/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:37:16,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:37:16,542 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:37:16,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:37:16,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:37:16,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:37:16,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:37:16,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:37:16,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:37:16,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:37:16,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:37:16,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:37:16,562 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:37:16,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:37:16,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:37:16,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:37:16,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:37:16,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:37:16,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:37:16,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:37:16,764 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:37:16,765 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:37:16,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2025-04-14 11:37:18,076 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6d82e5a/08f006325d9b49bd8761357aa480bc28/FLAG0c7217ff5 [2025-04-14 11:37:18,298 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:37:18,299 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2025-04-14 11:37:18,313 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6d82e5a/08f006325d9b49bd8761357aa480bc28/FLAG0c7217ff5 [2025-04-14 11:37:19,077 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6d82e5a/08f006325d9b49bd8761357aa480bc28 [2025-04-14 11:37:19,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:37:19,080 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:37:19,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:37:19,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:37:19,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:37:19,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b373bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19, skipping insertion in model container [2025-04-14 11:37:19,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:37:19,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2025-04-14 11:37:19,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:37:19,343 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:37:19,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2025-04-14 11:37:19,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:37:19,420 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:37:19,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19 WrapperNode [2025-04-14 11:37:19,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:37:19,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:37:19,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:37:19,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:37:19,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,458 INFO L138 Inliner]: procedures = 163, calls = 54, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2025-04-14 11:37:19,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:37:19,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:37:19,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:37:19,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:37:19,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:37:19,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:37:19,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:37:19,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:37:19,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (1/1) ... [2025-04-14 11:37:19,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:37:19,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:37:19,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 11:37:19,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 11:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2025-04-14 11:37:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2025-04-14 11:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:37:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-14 11:37:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-14 11:37:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:37:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:37:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:37:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:37:19,524 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:37:19,620 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:37:19,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:37:19,845 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:37:19,845 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:37:19,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:37:19,979 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 11:37:19,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:37:19 BoogieIcfgContainer [2025-04-14 11:37:19,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:37:19,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:37:19,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:37:19,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:37:19,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:37:19" (1/3) ... [2025-04-14 11:37:19,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188915fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:37:19, skipping insertion in model container [2025-04-14 11:37:19,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:37:19" (2/3) ... [2025-04-14 11:37:19,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188915fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:37:19, skipping insertion in model container [2025-04-14 11:37:19,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:37:19" (3/3) ... [2025-04-14 11:37:19,989 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2025-04-14 11:37:19,998 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:37:20,000 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_27-multiple-protecting2_true.i that has 3 procedures, 77 locations, 78 edges, 1 initial locations, 0 loop locations, and 4 error locations. [2025-04-14 11:37:20,000 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:37:20,055 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 11:37:20,091 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:37:20,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:37:20,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:37:20,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:37:20,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:37:20,176 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:37:20,189 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 11:37:20,196 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@452e4d0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:37:20,196 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-04-14 11:37:20,754 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-04-14 11:37:20,754 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:37:20,755 INFO L139 ounterexampleChecker]: Examining path program with hash -1286927830, occurence #1 [2025-04-14 11:37:20,755 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:37:20,755 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:37:20,758 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:37:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1089404991, now seen corresponding path program 1 times [2025-04-14 11:37:20,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:37:20,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277964780] [2025-04-14 11:37:20,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:37:20,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:37:20,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-14 11:37:20,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 11:37:20,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:37:20,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:37:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:37:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:37:21,267 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277964780] [2025-04-14 11:37:21,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277964780] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:37:21,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:37:21,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:37:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609324468] [2025-04-14 11:37:21,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:37:21,272 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 11:37:21,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:37:21,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 11:37:21,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 11:37:21,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:21,287 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:37:21,288 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2025-04-14 11:37:21,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:21,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:21,395 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:37:21,397 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-04-14 11:37:21,397 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:37:21,397 INFO L139 ounterexampleChecker]: Examining path program with hash -431269064, occurence #1 [2025-04-14 11:37:21,397 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:37:21,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:37:21,398 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:37:21,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2128852004, now seen corresponding path program 1 times [2025-04-14 11:37:21,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:37:21,398 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360060474] [2025-04-14 11:37:21,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:37:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:37:21,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-14 11:37:21,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 11:37:21,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:37:21,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:37:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:37:21,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:37:21,656 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360060474] [2025-04-14 11:37:21,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360060474] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:37:21,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:37:21,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:37:21,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936453066] [2025-04-14 11:37:21,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:37:21,657 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 11:37:21,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:37:21,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 11:37:21,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 11:37:21,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:21,658 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:37:21,658 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2025-04-14 11:37:21,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:21,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:22,278 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:22,278 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:22,278 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 11:37:22,279 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-04-14 11:37:22,279 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:37:22,279 INFO L139 ounterexampleChecker]: Examining path program with hash 1857897585, occurence #1 [2025-04-14 11:37:22,279 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:37:22,279 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:37:22,279 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:37:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash 915025850, now seen corresponding path program 2 times [2025-04-14 11:37:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:37:22,280 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907879542] [2025-04-14 11:37:22,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:37:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:37:22,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 1 equivalence classes. [2025-04-14 11:37:22,301 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 11:37:22,301 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 11:37:22,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:37:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:37:22,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:37:22,431 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907879542] [2025-04-14 11:37:22,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907879542] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:37:22,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:37:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:37:22,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199630330] [2025-04-14 11:37:22,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:37:22,431 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 11:37:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:37:22,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 11:37:22,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-14 11:37:22,432 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:22,432 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:37:22,432 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2025-04-14 11:37:22,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:22,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:22,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:22,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:22,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:22,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:22,699 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 11:37:22,700 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-04-14 11:37:22,700 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:37:22,700 INFO L139 ounterexampleChecker]: Examining path program with hash -252230823, occurence #1 [2025-04-14 11:37:22,700 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:37:22,700 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:37:22,700 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:37:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1862404767, now seen corresponding path program 1 times [2025-04-14 11:37:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:37:22,701 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106747892] [2025-04-14 11:37:22,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:37:22,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:37:22,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-04-14 11:37:22,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 11:37:22,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:37:22,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:37:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:37:22,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:37:22,936 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106747892] [2025-04-14 11:37:22,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106747892] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:37:22,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:37:22,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 11:37:22,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575761472] [2025-04-14 11:37:22,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:37:22,937 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 11:37:22,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:37:22,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 11:37:22,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-14 11:37:22,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:22,937 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:37:22,938 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2025-04-14 11:37:22,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:37:22,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:22,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:22,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:24,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:24,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:24,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:24,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:24,479 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 11:37:24,479 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2025-04-14 11:37:24,479 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:37:24,479 INFO L139 ounterexampleChecker]: Examining path program with hash 1227249241, occurence #1 [2025-04-14 11:37:24,479 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:37:24,479 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:37:24,480 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:37:24,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1417708674, now seen corresponding path program 1 times [2025-04-14 11:37:24,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:37:24,480 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621735408] [2025-04-14 11:37:24,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:37:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:37:24,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 11:37:24,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 11:37:24,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:37:24,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:37:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:37:24,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:37:24,646 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621735408] [2025-04-14 11:37:24,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621735408] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:37:24,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:37:24,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:37:24,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453191231] [2025-04-14 11:37:24,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:37:24,646 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 11:37:24,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:37:24,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 11:37:24,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-14 11:37:24,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:24,647 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:37:24,647 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-04-14 11:37:24,647 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:24,647 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:24,647 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:24,647 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:24,647 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:37:25,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:25,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:37:25,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:25,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:25,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:37:25,639 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2025-04-14 11:37:25,639 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2025-04-14 11:37:25,639 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2025-04-14 11:37:25,640 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2025-04-14 11:37:25,640 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2025-04-14 11:37:25,640 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2025-04-14 11:37:25,640 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 11:37:25,646 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-04-14 11:37:25,647 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:37:25,647 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:37:25,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 11:37:25,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:37:25 BasicIcfg [2025-04-14 11:37:25,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:37:25,657 INFO L158 Benchmark]: Toolchain (without parser) took 6577.77ms. Allocated memory was 155.2MB in the beginning and 377.5MB in the end (delta: 222.3MB). Free memory was 106.2MB in the beginning and 267.4MB in the end (delta: -161.3MB). Peak memory consumption was 215.7MB. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 159.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.37ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 82.9MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.48ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: Boogie Preprocessor took 20.52ms. Allocated memory is still 155.2MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: RCFGBuilder took 499.89ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 38.0MB in the end (delta: 41.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2025-04-14 11:37:25,658 INFO L158 Benchmark]: TraceAbstraction took 5674.98ms. Allocated memory was 155.2MB in the beginning and 377.5MB in the end (delta: 222.3MB). Free memory was 37.4MB in the beginning and 267.4MB in the end (delta: -230.0MB). Peak memory consumption was 152.8MB. Max. memory is 8.0GB. [2025-04-14 11:37:25,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 159.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.37ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 82.9MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.48ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 20.52ms. Allocated memory is still 155.2MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 499.89ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 38.0MB in the end (delta: 41.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5674.98ms. Allocated memory was 155.2MB in the beginning and 377.5MB in the end (delta: 222.3MB). Free memory was 37.4MB in the beginning and 267.4MB in the end (delta: -230.0MB). Peak memory consumption was 152.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6395, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 393, dependent conditional: 258, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6201, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 199, dependent conditional: 64, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6201, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 199, dependent conditional: 64, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 667, dependent conditional: 532, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 156, independent unconditional: 5846, dependent: 667, dependent conditional: 176, dependent unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 156, independent unconditional: 5846, dependent: 667, dependent conditional: 176, dependent unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2371, independent: 2182, independent conditional: 42, independent unconditional: 2140, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2371, independent: 2022, independent conditional: 0, independent unconditional: 2022, dependent: 349, dependent conditional: 0, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 349, independent: 160, independent conditional: 42, independent unconditional: 118, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 349, independent: 160, independent conditional: 42, independent unconditional: 118, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3015, independent: 1277, independent conditional: 376, independent unconditional: 901, dependent: 1737, dependent conditional: 463, dependent unconditional: 1274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6669, independent: 3820, independent conditional: 114, independent unconditional: 3706, dependent: 478, dependent conditional: 122, dependent unconditional: 356, unknown: 2371, unknown conditional: 96, unknown unconditional: 2275] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2182, Positive conditional cache size: 42, Positive unconditional cache size: 2140, Negative cache size: 189, Negative conditional cache size: 54, Negative unconditional cache size: 135, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4062, Maximal queried relation: 5, Independence queries for same thread: 194, Persistent sets #1 benchmarks: Persistent set computation time: 2.4s, Number of persistent set computation: 1690, Number of trivial persistent sets: 1690, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2275, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6395, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 393, dependent conditional: 258, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6201, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 199, dependent conditional: 64, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6201, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 199, dependent conditional: 64, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 3862, independent unconditional: 2140, dependent: 667, dependent conditional: 532, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 156, independent unconditional: 5846, dependent: 667, dependent conditional: 176, dependent unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6669, independent: 6002, independent conditional: 156, independent unconditional: 5846, dependent: 667, dependent conditional: 176, dependent unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2371, independent: 2182, independent conditional: 42, independent unconditional: 2140, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2371, independent: 2022, independent conditional: 0, independent unconditional: 2022, dependent: 349, dependent conditional: 0, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 349, independent: 160, independent conditional: 42, independent unconditional: 118, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 349, independent: 160, independent conditional: 42, independent unconditional: 118, dependent: 189, dependent conditional: 54, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3015, independent: 1277, independent conditional: 376, independent unconditional: 901, dependent: 1737, dependent conditional: 463, dependent unconditional: 1274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6669, independent: 3820, independent conditional: 114, independent unconditional: 3706, dependent: 478, dependent conditional: 122, dependent unconditional: 356, unknown: 2371, unknown conditional: 96, unknown unconditional: 2275] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2182, Positive conditional cache size: 42, Positive unconditional cache size: 2140, Negative cache size: 189, Negative conditional cache size: 54, Negative unconditional cache size: 135, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4062, Maximal queried relation: 5, Independence queries for same thread: 194 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 107 locations, 110 edges, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 11:37:25,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...