./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:25,324 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:25,360 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a967ad-af08-4b91-8ce2-52d7340b8832/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:25,363 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:25,363 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:25,375 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:25,376 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:25,376 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:25,376 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:25,376 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:25,376 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:25,376 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:25,376 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:25,377 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:25,377 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:25,377 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:25,377 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:25,378 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:25,378 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:25,572 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:25,581 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:25,583 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:25,584 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:25,585 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:25,586 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a967ad-af08-4b91-8ce2-52d7340b8832/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_0_no_adts_000.smt2
[2025-05-07 17:25:25,587 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:25,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:25:25,963 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a967ad-af08-4b91-8ce2-52d7340b8832/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_0_no_adts_000.smt2
[2025-05-07 17:25:25,965 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:25:25,966 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:25:25,967 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:25:25,967 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:25:25,967 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:25:25,969 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:25" (1/1) ...
[2025-05-07 17:25:26,017 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26 Unit
[2025-05-07 17:25:26,017 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:25:26,018 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:25:26,018 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:25:26,018 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:25:26,029 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,029 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,051 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,051 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,059 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,060 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,062 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,064 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,066 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,079 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:25:26,080 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:25:26,080 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:25:26,080 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:25:26,080 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (1/1) ...
[2025-05-07 17:25:26,082 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:26,090 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:25:26,099 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 17:25:26,101 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 17:25:26,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:25:26,108 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:25:26,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:25:26,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_12_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_12_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_12_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_25_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_25_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_25_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_27_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_26_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_28_C_124_0 given in one single declaration
[2025-05-07 17:25:26,109 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:25:26,109 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:25:26,109 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__42_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__42_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__42_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_41_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_41_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_41_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__42_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__42_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_g__123_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_g__123_124_0
[2025-05-07 17:25:26,110 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,110 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__123_124_0
[2025-05-07 17:25:26,110 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_122_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_122_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_122_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,111 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__123_124_0
[2025-05-07 17:25:26,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__123_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__123_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__42_124_0 given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:25:26,112 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:25:26,112 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:25:26,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:25:26,339 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:25:26,340 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:25:26,694 INFO  L?                        ?]: Removed 441 outVars from TransFormulas that were not future-live.
[2025-05-07 17:25:26,694 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:25:26,707 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:25:26,708 INFO  L312             CfgBuilder]: Removed 20 assume(true) statements.
[2025-05-07 17:25:26,708 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:26 BoogieIcfgContainer
[2025-05-07 17:25:26,708 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:25:26,711 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:25:26,711 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:25:26,715 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:25:26,715 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:25" (1/3) ...
[2025-05-07 17:25:26,716 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29419eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:25:26, skipping insertion in model container
[2025-05-07 17:25:26,716 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:26" (2/3) ...
[2025-05-07 17:25:26,716 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29419eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:25:26, skipping insertion in model container
[2025-05-07 17:25:26,716 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:26" (3/3) ...
[2025-05-07 17:25:26,717 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:25:26,729 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:25:26,731 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 17:25:26,763 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:25:26,772 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;@5aa3e309, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:25:26,772 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:25:26,775 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 17:25:26,783 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:26,783 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:26,784 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 17:25:26,784 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:26,788 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:26,788 INFO  L85        PathProgramCache]: Analyzing trace with hash -306004111, now seen corresponding path program 1 times
[2025-05-07 17:25:26,794 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:26,794 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751442871]
[2025-05-07 17:25:26,794 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:26,795 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:26,852 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:26,953 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:26,954 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:26,954 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:27,297 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 17:25:27,298 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:27,298 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751442871]
[2025-05-07 17:25:27,299 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751442871] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:27,299 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:27,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:25:27,303 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554397326]
[2025-05-07 17:25:27,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:27,307 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:25:27,308 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:27,340 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:25:27,340 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:25:27,343 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 17:25:27,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:27,387 INFO  L93              Difference]: Finished difference Result 108 states and 128 transitions.
[2025-05-07 17:25:27,388 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:25:27,390 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 17:25:27,390 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:27,399 INFO  L225             Difference]: With dead ends: 108
[2025-05-07 17:25:27,399 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:25:27,402 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 17:25:27,404 INFO  L437           NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 367 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 17:25:27,405 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 367 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:27,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:25:27,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-05-07 17:25:27,447 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 17:25:27,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions.
[2025-05-07 17:25:27,452 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 65
[2025-05-07 17:25:27,453 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:27,453 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 114 transitions.
[2025-05-07 17:25:27,453 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 17:25:27,453 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions.
[2025-05-07 17:25:27,455 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:27,455 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:27,455 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 17:25:27,455 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:27,455 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:27,456 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:27,456 INFO  L85        PathProgramCache]: Analyzing trace with hash 1162239039, now seen corresponding path program 1 times
[2025-05-07 17:25:27,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:27,456 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402357818]
[2025-05-07 17:25:27,456 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:27,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:27,493 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:27,530 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:27,530 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:27,530 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:27,761 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 17:25:27,761 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:27,761 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402357818]
[2025-05-07 17:25:27,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402357818] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:27,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:27,761 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:27,761 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849348450]
[2025-05-07 17:25:27,761 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:27,762 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:27,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:27,763 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:27,763 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:27,763 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 17:25:27,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:27,861 INFO  L93              Difference]: Finished difference Result 107 states and 127 transitions.
[2025-05-07 17:25:27,862 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:27,862 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 17:25:27,862 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:27,864 INFO  L225             Difference]: With dead ends: 107
[2025-05-07 17:25:27,864 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:25:27,864 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 17:25:27,865 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:27,865 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 819 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:27,866 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:25:27,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2025-05-07 17:25:27,876 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 17:25:27,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:25:27,878 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:25:27,878 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:27,878 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:25:27,878 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 17:25:27,878 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:25:27,880 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:27,881 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:27,881 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 17:25:27,881 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:27,881 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:27,881 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:27,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 449203973, now seen corresponding path program 1 times
[2025-05-07 17:25:27,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:27,882 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776281224]
[2025-05-07 17:25:27,882 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:27,882 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:27,913 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:27,931 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:27,932 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:27,932 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:28,119 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 17:25:28,119 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:28,120 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776281224]
[2025-05-07 17:25:28,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776281224] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:28,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:28,120 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:28,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575824041]
[2025-05-07 17:25:28,120 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:28,120 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:28,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:28,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:28,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:28,121 INFO  L87              Difference]: Start difference. First operand 107 states and 127 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 17:25:28,199 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:28,200 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:25:28,200 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:28,200 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 17:25:28,200 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:28,202 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:25:28,202 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:25:28,202 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 17:25:28,203 INFO  L437           NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 763 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 17:25:28,203 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 763 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:28,204 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:25:28,211 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107.
[2025-05-07 17:25:28,211 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 17:25:28,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:25:28,212 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:25:28,213 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:28,213 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:25:28,213 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 17:25:28,213 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:25:28,214 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:28,214 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:28,215 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 17:25:28,215 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:28,215 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:28,215 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:28,215 INFO  L85        PathProgramCache]: Analyzing trace with hash 1113620339, now seen corresponding path program 1 times
[2025-05-07 17:25:28,215 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:28,215 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095434126]
[2025-05-07 17:25:28,216 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:28,216 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:28,253 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:28,276 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:28,276 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:28,276 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:28,399 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 17:25:28,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:28,399 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095434126]
[2025-05-07 17:25:28,399 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095434126] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:28,399 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:28,399 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:28,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022659352]
[2025-05-07 17:25:28,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:28,400 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:28,400 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:28,400 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:28,400 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:28,401 INFO  L87              Difference]: Start difference. First operand 107 states and 127 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 17:25:28,473 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:28,473 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:25:28,474 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:28,474 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 17:25:28,474 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:28,476 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:25:28,476 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:25:28,476 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 17:25:28,477 INFO  L437           NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 789 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 17:25:28,477 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 789 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:28,478 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:25:28,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107.
[2025-05-07 17:25:28,486 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 17:25:28,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:25:28,487 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:25:28,487 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:28,487 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:25:28,487 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 17:25:28,488 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:25:28,489 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:28,489 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:28,489 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 17:25:28,489 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:25:28,489 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:28,490 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:28,490 INFO  L85        PathProgramCache]: Analyzing trace with hash 1937315415, now seen corresponding path program 1 times
[2025-05-07 17:25:28,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:28,490 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391192324]
[2025-05-07 17:25:28,490 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:28,490 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:28,524 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:28,542 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:28,542 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:28,542 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:28,658 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 17:25:28,658 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:28,658 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391192324]
[2025-05-07 17:25:28,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391192324] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:28,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:28,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:28,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382840641]
[2025-05-07 17:25:28,659 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:28,659 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:28,659 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:28,659 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:28,659 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:28,659 INFO  L87              Difference]: Start difference. First operand 107 states and 127 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 17:25:28,729 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:28,729 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:25:28,730 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:28,730 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 17:25:28,730 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:28,731 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:25:28,731 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:25:28,731 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 17:25:28,731 INFO  L437           NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 801 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 17:25:28,732 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 801 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:28,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:25:28,737 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107.
[2025-05-07 17:25:28,737 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 17:25:28,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:25:28,738 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:25:28,738 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:28,738 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:25:28,738 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 17:25:28,738 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:25:28,739 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:28,739 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:28,739 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 17:25:28,739 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:25:28,739 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:28,740 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:28,740 INFO  L85        PathProgramCache]: Analyzing trace with hash 1270015937, now seen corresponding path program 1 times
[2025-05-07 17:25:28,740 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:28,740 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856536509]
[2025-05-07 17:25:28,740 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:28,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:28,765 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:28,778 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:28,778 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:28,778 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:28,926 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 17:25:28,926 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:28,926 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856536509]
[2025-05-07 17:25:28,927 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856536509] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:28,927 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:28,927 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:28,927 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798124682]
[2025-05-07 17:25:28,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:28,927 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:28,927 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:28,928 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:28,928 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:28,928 INFO  L87              Difference]: Start difference. First operand 107 states and 127 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 17:25:29,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:29,001 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:25:29,001 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:29,001 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 17:25:29,001 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:29,003 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:25:29,003 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:25:29,003 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 17:25:29,004 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 17:25:29,004 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 17:25:29,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:25:29,012 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107.
[2025-05-07 17:25:29,012 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 17:25:29,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:25:29,013 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:25:29,013 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:29,013 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:25:29,013 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 17:25:29,013 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:25:29,014 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:29,014 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:29,015 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 17:25:29,015 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:25:29,015 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:29,015 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:29,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 347874257, now seen corresponding path program 1 times
[2025-05-07 17:25:29,015 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:29,015 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898682375]
[2025-05-07 17:25:29,016 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:29,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:29,043 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:29,056 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:29,056 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:29,056 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:29,274 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 17:25:29,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:29,274 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898682375]
[2025-05-07 17:25:29,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898682375] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:29,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:29,274 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:29,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275469534]
[2025-05-07 17:25:29,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:29,275 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:29,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:29,275 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:29,275 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:29,275 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 17:25:29,394 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:29,394 INFO  L93              Difference]: Finished difference Result 113 states and 133 transitions.
[2025-05-07 17:25:29,395 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:29,395 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 17:25:29,395 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:29,396 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:25:29,396 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:25:29,397 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 17:25:29,397 INFO  L437           NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:29,397 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 620 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:29,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:25:29,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111.
[2025-05-07 17:25:29,405 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 17:25:29,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:25:29,406 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:25:29,406 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:29,407 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:25:29,407 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 17:25:29,407 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:25:29,408 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:29,408 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:29,408 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 17:25:29,409 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:25:29,409 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:29,409 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:29,409 INFO  L85        PathProgramCache]: Analyzing trace with hash -1394211603, now seen corresponding path program 1 times
[2025-05-07 17:25:29,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:29,409 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306248264]
[2025-05-07 17:25:29,410 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:29,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:29,444 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:29,457 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:29,458 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:29,458 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:29,570 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 17:25:29,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:29,570 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306248264]
[2025-05-07 17:25:29,570 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306248264] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:29,570 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:29,570 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:25:29,570 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248941625]
[2025-05-07 17:25:29,570 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:29,571 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:25:29,571 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:29,571 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:25:29,571 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:25:29,571 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 17:25:29,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:29,637 INFO  L93              Difference]: Finished difference Result 116 states and 137 transitions.
[2025-05-07 17:25:29,637 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:25:29,637 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 17:25:29,637 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:29,638 INFO  L225             Difference]: With dead ends: 116
[2025-05-07 17:25:29,638 INFO  L226             Difference]: Without dead ends: 116
[2025-05-07 17:25:29,638 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 17:25:29,639 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 17:25:29,639 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 17:25:29,640 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2025-05-07 17:25:29,645 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106.
[2025-05-07 17:25:29,645 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 17:25:29,645 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions.
[2025-05-07 17:25:29,646 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 65
[2025-05-07 17:25:29,646 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:29,646 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 124 transitions.
[2025-05-07 17:25:29,646 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 17:25:29,646 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions.
[2025-05-07 17:25:29,647 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:25:29,647 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:29,647 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 17:25:29,647 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:25:29,647 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:29,648 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:29,648 INFO  L85        PathProgramCache]: Analyzing trace with hash -1858108183, now seen corresponding path program 1 times
[2025-05-07 17:25:29,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:29,648 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129742368]
[2025-05-07 17:25:29,648 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:29,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:29,678 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:25:29,698 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:25:29,698 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:29,698 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:29,797 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 17:25:29,797 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:29,797 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129742368]
[2025-05-07 17:25:29,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129742368] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:29,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:29,797 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:29,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328031716]
[2025-05-07 17:25:29,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:29,797 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:29,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:29,798 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:29,798 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:29,798 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 17:25:29,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:29,825 INFO  L93              Difference]: Finished difference Result 76 states and 90 transitions.
[2025-05-07 17:25:29,825 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:29,825 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 17:25:29,825 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:29,825 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:25:29,825 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:29,825 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 17:25:29,826 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 17:25:29,826 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 17:25:29,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:29,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:29,827 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 17:25:29,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:29,827 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:25:29,827 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:29,827 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:29,827 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 17:25:29,827 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:29,827 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:29,829 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:29,830 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:25:29,832 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:29,834 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:29,836 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:29 BoogieIcfgContainer
[2025-05-07 17:25:29,837 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:29,837 INFO  L158              Benchmark]: Toolchain (without parser) took 3871.06ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 123.1MB in the beginning and 152.8MB in the end (delta: -29.8MB). Peak memory consumption was 19.4MB. Max. memory is 33.6GB.
[2025-05-07 17:25:29,837 INFO  L158              Benchmark]: SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:29,837 INFO  L158              Benchmark]: ChcToBoogie took 50.55ms. Allocated memory is still 234.9MB. Free memory was 123.1MB in the beginning and 191.9MB in the end (delta: -68.8MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
[2025-05-07 17:25:29,838 INFO  L158              Benchmark]: Boogie Preprocessor took 61.56ms. Allocated memory is still 234.9MB. Free memory was 191.9MB in the beginning and 187.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:29,838 INFO  L158              Benchmark]: RCFGBuilder took 628.73ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 187.7MB in the beginning and 271.2MB in the end (delta: -83.6MB). Peak memory consumption was 93.2MB. Max. memory is 33.6GB.
[2025-05-07 17:25:29,838 INFO  L158              Benchmark]: TraceAbstraction took 3125.76ms. Allocated memory was 318.8MB in the beginning and 285.2MB in the end (delta: -33.6MB). Free memory was 270.3MB in the beginning and 152.8MB in the end (delta: 117.5MB). Peak memory consumption was 72.0MB. Max. memory is 33.6GB.
[2025-05-07 17:25:29,839 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 50.55ms. Allocated memory is still 234.9MB. Free memory was 123.1MB in the beginning and 191.9MB in the end (delta: -68.8MB). Peak memory consumption was 23.9MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 61.56ms. Allocated memory is still 234.9MB. Free memory was 191.9MB in the beginning and 187.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 628.73ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 187.7MB in the beginning and 271.2MB in the end (delta: -83.6MB). Peak memory consumption was 93.2MB. Max. memory is 33.6GB.
 * TraceAbstraction took 3125.76ms. Allocated memory was 318.8MB in the beginning and 285.2MB in the end (delta: -33.6MB). Free memory was 270.3MB in the beginning and 152.8MB in the end (delta: 117.5MB). Peak memory consumption was 72.0MB. 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, 6175 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5161 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 366 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1014 mSDtfsCounter, 366 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 66, 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, 54 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 807 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 17:25:29,852 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
