./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_7_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:34,884 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:34,920 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4a9797-ef5b-4d52-b34d-4ad178438ed1/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:34,924 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:34,924 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:34,937 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:34,937 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:34,937 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:34,938 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:34,938 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:34,938 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:34,938 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:34,938 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:34,938 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:34,938 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:34,938 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:34,938 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:34,939 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:34,939 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:34,940 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:34,940 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:35,117 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:35,125 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:35,127 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:35,128 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:35,128 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:35,129 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4a9797-ef5b-4d52-b34d-4ad178438ed1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_7_no_adts_000.smt2
[2025-05-07 17:27:35,130 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:35,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:35,459 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4a9797-ef5b-4d52-b34d-4ad178438ed1/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/block_vars_chc_internal.sol_7_no_adts_000.smt2
[2025-05-07 17:27:35,461 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:35,462 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:35,462 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:35,462 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:35,463 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:35,464 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,525 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35 Unit
[2025-05-07 17:27:35,525 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:35,526 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:35,526 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:35,526 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:35,541 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,541 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,567 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,568 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,575 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,577 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,578 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,581 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,583 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,596 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:35,596 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:35,597 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:35,597 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:35,597 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (1/1) ...
[2025-05-07 17:27:35,599 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:35,606 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:35,615 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 17:27:35,617 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 17:27:35,624 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:35,624 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_18_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_18_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_18_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_124_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_124_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_124_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_124_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_124_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_124_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_25_C_124_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_25_C_124_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_25_C_124_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_27_C_124_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_27_C_124_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_26_C_124_0 given in one single declaration
[2025-05-07 17:27:35,625 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:27:35,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_26_C_124_0
[2025-05-07 17:27:35,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_28_C_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_28_C_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__42_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__42_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__42_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_41_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_41_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_41_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__42_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__42_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,626 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_g__123_124_0
[2025-05-07 17:27:35,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_g__123_124_0
[2025-05-07 17:27:35,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_122_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_122_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_122_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_23_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_23_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_23_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,627 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__123_124_0
[2025-05-07 17:27:35,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_24_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_24_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_24_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__123_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__123_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__42_124_0 given in one single declaration
[2025-05-07 17:27:35,628 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:27:35,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__42_124_0
[2025-05-07 17:27:35,628 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:35,629 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:35,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:35,847 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:35,849 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:36,203 INFO  L?                        ?]: Removed 441 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:36,203 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:36,216 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:36,216 INFO  L312             CfgBuilder]: Removed 20 assume(true) statements.
[2025-05-07 17:27:36,216 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:36 BoogieIcfgContainer
[2025-05-07 17:27:36,216 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:36,219 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:36,220 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:36,223 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:36,224 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:35" (1/3) ...
[2025-05-07 17:27:36,224 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2178f5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:36, skipping insertion in model container
[2025-05-07 17:27:36,224 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:35" (2/3) ...
[2025-05-07 17:27:36,224 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2178f5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:36, skipping insertion in model container
[2025-05-07 17:27:36,224 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:36" (3/3) ...
[2025-05-07 17:27:36,226 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:36,240 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:36,243 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 17:27:36,285 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:36,297 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;@4ef08a1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:36,297 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:36,301 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 17:27:36,312 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:36,312 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:36,313 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 17:27:36,313 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:36,317 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:36,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 1650505651, now seen corresponding path program 1 times
[2025-05-07 17:27:36,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:36,323 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871458659]
[2025-05-07 17:27:36,323 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:36,324 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:36,389 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:36,468 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:36,468 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:36,468 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:36,773 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 17:27:36,773 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:36,773 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871458659]
[2025-05-07 17:27:36,774 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871458659] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:36,774 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:36,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:36,777 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755162245]
[2025-05-07 17:27:36,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:36,781 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:36,781 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:36,800 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:36,801 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:36,806 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 17:27:36,842 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:36,843 INFO  L93              Difference]: Finished difference Result 108 states and 128 transitions.
[2025-05-07 17:27:36,844 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:36,845 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 17:27:36,846 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:36,851 INFO  L225             Difference]: With dead ends: 108
[2025-05-07 17:27:36,851 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:27:36,853 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 17:27:36,855 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:36,856 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 365 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:36,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:27:36,884 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-05-07 17:27:36,885 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 17:27:36,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions.
[2025-05-07 17:27:36,890 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 65
[2025-05-07 17:27:36,890 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:36,891 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 114 transitions.
[2025-05-07 17:27:36,891 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 17:27:36,891 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions.
[2025-05-07 17:27:36,893 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:36,893 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:36,893 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 17:27:36,894 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:36,894 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:36,894 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:36,895 INFO  L85        PathProgramCache]: Analyzing trace with hash -1176218495, now seen corresponding path program 1 times
[2025-05-07 17:27:36,895 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:36,895 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265181640]
[2025-05-07 17:27:36,895 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:36,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:36,933 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:36,959 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:36,959 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:36,959 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,128 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 17:27:37,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:37,128 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265181640]
[2025-05-07 17:27:37,128 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265181640] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:37,128 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:37,128 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:37,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255361168]
[2025-05-07 17:27:37,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:37,129 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:37,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:37,129 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:37,130 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:37,130 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 17:27:37,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:37,216 INFO  L93              Difference]: Finished difference Result 107 states and 127 transitions.
[2025-05-07 17:27:37,217 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:37,217 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 17:27:37,217 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:37,218 INFO  L225             Difference]: With dead ends: 107
[2025-05-07 17:27:37,218 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:27:37,218 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 17:27:37,218 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 17:27:37,219 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 17:27:37,219 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:27:37,225 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2025-05-07 17:27:37,225 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 17:27:37,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:27:37,226 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:27:37,226 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:37,226 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:27:37,227 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 17:27:37,227 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:27:37,228 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:37,228 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:37,228 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 17:27:37,228 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:37,228 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:37,228 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:37,228 INFO  L85        PathProgramCache]: Analyzing trace with hash -1068441597, now seen corresponding path program 1 times
[2025-05-07 17:27:37,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:37,228 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304622458]
[2025-05-07 17:27:37,229 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:37,259 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:37,279 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:37,279 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:37,279 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:27:37,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:37,443 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304622458]
[2025-05-07 17:27:37,443 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304622458] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:37,443 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:37,443 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:37,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169175490]
[2025-05-07 17:27:37,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:37,444 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:37,444 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:37,444 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:37,445 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:37,445 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 17:27:37,529 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:37,529 INFO  L93              Difference]: Finished difference Result 117 states and 140 transitions.
[2025-05-07 17:27:37,530 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:37,530 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 17:27:37,530 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:37,532 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:27:37,532 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:27:37,532 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 17:27:37,532 INFO  L437           NwaCegarLoop]: 119 mSDtfsCounter, 1 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 814 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 17:27:37,533 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 814 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:37,533 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:27:37,538 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107.
[2025-05-07 17:27:37,539 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 17:27:37,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions.
[2025-05-07 17:27:37,539 INFO  L79                 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 65
[2025-05-07 17:27:37,540 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:37,540 INFO  L485      AbstractCegarLoop]: Abstraction has 107 states and 127 transitions.
[2025-05-07 17:27:37,540 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 17:27:37,540 INFO  L278                IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions.
[2025-05-07 17:27:37,541 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:37,541 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:37,541 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 17:27:37,541 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:27:37,541 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:37,542 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:37,542 INFO  L85        PathProgramCache]: Analyzing trace with hash -1990583277, now seen corresponding path program 1 times
[2025-05-07 17:27:37,542 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:37,542 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661669852]
[2025-05-07 17:27:37,542 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,542 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:37,570 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:37,584 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:37,584 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:37,585 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:37,812 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 17:27:37,812 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:37,812 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661669852]
[2025-05-07 17:27:37,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661669852] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:37,812 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:37,812 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:37,812 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108128202]
[2025-05-07 17:27:37,812 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:37,813 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:37,813 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:37,813 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:37,814 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:37,814 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 17:27:37,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:37,939 INFO  L93              Difference]: Finished difference Result 113 states and 133 transitions.
[2025-05-07 17:27:37,939 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:37,939 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 17:27:37,940 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:37,941 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:27:37,941 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:27:37,941 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 17:27:37,942 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 17:27:37,942 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 17:27:37,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:27:37,951 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111.
[2025-05-07 17:27:37,951 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 17:27:37,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:27:37,952 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:27:37,952 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:37,953 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:27:37,953 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 17:27:37,953 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:27:37,954 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:37,954 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:37,955 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 17:27:37,955 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:27:37,955 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:37,955 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:37,955 INFO  L85        PathProgramCache]: Analyzing trace with hash 562298159, now seen corresponding path program 1 times
[2025-05-07 17:27:37,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:37,956 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655538445]
[2025-05-07 17:27:37,956 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:37,956 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:37,988 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:38,005 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:38,005 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:38,006 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:38,130 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 17:27:38,130 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:38,130 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655538445]
[2025-05-07 17:27:38,130 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655538445] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:38,130 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:38,130 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:38,130 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551768161]
[2025-05-07 17:27:38,130 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:38,131 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:38,131 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:38,131 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:38,131 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:38,132 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 17:27:38,204 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:38,204 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:27:38,204 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:38,204 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 17:27:38,205 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:38,206 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:27:38,206 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:27:38,206 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 17:27:38,207 INFO  L437           NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 807 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 17:27:38,207 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 807 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:38,207 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:27:38,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:27:38,213 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 17:27:38,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:27:38,214 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:27:38,214 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:38,214 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:27:38,214 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 17:27:38,214 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:27:38,215 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:38,215 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:38,215 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 17:27:38,215 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:27:38,215 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:38,216 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:38,216 INFO  L85        PathProgramCache]: Analyzing trace with hash 1513535303, now seen corresponding path program 1 times
[2025-05-07 17:27:38,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:38,216 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918228758]
[2025-05-07 17:27:38,216 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:38,216 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:38,249 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:38,265 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:38,265 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:38,265 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:38,543 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 17:27:38,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:38,543 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918228758]
[2025-05-07 17:27:38,543 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918228758] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:38,543 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:38,543 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:38,543 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775038308]
[2025-05-07 17:27:38,543 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:38,544 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:38,544 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:38,544 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:38,544 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:38,544 INFO  L87              Difference]: Start difference. First operand 111 states and 131 transitions. Second operand  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:38,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:38,583 INFO  L93              Difference]: Finished difference Result 117 states and 137 transitions.
[2025-05-07 17:27:38,583 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:38,583 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:27:38,583 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:38,584 INFO  L225             Difference]: With dead ends: 117
[2025-05-07 17:27:38,584 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:27:38,584 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 17:27:38,585 INFO  L437           NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:38,585 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 557 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:38,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:27:38,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111.
[2025-05-07 17:27:38,589 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 17:27:38,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:27:38,590 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:27:38,590 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:38,590 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:27:38,590 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:27:38,590 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:27:38,591 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:38,591 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:38,591 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 17:27:38,591 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:27:38,591 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:38,591 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:38,592 INFO  L85        PathProgramCache]: Analyzing trace with hash -1224837195, now seen corresponding path program 1 times
[2025-05-07 17:27:38,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:38,592 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185171072]
[2025-05-07 17:27:38,592 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:38,592 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:38,628 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:38,643 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:38,643 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:38,643 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:38,744 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 17:27:38,744 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:38,744 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185171072]
[2025-05-07 17:27:38,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185171072] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:38,744 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:38,744 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:38,745 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202067165]
[2025-05-07 17:27:38,745 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:38,745 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:38,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:38,745 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:38,746 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:38,746 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 17:27:38,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:38,809 INFO  L93              Difference]: Finished difference Result 121 states and 144 transitions.
[2025-05-07 17:27:38,809 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:38,809 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 17:27:38,809 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:38,810 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:27:38,810 INFO  L226             Difference]: Without dead ends: 121
[2025-05-07 17:27:38,810 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 17:27:38,810 INFO  L437           NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 17:27:38,811 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 17:27:38,811 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2025-05-07 17:27:38,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111.
[2025-05-07 17:27:38,815 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 17:27:38,815 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions.
[2025-05-07 17:27:38,816 INFO  L79                 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 65
[2025-05-07 17:27:38,816 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:38,816 INFO  L485      AbstractCegarLoop]: Abstraction has 111 states and 131 transitions.
[2025-05-07 17:27:38,816 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 17:27:38,816 INFO  L278                IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions.
[2025-05-07 17:27:38,816 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:27:38,816 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:38,816 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 17:27:38,817 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:27:38,817 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:38,817 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:38,817 INFO  L85        PathProgramCache]: Analyzing trace with hash -401142119, now seen corresponding path program 1 times
[2025-05-07 17:27:38,817 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:38,817 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498927435]
[2025-05-07 17:27:38,817 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:38,817 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:38,851 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:27:38,869 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:27:38,869 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:38,869 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:38,984 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 17:27:38,984 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:38,984 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498927435]
[2025-05-07 17:27:38,984 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498927435] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:38,984 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:38,984 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:27:38,984 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86222227]
[2025-05-07 17:27:38,984 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:38,985 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:27:38,985 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:38,985 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:27:38,985 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:27:38,986 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 17:27:39,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:39,054 INFO  L93              Difference]: Finished difference Result 116 states and 137 transitions.
[2025-05-07 17:27:39,054 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:27:39,055 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 17:27:39,055 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:39,056 INFO  L225             Difference]: With dead ends: 116
[2025-05-07 17:27:39,056 INFO  L226             Difference]: Without dead ends: 116
[2025-05-07 17:27:39,056 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 17:27:39,057 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 17:27:39,057 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 17:27:39,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2025-05-07 17:27:39,063 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106.
[2025-05-07 17:27:39,064 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 17:27:39,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions.
[2025-05-07 17:27:39,065 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 65
[2025-05-07 17:27:39,065 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:39,065 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 124 transitions.
[2025-05-07 17:27:39,065 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 17:27:39,065 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions.
[2025-05-07 17:27:39,066 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:27:39,066 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:39,066 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 17:27:39,067 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:27:39,067 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:39,067 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:39,067 INFO  L85        PathProgramCache]: Analyzing trace with hash 719992653, now seen corresponding path program 1 times
[2025-05-07 17:27:39,067 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:39,067 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835411238]
[2025-05-07 17:27:39,067 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:39,067 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:39,100 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:27:39,110 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:27:39,110 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:39,110 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:39,182 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 17:27:39,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:39,183 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835411238]
[2025-05-07 17:27:39,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835411238] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:39,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:39,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:39,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311820365]
[2025-05-07 17:27:39,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:39,183 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:39,183 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:39,184 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:39,184 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:39,184 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 17:27:39,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:39,208 INFO  L93              Difference]: Finished difference Result 76 states and 90 transitions.
[2025-05-07 17:27:39,208 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:39,208 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 17:27:39,208 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:39,209 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:27:39,209 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:39,209 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 17:27:39,209 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 17:27:39,209 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 17:27:39,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:39,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:39,210 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 17:27:39,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:39,210 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:27:39,210 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:39,210 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:39,210 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 17:27:39,210 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:39,210 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:39,212 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:39,213 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-05-07 17:27:39,215 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:27:39,216 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:39,218 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:39 BoogieIcfgContainer
[2025-05-07 17:27:39,219 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:39,219 INFO  L158              Benchmark]: Toolchain (without parser) took 3757.31ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 121.5MB in the beginning and 109.1MB in the end (delta: 12.3MB). Peak memory consumption was 66.5MB. Max. memory is 33.6GB.
[2025-05-07 17:27:39,219 INFO  L158              Benchmark]: SmtParser took 0.28ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,219 INFO  L158              Benchmark]: ChcToBoogie took 63.02ms. Allocated memory is still 234.9MB. Free memory was 121.5MB in the beginning and 190.2MB in the end (delta: -68.7MB). Peak memory consumption was 24.0MB. Max. memory is 33.6GB.
[2025-05-07 17:27:39,220 INFO  L158              Benchmark]: Boogie Preprocessor took 70.23ms. Allocated memory is still 234.9MB. Free memory was 190.2MB in the beginning and 185.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:39,220 INFO  L158              Benchmark]: RCFGBuilder took 620.01ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 185.8MB in the beginning and 269.5MB in the end (delta: -83.7MB). Peak memory consumption was 92.3MB. Max. memory is 33.6GB.
[2025-05-07 17:27:39,220 INFO  L158              Benchmark]: TraceAbstraction took 2999.18ms. Allocated memory was 318.8MB in the beginning and 285.2MB in the end (delta: -33.6MB). Free memory was 268.6MB in the beginning and 109.1MB in the end (delta: 159.4MB). Peak memory consumption was 120.2MB. Max. memory is 33.6GB.
[2025-05-07 17:27:39,221 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.28ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 63.02ms. Allocated memory is still 234.9MB. Free memory was 121.5MB in the beginning and 190.2MB in the end (delta: -68.7MB). Peak memory consumption was 24.0MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 70.23ms. Allocated memory is still 234.9MB. Free memory was 190.2MB in the beginning and 185.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 620.01ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 185.8MB in the beginning and 269.5MB in the end (delta: -83.7MB). Peak memory consumption was 92.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2999.18ms. Allocated memory was 318.8MB in the beginning and 285.2MB in the end (delta: -33.6MB). Free memory was 268.6MB in the beginning and 109.1MB in the end (delta: 159.4MB). Peak memory consumption was 120.2MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 31 procedures, 121 locations, 198 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, 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, 5999 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4978 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1021 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 50 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:27:39,233 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
