28 21:21:28,675 INFO  L226             Difference]: Without dead ends: 0
[2025-04-28 21:21:28,675 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
[2025-04-28 21:21:28,675 INFO  L437           NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:28,675 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 687 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:28,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-04-28 21:21:28,676 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-04-28 21:21:28,676 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)
[2025-04-28 21:21:28,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-04-28 21:21:28,676 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119
[2025-04-28 21:21:28,676 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:28,676 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-04-28 21:21:28,677 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (34), 1 states have call predecessors, (34), 5 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34)
[2025-04-28 21:21:28,677 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-04-28 21:21:28,677 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-04-28 21:21:28,683 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-04-28 21:21:28,684 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-04-28 21:21:28,687 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:28,693 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-04-28 21:21:28,696 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:21:28 BoogieIcfgContainer
[2025-04-28 21:21:28,697 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-04-28 21:21:28,698 INFO  L158              Benchmark]: Toolchain (without parser) took 6536.18ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 144.6MB in the beginning and 189.0MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:28,698 INFO  L158              Benchmark]: SmtParser took 0.41ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:28,699 INFO  L158              Benchmark]: ChcToBoogie took 77.42ms. Allocated memory is still 234.9MB. Free memory was 144.6MB in the beginning and 141.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:28,700 INFO  L158              Benchmark]: Boogie Preprocessor took 144.26ms. Allocated memory is still 234.9MB. Free memory was 141.5MB in the beginning and 137.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:28,700 INFO  L158              Benchmark]: RCFGBuilder took 959.13ms. Allocated memory is still 234.9MB. Free memory was 137.6MB in the beginning and 88.5MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 33.6GB.
[2025-04-28 21:21:28,700 INFO  L158              Benchmark]: TraceAbstraction took 5349.44ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 87.8MB in the beginning and 189.0MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:28,702 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.41ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 77.42ms. Allocated memory is still 234.9MB. Free memory was 144.6MB in the beginning and 141.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 144.26ms. Allocated memory is still 234.9MB. Free memory was 141.5MB in the beginning and 137.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 959.13ms. Allocated memory is still 234.9MB. Free memory was 137.6MB in the beginning and 88.5MB in the end (delta: 49.0MB). Peak memory consumption was 50.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 5349.44ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 87.8MB in the beginning and 189.0MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 38 procedures, 152 locations, 239 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5652 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4586 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1066 mSDtfsCounter, 219 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-04-28 21:21:28,720 INFO  L540       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
sat
