./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_1_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:42,656 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:42,709 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458de5d7-5808-40b1-84b9-1272b4ff1fd3/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:42,712 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:42,713 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:42,730 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:42,730 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:42,730 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:42,731 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:42,731 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:42,731 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:42,731 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:42,731 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:42,731 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:42,732 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:42,732 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:42,732 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:42,733 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:42,733 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:42,733 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:42,929 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:42,935 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:42,937 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:42,938 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:42,938 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:42,939 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458de5d7-5808-40b1-84b9-1272b4ff1fd3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_1_no_adts_000.smt2
[2025-05-07 17:26:42,941 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:42,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:43,263 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_458de5d7-5808-40b1-84b9-1272b4ff1fd3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_1_no_adts_000.smt2
[2025-05-07 17:26:43,265 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:43,266 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:43,267 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:43,267 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:43,267 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:43,269 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,329 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43 Unit
[2025-05-07 17:26:43,329 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:43,330 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:43,330 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:43,330 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:43,345 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,345 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,376 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,376 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,387 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,389 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,391 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,395 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,398 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,415 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:43,415 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:43,416 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:43,416 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:43,416 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (1/1) ...
[2025-05-07 17:26:43,419 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:43,430 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:43,441 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:26:43,443 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:26:43,452 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:43,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:43,452 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_19_0 given in one single declaration
[2025-05-07 17:26:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_19_0
[2025-05-07 17:26:43,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_19_0
[2025-05-07 17:26:43,452 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_124_0 given in one single declaration
[2025-05-07 17:26:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_124_0
[2025-05-07 17:26:43,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_124_0
[2025-05-07 17:26:43,452 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_124_0 given in one single declaration
[2025-05-07 17:26:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_124_0
[2025-05-07 17:26:43,452 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_124_0
[2025-05-07 17:26:43,452 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_25_C_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_25_C_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_25_C_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_27_C_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_26_C_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_28_C_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__42_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__42_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__42_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__42_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__42_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__42_124_0
[2025-05-07 17:26:43,453 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__42_124_0 given in one single declaration
[2025-05-07 17:26:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__42_124_0
[2025-05-07 17:26:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__42_124_0
[2025-05-07 17:26:43,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_41_124_0 given in one single declaration
[2025-05-07 17:26:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_41_124_0
[2025-05-07 17:26:43,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_41_124_0
[2025-05-07 17:26:43,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__42_124_0 given in one single declaration
[2025-05-07 17:26:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__42_124_0
[2025-05-07 17:26:43,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__42_124_0
[2025-05-07 17:26:43,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_g__123_124_0
[2025-05-07 17:26:43,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_g__123_124_0
[2025-05-07 17:26:43,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__123_124_0
[2025-05-07 17:26:43,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__123_124_0
[2025-05-07 17:26:43,454 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:26:43,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_122_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_122_124_0
[2025-05-07 17:26:43,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_122_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__123_124_0
[2025-05-07 17:26:43,455 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__123_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__123_124_0
[2025-05-07 17:26:43,456 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__42_124_0 given in one single declaration
[2025-05-07 17:26:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:26:43,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:26:43,457 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:43,457 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:43,665 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:43,667 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:44,045 INFO  L?                        ?]: Removed 441 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:44,046 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:44,059 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:44,059 INFO  L312             CfgBuilder]: Removed 20 assume(true) statements.
[2025-05-07 17:26:44,060 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:44 BoogieIcfgContainer
[2025-05-07 17:26:44,060 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:44,062 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:44,063 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:44,065 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:44,065 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:43" (1/3) ...
[2025-05-07 17:26:44,066 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ad4b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:44, skipping insertion in model container
[2025-05-07 17:26:44,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:43" (2/3) ...
[2025-05-07 17:26:44,066 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ad4b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:44, skipping insertion in model container
[2025-05-07 17:26:44,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:44" (3/3) ...
[2025-05-07 17:26:44,067 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:44,079 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:44,080 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 31 procedures, 121 locations, 198 edges, 31 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:44,113 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:44,123 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;@7314d3de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:44,123 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:44,127 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 121 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 57 states have internal predecessors, (57), 36 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 33 states have call predecessors, (47), 36 states have call successors, (47)
[2025-05-07 17:26:44,136 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:44,136 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:44,137 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:44,137 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:44,141 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:44,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 1650505651, now seen corresponding path program 1 times
[2025-05-07 17:26:44,147 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:44,148 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299158540]
[2025-05-07 17:26:44,148 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:44,148 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:44,199 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:44,279 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:44,280 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:44,280 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:44,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:44,548 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:44,548 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299158540]
[2025-05-07 17:26:44,549 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299158540] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:44,549 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:44,552 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:44,553 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470410206]
[2025-05-07 17:26:44,554 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:44,558 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:44,559 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:44,590 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:44,591 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:44,593 INFO  L87              Difference]: Start difference. First operand  has 121 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 57 states have internal predecessors, (57), 36 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 33 states have call predecessors, (47), 36 states have call successors, (47) Second operand  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:26:44,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:44,631 INFO  L93              Difference]: Finished difference Result 108 states and 128 transitions.
[2025-05-07 17:26:44,632 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:44,633 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 65
[2025-05-07 17:26:44,634 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:44,639 INFO  L225             Difference]: With dead ends: 108
[2025-05-07 17:26:44,639 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:26:44,641 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:44,643 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:44,644 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 365 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:44,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:26:44,676 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-05-07 17:26:44,677 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 44 states have internal predecessors, (44), 29 states have call successors, (35), 25 states have call predecessors, (35), 25 states have return successors, (35), 27 states have call predecessors, (35), 29 states have call successors, (35)
[2025-05-07 17:26:44,681 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions.
[2025-05-07 17:26:44,682 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 65
[2025-05-07 17:26:44,682 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:44,682 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 114 transitions.
[2025-05-07 17:26:44,683 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:26:44,683 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions.
[2025-05-07 17:26:44,684 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:44,684 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:44,685 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:44,685 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:44,685 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:44,685 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:44,685 INFO  L85        PathProgramCache]: Analyzing trace with hash -1176218495, now seen corresponding path program 1 times
[2025-05-07 17:26:44,685 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:44,686 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695948751]
[2025-05-07 17:26:44,686 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:44,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:44,723 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:44,753 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:44,753 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:44,753 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:44,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:44,929 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:44,929 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695948751]
[2025-05-07 17:26:44,930 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695948751] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:44,930 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:44,930 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:44,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115805214]
[2025-05-07 17:26:44,930 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:44,931 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:44,931 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:44,932 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:44,932 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:44,932 INFO  L87              Difference]: Start difference. First operand 97 states and 114 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:45,024 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:45,024 INFO  L93              Difference]: Finished difference Result 107 states and 127 transitions.
[2025-05-07 17:26:45,024 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:45,024 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:26:45,025 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:45,026 INFO  L225             Difference]: With dead ends: 107
[2025-05-07 17:26:45,026 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:26:45,026 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:45,027 INFO  L437           NwaCegarLoop]: 121 mSDtfsCounter, 1 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:45,027 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 826 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:45,028 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:26:45,037 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2025-05-07 17:26:45,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 31 states have call successors, (37), 25 states have call predecessors, (37), 29 states have return successors, (42), 33 states have call predecessors, (42), 31 states have call successors, (42)
[2025-05-07 17:26:45,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:26:45,039 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:26:45,039 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:45,039 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:26:45,039 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:45,039 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:26:45,041 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:45,041 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:45,041 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:45,041 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:45,042 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:45,042 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:45,042 INFO  L85        PathProgramCache]: Analyzing trace with hash -1990583277, now seen corresponding path program 1 times
[2025-05-07 17:26:45,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:45,042 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987064984]
[2025-05-07 17:26:45,042 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:45,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:45,081 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:45,108 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:45,108 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:45,108 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:45,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:45,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:45,443 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987064984]
[2025-05-07 17:26:45,443 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987064984] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:45,443 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:45,443 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:45,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949400535]
[2025-05-07 17:26:45,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:45,444 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:45,444 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:45,445 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:45,445 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:45,445 INFO  L87              Difference]: Start difference. First operand 107 states and 127 transitions. Second operand  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:26:45,569 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:45,569 INFO  L93              Difference]: Finished difference Result 113 states and 133 transitions.
[2025-05-07 17:26:45,569 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:45,570 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 65
[2025-05-07 17:26:45,570 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:45,570 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:26:45,570 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:26:45,571 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:45,571 INFO  L437           NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:45,571 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 724 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:45,572 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:26:45,576 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111.
[2025-05-07 17:26:45,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:26:45,578 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:26:45,578 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:26:45,578 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:45,578 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:26:45,578 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:26:45,578 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:26:45,579 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:45,579 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:45,579 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:45,579 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:45,579 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:45,580 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:45,580 INFO  L85        PathProgramCache]: Analyzing trace with hash 1513535303, now seen corresponding path program 1 times
[2025-05-07 17:26:45,580 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:45,580 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615292492]
[2025-05-07 17:26:45,580 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:45,580 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:45,603 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:45,615 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:45,616 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:45,616 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:45,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:45,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:45,724 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615292492]
[2025-05-07 17:26:45,724 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615292492] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:45,724 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:45,724 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:45,724 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222519462]
[2025-05-07 17:26:45,724 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:45,725 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:45,725 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:45,725 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:45,725 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:45,726 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:45,798 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:45,798 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:26:45,799 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:45,799 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:26:45,799 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:45,801 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:26:45,801 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:26:45,801 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:45,802 INFO  L437           NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:45,802 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 776 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:45,803 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:26:45,811 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:26:45,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:26:45,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:26:45,812 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:26:45,812 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:45,813 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:26:45,813 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:45,813 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:26:45,815 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:45,815 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:45,815 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:45,815 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:26:45,815 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:45,815 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:45,816 INFO  L85        PathProgramCache]: Analyzing trace with hash -401142119, now seen corresponding path program 1 times
[2025-05-07 17:26:45,816 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:45,816 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839130665]
[2025-05-07 17:26:45,816 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:45,816 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:45,850 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:45,868 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:45,868 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:45,868 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:46,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:46,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:46,176 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839130665]
[2025-05-07 17:26:46,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839130665] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:46,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:46,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:46,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778329124]
[2025-05-07 17:26:46,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:46,176 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:46,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:46,177 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:46,177 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:46,177 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:46,218 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:46,218 INFO  L93              Difference]: Finished difference Result 117 states and 137 transitions.
[2025-05-07 17:26:46,218 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:46,218 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:26:46,219 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:46,219 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:26:46,219 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:26:46,219 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:46,220 INFO  L437           NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:46,220 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 557 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:46,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:26:46,225 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111.
[2025-05-07 17:26:46,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:26:46,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:26:46,226 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:26:46,226 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:46,226 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:26:46,226 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:46,227 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:26:46,227 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:46,227 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:46,227 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:46,227 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:26:46,227 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:46,228 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:46,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 562298159, now seen corresponding path program 1 times
[2025-05-07 17:26:46,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:46,228 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924443176]
[2025-05-07 17:26:46,228 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:46,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:46,263 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:46,283 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:46,283 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:46,283 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:46,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:46,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:46,430 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924443176]
[2025-05-07 17:26:46,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924443176] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:46,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:46,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:46,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787561417]
[2025-05-07 17:26:46,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:46,431 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:46,431 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:46,432 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:46,432 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:46,432 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:46,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:46,502 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:26:46,502 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:46,502 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:26:46,502 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:46,503 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:26:46,503 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:26:46,503 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:46,504 INFO  L437           NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:46,504 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 782 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:46,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:26:46,509 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:26:46,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:26:46,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:26:46,510 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:26:46,510 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:46,510 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:26:46,510 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:46,510 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:26:46,511 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:46,511 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:46,511 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:46,511 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:26:46,511 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:46,511 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:46,511 INFO  L85        PathProgramCache]: Analyzing trace with hash -1224837195, now seen corresponding path program 1 times
[2025-05-07 17:26:46,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:46,512 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405285161]
[2025-05-07 17:26:46,512 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:46,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:46,545 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:46,562 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:46,562 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:46,562 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:46,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:46,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:46,721 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405285161]
[2025-05-07 17:26:46,721 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405285161] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:46,721 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:46,721 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:46,721 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307457428]
[2025-05-07 17:26:46,721 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:46,721 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:46,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:46,722 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:46,722 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:46,722 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:46,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:46,789 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:26:46,790 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:46,790 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:26:46,790 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:46,791 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:26:46,791 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:26:46,792 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:46,792 INFO  L437           NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:46,793 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 788 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:46,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:26:46,801 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:26:46,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 50 states have internal predecessors, (50), 31 states have call successors, (37), 25 states have call predecessors, (37), 31 states have return successors, (44), 35 states have call predecessors, (44), 31 states have call successors, (44)
[2025-05-07 17:26:46,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:26:46,803 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:26:46,803 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:46,803 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:26:46,803 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:46,803 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:26:46,805 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:46,805 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:46,805 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:46,805 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:26:46,805 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:46,806 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:46,806 INFO  L85        PathProgramCache]: Analyzing trace with hash -1068441597, now seen corresponding path program 1 times
[2025-05-07 17:26:46,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:46,806 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149738595]
[2025-05-07 17:26:46,806 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:46,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:46,844 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:46,855 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:46,855 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:46,855 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:46,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:46,962 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:46,962 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149738595]
[2025-05-07 17:26:46,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149738595] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:46,962 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:46,962 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:46,962 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662753448]
[2025-05-07 17:26:46,962 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:46,962 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:46,962 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:46,963 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:46,963 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:46,963 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:47,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:47,030 INFO  L93              Difference]: Finished difference Result 116 states and 137 transitions.
[2025-05-07 17:26:47,031 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:47,031 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 65
[2025-05-07 17:26:47,031 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:47,032 INFO  L225             Difference]: With dead ends: 116
[2025-05-07 17:26:47,032 INFO  L226             Difference]: Without dead ends: 116
[2025-05-07 17:26:47,032 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:47,033 INFO  L437           NwaCegarLoop]: 121 mSDtfsCounter, 1 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:47,033 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 826 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:47,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2025-05-07 17:26:47,040 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106.
[2025-05-07 17:26:47,041 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 48 states have internal predecessors, (48), 30 states have call successors, (36), 25 states have call predecessors, (36), 29 states have return successors, (40), 32 states have call predecessors, (40), 30 states have call successors, (40)
[2025-05-07 17:26:47,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions.
[2025-05-07 17:26:47,042 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 65
[2025-05-07 17:26:47,042 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:47,042 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 124 transitions.
[2025-05-07 17:26:47,042 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 6 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)
[2025-05-07 17:26:47,043 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions.
[2025-05-07 17:26:47,044 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:47,044 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:47,044 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:47,044 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:26:47,044 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:47,044 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:47,045 INFO  L85        PathProgramCache]: Analyzing trace with hash 692219003, now seen corresponding path program 1 times
[2025-05-07 17:26:47,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:47,045 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877552026]
[2025-05-07 17:26:47,045 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:47,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:47,081 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:47,096 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:47,096 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:47,096 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:47,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:26:47,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:47,176 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877552026]
[2025-05-07 17:26:47,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877552026] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:47,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:47,176 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:47,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698472360]
[2025-05-07 17:26:47,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:47,176 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:47,176 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:47,177 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:47,177 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:47,177 INFO  L87              Difference]: Start difference. First operand 106 states and 124 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:26:47,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:47,201 INFO  L93              Difference]: Finished difference Result 76 states and 90 transitions.
[2025-05-07 17:26:47,202 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:47,202 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:26:47,202 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:47,202 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:26:47,202 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:47,202 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:47,203 INFO  L437           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:47,203 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 408 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:47,204 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:47,204 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:47,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:26:47,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:47,204 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:26:47,204 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:47,204 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:47,204 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:26:47,205 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:47,205 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:47,207 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:47,207 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:26:47,210 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:47,213 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:47,216 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:47 BoogieIcfgContainer
[2025-05-07 17:26:47,216 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:47,216 INFO  L158              Benchmark]: Toolchain (without parser) took 3950.23ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 121.4MB in the beginning and 109.6MB in the end (delta: 11.8MB). Peak memory consumption was 66.3MB. Max. memory is 33.6GB.
[2025-05-07 17:26:47,217 INFO  L158              Benchmark]: SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:47,217 INFO  L158              Benchmark]: ChcToBoogie took 63.03ms. Allocated memory is still 234.9MB. Free memory was 121.4MB in the beginning and 191.0MB in the end (delta: -69.6MB). Peak memory consumption was 23.4MB. Max. memory is 33.6GB.
[2025-05-07 17:26:47,217 INFO  L158              Benchmark]: Boogie Preprocessor took 84.69ms. Allocated memory is still 234.9MB. Free memory was 191.0MB in the beginning and 186.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:47,217 INFO  L158              Benchmark]: RCFGBuilder took 644.46ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 186.5MB in the beginning and 252.0MB in the end (delta: -65.6MB). Peak memory consumption was 92.0MB. Max. memory is 33.6GB.
[2025-05-07 17:26:47,218 INFO  L158              Benchmark]: TraceAbstraction took 3153.42ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 252.0MB in the beginning and 109.6MB in the end (delta: 142.5MB). Peak memory consumption was 120.0MB. Max. memory is 33.6GB.
[2025-05-07 17:26:47,219 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 63.03ms. Allocated memory is still 234.9MB. Free memory was 121.4MB in the beginning and 191.0MB in the end (delta: -69.6MB). Peak memory consumption was 23.4MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 84.69ms. Allocated memory is still 234.9MB. Free memory was 191.0MB in the beginning and 186.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 644.46ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 186.5MB in the beginning and 252.0MB in the end (delta: -65.6MB). Peak memory consumption was 92.0MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3153.42ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 252.0MB in the beginning and 109.6MB in the end (delta: 142.5MB). Peak memory consumption was 120.0MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 31 procedures, 121 locations, 198 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6052 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5039 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1013 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 50 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:26:47,232 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
