./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_multi_functions.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:24:37,402 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:24:37,438 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_467d0add-c757-4bea-8fe9-70eb271cd92a/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:24:37,441 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:24:37,441 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:24:37,455 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:24:37,455 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:24:37,455 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:24:37,455 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:24:37,455 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:24:37,456 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:24:37,456 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:24:37,456 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:37,456 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:24:37,456 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:24:37,457 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:24:37,457 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:24:37,659 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:24:37,665 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:24:37,667 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:24:37,668 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:24:37,668 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:24:37,669 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_467d0add-c757-4bea-8fe9-70eb271cd92a/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_multi_functions.sol_0_no_adts_000.smt2
[2025-05-07 17:24:37,669 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:24:37,672 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:24:37,885 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_467d0add-c757-4bea-8fe9-70eb271cd92a/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/modifiers/modifier_multi_functions.sol_0_no_adts_000.smt2
[2025-05-07 17:24:37,887 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:24:37,888 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:24:37,888 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:24:37,889 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:24:37,889 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:24:37,890 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,918 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37 Unit
[2025-05-07 17:24:37,919 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:24:37,919 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:24:37,920 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:24:37,920 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:24:37,931 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,931 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,953 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,953 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,956 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,957 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,959 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,960 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,961 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,971 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:24:37,972 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:24:37,972 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:24:37,972 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:24:37,972 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (1/1) ...
[2025-05-07 17:24:37,974 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:24:37,983 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:24:37,992 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 17:24:37,994 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 17:24:38,001 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:24:38,002 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:24:38,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:24:38,002 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:24:38,002 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:24:38,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:24:38,002 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,002 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,002 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,002 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__66_67_0
[2025-05-07 17:24:38,002 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__66_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__66_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_f_65_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_f_65_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_f_65_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__66_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__66_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_function_g__44_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_function_g__44_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_function_g__44_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_g__44_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_g__44_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_g__44_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_g_27_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_g_27_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_g_27_67_0
[2025-05-07 17:24:38,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_return_function_g__44_67_0 given in one single declaration
[2025-05-07 17:24:38,003 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_return_function_g__44_67_0
[2025-05-07 17:24:38,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_return_function_g__44_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_g_43_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_g_43_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_g_43_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_g__44_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_g__44_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_g__44_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_f_15_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_f_15_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_f_15_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_return_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_return_function_f__66_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_return_function_f__66_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__66_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__66_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__66_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_67_0 given in one single declaration
[2025-05-07 17:24:38,004 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_67_0
[2025-05-07 17:24:38,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_67_0
[2025-05-07 17:24:38,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_19_C_67_0 given in one single declaration
[2025-05-07 17:24:38,005 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_19_C_67_0
[2025-05-07 17:24:38,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_19_C_67_0
[2025-05-07 17:24:38,005 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_21_C_67_0 given in one single declaration
[2025-05-07 17:24:38,005 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_21_C_67_0
[2025-05-07 17:24:38,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_21_C_67_0
[2025-05-07 17:24:38,005 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_20_C_67_0 given in one single declaration
[2025-05-07 17:24:38,005 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_20_C_67_0
[2025-05-07 17:24:38,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_20_C_67_0
[2025-05-07 17:24:38,005 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_22_C_67_0 given in one single declaration
[2025-05-07 17:24:38,005 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_22_C_67_0
[2025-05-07 17:24:38,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_22_C_67_0
[2025-05-07 17:24:38,005 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:24:38,005 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:24:38,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:24:38,138 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:24:38,139 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:24:38,352 INFO  L?                        ?]: Removed 177 outVars from TransFormulas that were not future-live.
[2025-05-07 17:24:38,353 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:24:38,362 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:24:38,363 INFO  L312             CfgBuilder]: Removed 13 assume(true) statements.
[2025-05-07 17:24:38,363 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:38 BoogieIcfgContainer
[2025-05-07 17:24:38,363 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:24:38,365 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:24:38,365 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:24:38,368 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:24:38,369 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:24:37" (1/3) ...
[2025-05-07 17:24:38,369 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625ffec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:24:38, skipping insertion in model container
[2025-05-07 17:24:38,370 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:24:37" (2/3) ...
[2025-05-07 17:24:38,370 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625ffec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:24:38, skipping insertion in model container
[2025-05-07 17:24:38,370 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:24:38" (3/3) ...
[2025-05-07 17:24:38,371 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:24:38,385 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:24:38,387 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 24 procedures, 93 locations, 140 edges, 24 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:24:38,421 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:24:38,429 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;@3f45900c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:24:38,429 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:24:38,432 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 93 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 31 states have call successors, (33), 23 states have call predecessors, (33), 23 states have return successors, (33), 28 states have call predecessors, (33), 31 states have call successors, (33)
[2025-05-07 17:24:38,438 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2025-05-07 17:24:38,439 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:38,439 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:24:38,439 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:38,442 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:38,443 INFO  L85        PathProgramCache]: Analyzing trace with hash -955864718, now seen corresponding path program 1 times
[2025-05-07 17:24:38,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:38,448 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110295007]
[2025-05-07 17:24:38,448 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:38,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:38,498 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.
[2025-05-07 17:24:38,515 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements.
[2025-05-07 17:24:38,515 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:38,515 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:38,727 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 17:24:38,728 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:38,728 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110295007]
[2025-05-07 17:24:38,729 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110295007] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:38,729 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:38,731 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:24:38,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021961625]
[2025-05-07 17:24:38,733 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:38,737 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:24:38,737 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:38,777 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:24:38,778 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:24:38,780 INFO  L87              Difference]: Start difference. First operand  has 93 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 31 states have call successors, (33), 23 states have call predecessors, (33), 23 states have return successors, (33), 28 states have call predecessors, (33), 31 states have call successors, (33) Second operand  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:24:38,826 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:38,831 INFO  L93              Difference]: Finished difference Result 95 states and 109 transitions.
[2025-05-07 17:24:38,833 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:24:38,835 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 71
[2025-05-07 17:24:38,835 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:38,843 INFO  L225             Difference]: With dead ends: 95
[2025-05-07 17:24:38,843 INFO  L226             Difference]: Without dead ends: 91
[2025-05-07 17:24:38,845 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 17:24:38,848 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 310 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 17:24:38,849 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 310 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:38,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2025-05-07 17:24:38,878 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89.
[2025-05-07 17:24:38,879 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 37 states have (on average 1.027027027027027) internal successors, (38), 38 states have internal predecessors, (38), 29 states have call successors, (31), 23 states have call predecessors, (31), 23 states have return successors, (31), 27 states have call predecessors, (31), 29 states have call successors, (31)
[2025-05-07 17:24:38,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions.
[2025-05-07 17:24:38,883 INFO  L79                 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 71
[2025-05-07 17:24:38,883 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:38,883 INFO  L485      AbstractCegarLoop]: Abstraction has 89 states and 100 transitions.
[2025-05-07 17:24:38,883 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:24:38,884 INFO  L278                IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions.
[2025-05-07 17:24:38,885 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2025-05-07 17:24:38,886 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:38,886 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:24:38,886 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:24:38,886 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:38,886 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:38,887 INFO  L85        PathProgramCache]: Analyzing trace with hash 127582070, now seen corresponding path program 1 times
[2025-05-07 17:24:38,887 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:38,887 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25746003]
[2025-05-07 17:24:38,887 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:38,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:38,934 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.
[2025-05-07 17:24:38,975 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements.
[2025-05-07 17:24:38,975 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:38,975 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:39,373 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 17:24:39,373 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:39,373 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25746003]
[2025-05-07 17:24:39,374 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25746003] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:39,374 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:39,374 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:24:39,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68122388]
[2025-05-07 17:24:39,374 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:39,375 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:24:39,375 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:39,376 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:24:39,376 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:24:39,376 INFO  L87              Difference]: Start difference. First operand 89 states and 100 transitions. Second operand  has 9 states, 7 states have (on average 4.428571428571429) internal successors, (31), 9 states have internal predecessors, (31), 5 states have call successors, (20), 1 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:24:39,480 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:39,480 INFO  L93              Difference]: Finished difference Result 87 states and 97 transitions.
[2025-05-07 17:24:39,481 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:24:39,481 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 7 states have (on average 4.428571428571429) internal successors, (31), 9 states have internal predecessors, (31), 5 states have call successors, (20), 1 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20) Word has length 71
[2025-05-07 17:24:39,481 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:39,483 INFO  L225             Difference]: With dead ends: 87
[2025-05-07 17:24:39,483 INFO  L226             Difference]: Without dead ends: 84
[2025-05-07 17:24:39,483 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:24:39,484 INFO  L437           NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:39,484 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 699 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:24:39,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2025-05-07 17:24:39,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2025-05-07 17:24:39,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 36 states have internal predecessors, (36), 27 states have call successors, (28), 22 states have call predecessors, (28), 22 states have return successors, (28), 25 states have call predecessors, (28), 27 states have call successors, (28)
[2025-05-07 17:24:39,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions.
[2025-05-07 17:24:39,492 INFO  L79                 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 71
[2025-05-07 17:24:39,493 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:39,493 INFO  L485      AbstractCegarLoop]: Abstraction has 84 states and 92 transitions.
[2025-05-07 17:24:39,494 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 7 states have (on average 4.428571428571429) internal successors, (31), 9 states have internal predecessors, (31), 5 states have call successors, (20), 1 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20)
[2025-05-07 17:24:39,494 INFO  L278                IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions.
[2025-05-07 17:24:39,495 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2025-05-07 17:24:39,495 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:39,495 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:24:39,495 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:24:39,496 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:39,496 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:39,496 INFO  L85        PathProgramCache]: Analyzing trace with hash -975289019, now seen corresponding path program 1 times
[2025-05-07 17:24:39,496 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:39,496 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336513354]
[2025-05-07 17:24:39,496 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:39,497 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:39,527 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes.
[2025-05-07 17:24:39,543 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements.
[2025-05-07 17:24:39,543 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:39,544 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:39,681 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 17:24:39,681 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:39,681 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336513354]
[2025-05-07 17:24:39,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336513354] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:39,681 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:39,681 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:24:39,681 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042749393]
[2025-05-07 17:24:39,681 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:39,682 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:24:39,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:39,683 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:24:39,683 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:24:39,683 INFO  L87              Difference]: Start difference. First operand 84 states and 92 transitions. Second operand  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 7 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:24:39,731 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:39,731 INFO  L93              Difference]: Finished difference Result 89 states and 98 transitions.
[2025-05-07 17:24:39,731 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:24:39,731 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 7 states have call predecessors, (21), 4 states have call successors, (21) Word has length 74
[2025-05-07 17:24:39,732 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:39,733 INFO  L225             Difference]: With dead ends: 89
[2025-05-07 17:24:39,733 INFO  L226             Difference]: Without dead ends: 89
[2025-05-07 17:24:39,733 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:24:39,734 INFO  L437           NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:39,734 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 520 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:39,735 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2025-05-07 17:24:39,741 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2025-05-07 17:24:39,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 37 states have (on average 1.027027027027027) internal successors, (38), 38 states have internal predecessors, (38), 28 states have call successors, (29), 22 states have call predecessors, (29), 24 states have return successors, (31), 28 states have call predecessors, (31), 28 states have call successors, (31)
[2025-05-07 17:24:39,742 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions.
[2025-05-07 17:24:39,743 INFO  L79                 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 74
[2025-05-07 17:24:39,743 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:39,743 INFO  L485      AbstractCegarLoop]: Abstraction has 89 states and 98 transitions.
[2025-05-07 17:24:39,743 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 6 states have return successors, (21), 7 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:24:39,743 INFO  L278                IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions.
[2025-05-07 17:24:39,745 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:24:39,745 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:39,745 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 17:24:39,745 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:24:39,745 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:39,745 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:39,746 INFO  L85        PathProgramCache]: Analyzing trace with hash 705894801, now seen corresponding path program 1 times
[2025-05-07 17:24:39,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:39,746 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160181876]
[2025-05-07 17:24:39,746 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:39,746 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:39,773 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:24:39,783 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:24:39,783 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:39,783 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:39,879 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 17:24:39,879 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:39,879 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160181876]
[2025-05-07 17:24:39,879 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160181876] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:39,879 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:39,879 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:24:39,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289018181]
[2025-05-07 17:24:39,879 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:39,879 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:24:39,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:39,880 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:24:39,880 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:24:39,880 INFO  L87              Difference]: Start difference. First operand 89 states and 98 transitions. Second operand  has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:24:39,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:39,945 INFO  L93              Difference]: Finished difference Result 88 states and 95 transitions.
[2025-05-07 17:24:39,945 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:24:39,945 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:24:39,946 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:39,946 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:24:39,946 INFO  L226             Difference]: Without dead ends: 87
[2025-05-07 17:24:39,946 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 17:24:39,947 INFO  L437           NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 565 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 17:24:39,947 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 565 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:24:39,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2025-05-07 17:24:39,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2025-05-07 17:24:39,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 26 states have call successors, (27), 22 states have call predecessors, (27), 24 states have return successors, (29), 27 states have call predecessors, (29), 26 states have call successors, (29)
[2025-05-07 17:24:39,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions.
[2025-05-07 17:24:39,951 INFO  L79                 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 68
[2025-05-07 17:24:39,951 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:39,951 INFO  L485      AbstractCegarLoop]: Abstraction has 87 states and 93 transitions.
[2025-05-07 17:24:39,951 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:24:39,951 INFO  L278                IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions.
[2025-05-07 17:24:39,952 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2025-05-07 17:24:39,952 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:24:39,952 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:24:39,952 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:24:39,952 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:24:39,953 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:24:39,953 INFO  L85        PathProgramCache]: Analyzing trace with hash 804010910, now seen corresponding path program 1 times
[2025-05-07 17:24:39,953 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:24:39,953 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387440332]
[2025-05-07 17:24:39,953 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:24:39,953 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:24:39,980 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.
[2025-05-07 17:24:39,989 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements.
[2025-05-07 17:24:39,989 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:24:39,989 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:24:40,060 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 17:24:40,060 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:24:40,060 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387440332]
[2025-05-07 17:24:40,060 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387440332] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:24:40,060 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:24:40,060 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:24:40,060 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810314483]
[2025-05-07 17:24:40,060 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:24:40,061 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:24:40,061 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:24:40,061 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:24:40,061 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:24:40,062 INFO  L87              Difference]: Start difference. First operand 87 states and 93 transitions. Second operand  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:24:40,092 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:24:40,092 INFO  L93              Difference]: Finished difference Result 81 states and 87 transitions.
[2025-05-07 17:24:40,092 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:24:40,092 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) Word has length 71
[2025-05-07 17:24:40,093 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:24:40,093 INFO  L225             Difference]: With dead ends: 81
[2025-05-07 17:24:40,093 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:24:40,093 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 17:24:40,093 INFO  L437           NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:24:40,094 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 402 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:24:40,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:24:40,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:24:40,094 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 17:24:40,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:24:40,094 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71
[2025-05-07 17:24:40,094 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:24:40,094 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:24:40,095 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (20), 1 states have call predecessors, (20), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:24:40,095 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:24:40,095 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:24:40,096 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:24:40,097 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:24:40,099 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:24:40,101 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:24:40,103 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:24:40 BoogieIcfgContainer
[2025-05-07 17:24:40,103 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:24:40,104 INFO  L158              Benchmark]: Toolchain (without parser) took 2215.85ms. Allocated memory is still 234.9MB. Free memory was 148.6MB in the beginning and 90.1MB in the end (delta: 58.6MB). Peak memory consumption was 59.2MB. Max. memory is 33.6GB.
[2025-05-07 17:24:40,104 INFO  L158              Benchmark]: SmtParser took 0.17ms. 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 17:24:40,104 INFO  L158              Benchmark]: ChcToBoogie took 30.58ms. Allocated memory is still 234.9MB. Free memory was 148.6MB in the beginning and 145.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:24:40,104 INFO  L158              Benchmark]: Boogie Preprocessor took 51.82ms. Allocated memory is still 234.9MB. Free memory was 145.8MB in the beginning and 142.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:24:40,104 INFO  L158              Benchmark]: RCFGBuilder took 391.35ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 179.7MB in the end (delta: -37.6MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
[2025-05-07 17:24:40,104 INFO  L158              Benchmark]: TraceAbstraction took 1738.45ms. Allocated memory is still 234.9MB. Free memory was 179.2MB in the beginning and 90.1MB in the end (delta: 89.1MB). Peak memory consumption was 100.6MB. Max. memory is 33.6GB.
[2025-05-07 17:24:40,105 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.17ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 30.58ms. Allocated memory is still 234.9MB. Free memory was 148.6MB in the beginning and 145.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 51.82ms. Allocated memory is still 234.9MB. Free memory was 145.8MB in the beginning and 142.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 391.35ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 179.7MB in the end (delta: -37.6MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1738.45ms. Allocated memory is still 234.9MB. Free memory was 179.2MB in the beginning and 90.1MB in the end (delta: 89.1MB). Peak memory consumption was 100.6MB. 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 24 procedures, 93 locations, 140 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2496 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2045 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 451 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 17:24:40,116 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
