./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_1.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:27:04,945 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:27:04,981 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f84113f-0720-46fa-b882-0e2212b8ed57/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:27:04,984 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:27:04,984 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:27:04,997 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:27:04,998 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:27:04,998 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:27:04,998 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:27:04,998 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:27:04,998 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:27:04,998 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:27:04,998 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:27:04,998 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:27:04,998 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:27:04,999 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:04,999 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:27:04,999 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:27:05,000 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:27:05,000 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:27:05,180 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:27:05,188 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:27:05,190 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:27:05,191 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:27:05,192 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:27:05,192 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f84113f-0720-46fa-b882-0e2212b8ed57/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_1.sol_0_no_adts_000.smt2
[2025-05-07 17:27:05,193 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:27:05,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:27:05,425 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f84113f-0720-46fa-b882-0e2212b8ed57/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/control_flow/branches_assert_condition_1.sol_0_no_adts_000.smt2
[2025-05-07 17:27:05,428 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:27:05,429 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:27:05,430 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:27:05,430 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:27:05,430 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:27:05,432 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,466 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05 Unit
[2025-05-07 17:27:05,467 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:27:05,468 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:27:05,468 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:27:05,468 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:27:05,479 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,480 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,507 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,507 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,512 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,513 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,515 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,516 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,517 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,526 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:27:05,526 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:27:05,527 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:27:05,527 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:27:05,527 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (1/1) ...
[2025-05-07 17:27:05,529 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:27:05,538 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:27:05,547 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 17:27:05,549 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 17:27:05,556 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:27:05,556 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__24_25_0
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_true_f_14_25_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_true_f_14_25_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_true_f_14_25_0
[2025-05-07 17:27:05,557 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_if_header_f_22_25_0 given in one single declaration
[2025-05-07 17:27:05,557 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_if_header_f_22_25_0
[2025-05-07 17:27:05,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_if_header_f_22_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_23_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_23_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_23_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_23_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_23_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_23_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_if_false_f_21_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_if_false_f_21_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_if_false_f_21_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__24_25_0 given in one single declaration
[2025-05-07 17:27:05,558 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__24_25_0
[2025-05-07 17:27:05,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__24_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_18_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_18_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_18_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_15_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_15_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_15_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_17_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_17_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_17_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_16_C_25_0 given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_16_C_25_0
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_16_C_25_0
[2025-05-07 17:27:05,559 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:27:05,559 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:27:05,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:27:05,668 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:27:05,670 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:27:05,829 INFO  L?                        ?]: Removed 125 outVars from TransFormulas that were not future-live.
[2025-05-07 17:27:05,829 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:27:05,837 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:27:05,838 INFO  L312             CfgBuilder]: Removed 9 assume(true) statements.
[2025-05-07 17:27:05,838 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:05 BoogieIcfgContainer
[2025-05-07 17:27:05,838 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:27:05,840 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:27:05,840 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:27:05,843 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:27:05,843 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:27:05" (1/3) ...
[2025-05-07 17:27:05,843 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c69b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:27:05, skipping insertion in model container
[2025-05-07 17:27:05,843 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:27:05" (2/3) ...
[2025-05-07 17:27:05,843 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c69b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:27:05, skipping insertion in model container
[2025-05-07 17:27:05,843 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:27:05" (3/3) ...
[2025-05-07 17:27:05,844 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:27:05,855 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:27:05,856 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 21 procedures, 82 locations, 120 edges, 21 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:27:05,894 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:27:05,902 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;@2efbd945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:27:05,902 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:27:05,904 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 82 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 39 states have internal predecessors, (39), 25 states have call successors, (27), 20 states have call predecessors, (27), 20 states have return successors, (27), 22 states have call predecessors, (27), 25 states have call successors, (27)
[2025-05-07 17:27:05,910 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:27:05,910 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:05,911 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]
[2025-05-07 17:27:05,911 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:05,914 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:05,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 906171038, now seen corresponding path program 1 times
[2025-05-07 17:27:05,919 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:05,919 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782316334]
[2025-05-07 17:27:05,920 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:05,920 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:05,962 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:27:05,979 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:27:05,979 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:05,979 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:06,190 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 17:27:06,190 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:06,190 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782316334]
[2025-05-07 17:27:06,191 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782316334] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:06,191 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:06,194 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:06,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224636793]
[2025-05-07 17:27:06,196 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:06,199 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:06,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:06,233 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:06,233 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:06,235 INFO  L87              Difference]: Start difference. First operand  has 82 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 39 states have internal predecessors, (39), 25 states have call successors, (27), 20 states have call predecessors, (27), 20 states have return successors, (27), 22 states have call predecessors, (27), 25 states have call successors, (27) Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:06,275 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:06,280 INFO  L93              Difference]: Finished difference Result 84 states and 95 transitions.
[2025-05-07 17:27:06,282 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:06,283 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:27:06,284 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:06,291 INFO  L225             Difference]: With dead ends: 84
[2025-05-07 17:27:06,292 INFO  L226             Difference]: Without dead ends: 80
[2025-05-07 17:27:06,293 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 17:27:06,296 INFO  L437           NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 268 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 17:27:06,297 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:06,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2025-05-07 17:27:06,328 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78.
[2025-05-07 17:27:06,329 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 36 states have internal predecessors, (36), 23 states have call successors, (25), 20 states have call predecessors, (25), 20 states have return successors, (25), 21 states have call predecessors, (25), 23 states have call successors, (25)
[2025-05-07 17:27:06,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions.
[2025-05-07 17:27:06,333 INFO  L79                 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 59
[2025-05-07 17:27:06,333 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:06,333 INFO  L485      AbstractCegarLoop]: Abstraction has 78 states and 86 transitions.
[2025-05-07 17:27:06,334 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:27:06,334 INFO  L278                IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions.
[2025-05-07 17:27:06,335 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:27:06,335 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:06,335 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]
[2025-05-07 17:27:06,336 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:27:06,336 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:06,336 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:06,336 INFO  L85        PathProgramCache]: Analyzing trace with hash 1930917530, now seen corresponding path program 1 times
[2025-05-07 17:27:06,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:06,336 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062738640]
[2025-05-07 17:27:06,337 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:06,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:06,368 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:27:06,403 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:27:06,403 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:06,403 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:06,519 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 17:27:06,519 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:06,519 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062738640]
[2025-05-07 17:27:06,519 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062738640] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:06,519 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:06,519 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:27:06,519 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751956196]
[2025-05-07 17:27:06,519 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:06,520 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:27:06,520 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:06,521 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:27:06,521 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:27:06,521 INFO  L87              Difference]: Start difference. First operand 78 states and 86 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:27:06,563 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:06,563 INFO  L93              Difference]: Finished difference Result 82 states and 90 transitions.
[2025-05-07 17:27:06,563 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:27:06,564 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 59
[2025-05-07 17:27:06,564 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:06,565 INFO  L225             Difference]: With dead ends: 82
[2025-05-07 17:27:06,565 INFO  L226             Difference]: Without dead ends: 82
[2025-05-07 17:27:06,565 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 17:27:06,565 INFO  L437           NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 410 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 17:27:06,566 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 410 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:06,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2025-05-07 17:27:06,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2025-05-07 17:27:06,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 38 states have internal predecessors, (38), 23 states have call successors, (25), 20 states have call predecessors, (25), 22 states have return successors, (27), 23 states have call predecessors, (27), 23 states have call successors, (27)
[2025-05-07 17:27:06,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions.
[2025-05-07 17:27:06,572 INFO  L79                 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 59
[2025-05-07 17:27:06,572 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:06,572 INFO  L485      AbstractCegarLoop]: Abstraction has 82 states and 90 transitions.
[2025-05-07 17:27:06,572 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:27:06,572 INFO  L278                IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions.
[2025-05-07 17:27:06,573 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:27:06,573 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:06,573 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]
[2025-05-07 17:27:06,573 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:27:06,574 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:06,574 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:06,574 INFO  L85        PathProgramCache]: Analyzing trace with hash 662570004, now seen corresponding path program 1 times
[2025-05-07 17:27:06,574 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:06,574 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287261970]
[2025-05-07 17:27:06,574 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:06,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:06,597 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:27:06,609 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:27:06,609 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:06,609 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:06,741 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 17:27:06,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:06,741 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287261970]
[2025-05-07 17:27:06,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287261970] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:06,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:06,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:27:06,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666194848]
[2025-05-07 17:27:06,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:06,742 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:27:06,742 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:06,743 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:27:06,743 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:27:06,743 INFO  L87              Difference]: Start difference. First operand 82 states and 90 transitions. Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:27:06,761 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:06,761 INFO  L93              Difference]: Finished difference Result 80 states and 87 transitions.
[2025-05-07 17:27:06,762 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:27:06,762 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 59
[2025-05-07 17:27:06,762 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:06,763 INFO  L225             Difference]: With dead ends: 80
[2025-05-07 17:27:06,763 INFO  L226             Difference]: Without dead ends: 78
[2025-05-07 17:27:06,763 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 17:27:06,764 INFO  L437           NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:06,764 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:27:06,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2025-05-07 17:27:06,768 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2025-05-07 17:27:06,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 36 states have internal predecessors, (36), 22 states have call successors, (23), 19 states have call predecessors, (23), 21 states have return successors, (25), 22 states have call predecessors, (25), 22 states have call successors, (25)
[2025-05-07 17:27:06,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions.
[2025-05-07 17:27:06,769 INFO  L79                 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 59
[2025-05-07 17:27:06,769 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:06,769 INFO  L485      AbstractCegarLoop]: Abstraction has 78 states and 84 transitions.
[2025-05-07 17:27:06,769 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:27:06,769 INFO  L278                IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions.
[2025-05-07 17:27:06,770 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2025-05-07 17:27:06,770 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:06,770 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]
[2025-05-07 17:27:06,770 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:27:06,771 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:06,771 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:06,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 1798090456, now seen corresponding path program 1 times
[2025-05-07 17:27:06,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:06,771 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209157906]
[2025-05-07 17:27:06,771 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:06,771 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:06,793 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes.
[2025-05-07 17:27:06,804 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements.
[2025-05-07 17:27:06,804 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:06,804 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:06,976 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 17:27:06,976 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:06,976 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209157906]
[2025-05-07 17:27:06,976 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209157906] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:06,976 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:06,976 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:27:06,977 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080361474]
[2025-05-07 17:27:06,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:06,977 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:27:06,977 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:06,977 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:27:06,978 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:06,978 INFO  L87              Difference]: Start difference. First operand 78 states and 84 transitions. Second operand  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:27:07,112 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:07,112 INFO  L93              Difference]: Finished difference Result 86 states and 92 transitions.
[2025-05-07 17:27:07,113 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:27:07,113 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17) Word has length 62
[2025-05-07 17:27:07,113 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:07,114 INFO  L225             Difference]: With dead ends: 86
[2025-05-07 17:27:07,114 INFO  L226             Difference]: Without dead ends: 86
[2025-05-07 17:27:07,115 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:27:07,115 INFO  L437           NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:07,116 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 748 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:07,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2025-05-07 17:27:07,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82.
[2025-05-07 17:27:07,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 38 states have internal predecessors, (38), 22 states have call successors, (23), 19 states have call predecessors, (23), 23 states have return successors, (27), 24 states have call predecessors, (27), 22 states have call successors, (27)
[2025-05-07 17:27:07,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions.
[2025-05-07 17:27:07,122 INFO  L79                 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 62
[2025-05-07 17:27:07,123 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:07,123 INFO  L485      AbstractCegarLoop]: Abstraction has 82 states and 88 transitions.
[2025-05-07 17:27:07,123 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:27:07,123 INFO  L278                IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions.
[2025-05-07 17:27:07,124 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2025-05-07 17:27:07,124 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:27:07,125 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]
[2025-05-07 17:27:07,125 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:27:07,125 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:27:07,125 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:27:07,125 INFO  L85        PathProgramCache]: Analyzing trace with hash 155161413, now seen corresponding path program 1 times
[2025-05-07 17:27:07,125 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:27:07,126 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383323789]
[2025-05-07 17:27:07,126 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:27:07,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:27:07,145 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes.
[2025-05-07 17:27:07,158 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements.
[2025-05-07 17:27:07,159 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:27:07,159 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:27:07,300 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 17:27:07,300 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:27:07,301 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383323789]
[2025-05-07 17:27:07,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383323789] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:27:07,301 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:27:07,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:27:07,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244104847]
[2025-05-07 17:27:07,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:27:07,301 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:27:07,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:27:07,302 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:27:07,302 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:27:07,302 INFO  L87              Difference]: Start difference. First operand 82 states and 88 transitions. Second operand  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:27:07,405 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:27:07,406 INFO  L93              Difference]: Finished difference Result 76 states and 82 transitions.
[2025-05-07 17:27:07,406 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:27:07,406 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17) Word has length 62
[2025-05-07 17:27:07,407 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:27:07,407 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:27:07,407 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:27:07,407 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:27:07,408 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:27:07,408 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 675 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:27:07,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:27:07,409 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:27:07,409 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 17:27:07,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:27:07,409 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62
[2025-05-07 17:27:07,409 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:27:07,409 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:27:07,409 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:27:07,409 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:27:07,409 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:27:07,411 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:27:07,412 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:27:07,414 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:27:07,416 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:27:07,418 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:27:07 BoogieIcfgContainer
[2025-05-07 17:27:07,419 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:27:07,419 INFO  L158              Benchmark]: Toolchain (without parser) took 1990.10ms. Allocated memory is still 234.9MB. Free memory was 153.9MB in the beginning and 81.7MB in the end (delta: 72.2MB). Peak memory consumption was 60.7MB. Max. memory is 33.6GB.
[2025-05-07 17:27:07,419 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:07,419 INFO  L158              Benchmark]: ChcToBoogie took 37.27ms. Allocated memory is still 234.9MB. Free memory was 153.9MB in the beginning and 151.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:07,419 INFO  L158              Benchmark]: Boogie Preprocessor took 58.35ms. Allocated memory is still 234.9MB. Free memory was 151.6MB in the beginning and 148.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:27:07,420 INFO  L158              Benchmark]: RCFGBuilder took 311.65ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 122.8MB in the end (delta: 25.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:27:07,420 INFO  L158              Benchmark]: TraceAbstraction took 1578.77ms. Allocated memory is still 234.9MB. Free memory was 122.3MB in the beginning and 81.7MB in the end (delta: 40.6MB). Peak memory consumption was 43.9MB. Max. memory is 33.6GB.
[2025-05-07 17:27:07,421 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 37.27ms. Allocated memory is still 234.9MB. Free memory was 153.9MB in the beginning and 151.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 58.35ms. Allocated memory is still 234.9MB. Free memory was 151.6MB in the beginning and 148.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 311.65ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 122.8MB in the end (delta: 25.8MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1578.77ms. Allocated memory is still 234.9MB. Free memory was 122.3MB in the beginning and 81.7MB in the end (delta: 40.6MB). Peak memory consumption was 43.9MB. 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 21 procedures, 82 locations, 120 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2340 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1934 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 406 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 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 17:27:07,430 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
