/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 06:14:21,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 06:14:21,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 06:14:21,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 06:14:21,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 06:14:21,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 06:14:21,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 06:14:21,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 06:14:21,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 06:14:21,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 06:14:21,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 06:14:21,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 06:14:21,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 06:14:21,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 06:14:21,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 06:14:21,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 06:14:21,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-11-14 06:14:21,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 06:14:21,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 06:14:21,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 06:14:21,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 06:14:21,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 06:14:21,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2024-11-14 06:14:22,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 06:14:23,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 06:14:23,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2024-11-14 06:14:23,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ff1eeaab8/fbda1f0aa7eb491bb4fd84a97f1c8abd/FLAGa277f1afd [2024-11-14 06:14:23,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ff1eeaab8/fbda1f0aa7eb491bb4fd84a97f1c8abd [2024-11-14 06:14:23,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 06:14:23,535 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 06:14:23,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 06:14:23,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 06:14:23,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 06:14:23,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:14:23" (1/1) ... [2024-11-14 06:14:23,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68654be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:23, skipping insertion in model container [2024-11-14 06:14:23,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:14:23" (1/1) ... [2024-11-14 06:14:23,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 06:14:23,905 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2024-11-14 06:14:23,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 06:14:23,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 06:14:24,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2024-11-14 06:14:24,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 06:14:24,068 INFO L204 MainTranslator]: Completed translation [2024-11-14 06:14:24,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24 WrapperNode [2024-11-14 06:14:24,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 06:14:24,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 06:14:24,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 06:14:24,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 06:14:24,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,121 INFO L138 Inliner]: procedures = 274, calls = 142, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 292 [2024-11-14 06:14:24,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 06:14:24,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 06:14:24,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 06:14:24,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 06:14:24,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 06:14:24,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 06:14:24,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 06:14:24,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 06:14:24,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (1/1) ... [2024-11-14 06:14:24,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 06:14:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:24,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 06:14:24,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 06:14:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 06:14:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 06:14:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 06:14:24,222 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 06:14:24,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 06:14:24,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 06:14:24,650 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 06:14:24,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 06:14:24,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 06:14:24,685 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-14 06:14:24,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:14:24 BoogieIcfgContainer [2024-11-14 06:14:24,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 06:14:24,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 06:14:24,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 06:14:24,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 06:14:24,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:14:23" (1/3) ... [2024-11-14 06:14:24,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:14:24, skipping insertion in model container [2024-11-14 06:14:24,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:24" (2/3) ... [2024-11-14 06:14:24,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:14:24, skipping insertion in model container [2024-11-14 06:14:24,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:14:24" (3/3) ... [2024-11-14 06:14:24,691 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_74-tricky_address1_racefree.i [2024-11-14 06:14:24,701 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 06:14:24,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_74-tricky_address1_racefree.i that has 2 procedures, 266 locations, 1 initial locations, 13 loop locations, and 2 error locations. [2024-11-14 06:14:24,702 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 06:14:24,752 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 06:14:24,790 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 06:14:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:24,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 06:14:24,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 06:14:24,866 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 06:14:24,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-14 06:14:24,884 INFO L333 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;@7c3c4ac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:24,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 06:14:25,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:25,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:25,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1529352722, now seen corresponding path program 1 times [2024-11-14 06:14:25,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743114811] [2024-11-14 06:14:25,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:25,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:25,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743114811] [2024-11-14 06:14:25,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743114811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:25,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:25,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 06:14:25,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214165030] [2024-11-14 06:14:25,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:25,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 06:14:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:25,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 06:14:25,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 06:14:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:25,494 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:25,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 states have internal predecessors, (166), 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) [2024-11-14 06:14:25,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:27,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 06:14:27,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:27,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:27,667 INFO L85 PathProgramCache]: Analyzing trace with hash 285316317, now seen corresponding path program 1 times [2024-11-14 06:14:27,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:27,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242069600] [2024-11-14 06:14:27,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:27,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:27,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:27,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242069600] [2024-11-14 06:14:27,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242069600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:27,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:27,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:14:27,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339648766] [2024-11-14 06:14:27,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:27,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:14:27,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:27,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:14:27,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:14:27,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:27,894 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:27,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2024-11-14 06:14:27,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:27,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:28,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 06:14:28,011 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:28,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:28,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1157867302, now seen corresponding path program 1 times [2024-11-14 06:14:28,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:28,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585714680] [2024-11-14 06:14:28,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:28,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:28,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:28,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585714680] [2024-11-14 06:14:28,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585714680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:28,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358674918] [2024-11-14 06:14:28,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:28,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:28,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:28,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:28,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 06:14:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:28,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 06:14:28,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:28,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:14:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:28,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358674918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:14:28,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:14:28,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 06:14:28,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974227719] [2024-11-14 06:14:28,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:14:28,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 06:14:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:28,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 06:14:28,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 06:14:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,432 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:28,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 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) [2024-11-14 06:14:28,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:28,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:28,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 06:14:28,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:28,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:28,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:28,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1722210938, now seen corresponding path program 2 times [2024-11-14 06:14:28,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:28,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413586151] [2024-11-14 06:14:28,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413586151] [2024-11-14 06:14:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413586151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387458895] [2024-11-14 06:14:29,028 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 06:14:29,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:29,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:29,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:29,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 06:14:29,143 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 06:14:29,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:14:29,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-14 06:14:29,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:31,494 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 06:14:31,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 06:14:31,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 56 [2024-11-14 06:14:32,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 56 [2024-11-14 06:14:33,099 INFO L349 Elim1Store]: treesize reduction 78, result has 3.7 percent of original size [2024-11-14 06:14:33,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 37 [2024-11-14 06:14:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 06:14:33,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 06:14:33,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387458895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:33,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 06:14:33,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [9] total 33 [2024-11-14 06:14:33,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504858038] [2024-11-14 06:14:33,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:33,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 06:14:33,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:33,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 06:14:33,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 06:14:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:33,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:33,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.5) internal successors, (169), 26 states have internal predecessors, (169), 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) [2024-11-14 06:14:33,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:33,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:33,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:33,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:35,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 06:14:35,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 06:14:35,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:35,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:35,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:35,648 INFO L85 PathProgramCache]: Analyzing trace with hash 42912845, now seen corresponding path program 1 times [2024-11-14 06:14:35,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:35,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406868758] [2024-11-14 06:14:35,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:35,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 06:14:35,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:35,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406868758] [2024-11-14 06:14:35,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406868758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:35,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:35,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 06:14:35,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751764771] [2024-11-14 06:14:35,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:35,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 06:14:35,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:35,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 06:14:35,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 06:14:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:35,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:35,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 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) [2024-11-14 06:14:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-14 06:14:35,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-14 06:14:36,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 06:14:36,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 06:14:36,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 06:14:36,817 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-14 06:14:36,818 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2024-11-14 06:14:36,821 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:36,822 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 06:14:36,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 06:14:36,822 INFO L333 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;@7c3c4ac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:36,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 06:14:36,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:36,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1669562521, now seen corresponding path program 1 times [2024-11-14 06:14:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:36,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753463283] [2024-11-14 06:14:36,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:36,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:36,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:36,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753463283] [2024-11-14 06:14:36,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753463283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:36,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:36,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 06:14:36,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478798165] [2024-11-14 06:14:36,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:36,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 06:14:36,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:36,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 06:14:36,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 06:14:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:36,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 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) [2024-11-14 06:14:36,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 06:14:36,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:36,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:36,873 INFO L85 PathProgramCache]: Analyzing trace with hash 973241587, now seen corresponding path program 1 times [2024-11-14 06:14:36,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:36,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929219811] [2024-11-14 06:14:36,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:36,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:36,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:36,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929219811] [2024-11-14 06:14:36,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929219811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:36,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:36,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:14:36,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299008441] [2024-11-14 06:14:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:36,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:14:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:36,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:14:36,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:14:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,920 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:36,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-11-14 06:14:36,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:36,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:36,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 06:14:36,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1869253514, now seen corresponding path program 1 times [2024-11-14 06:14:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:36,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713193960] [2024-11-14 06:14:36,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713193960] [2024-11-14 06:14:37,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713193960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649256093] [2024-11-14 06:14:37,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:37,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:37,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:37,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:37,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 06:14:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:37,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 06:14:37,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:14:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649256093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:14:37,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:14:37,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 06:14:37,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199246258] [2024-11-14 06:14:37,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:14:37,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 06:14:37,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:37,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 06:14:37,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 06:14:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:37,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.0) internal successors, (160), 10 states have internal predecessors, (160), 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) [2024-11-14 06:14:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:37,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 06:14:37,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:37,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:37,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:37,473 INFO L85 PathProgramCache]: Analyzing trace with hash 681247018, now seen corresponding path program 2 times [2024-11-14 06:14:37,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:37,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106240419] [2024-11-14 06:14:37,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:37,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106240419] [2024-11-14 06:14:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106240419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:37,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560955830] [2024-11-14 06:14:37,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 06:14:37,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:37,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:37,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:37,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 06:14:37,712 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 06:14:37,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:14:37,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 06:14:37,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:14:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:37,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560955830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:14:37,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:14:37,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 06:14:37,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440360458] [2024-11-14 06:14:37,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:14:37,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 06:14:37,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:37,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 06:14:37,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 06:14:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,815 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.0) internal successors, (180), 18 states have internal predecessors, (180), 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) [2024-11-14 06:14:37,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:37,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:37,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:14:37,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 06:14:38,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:38,154 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:38,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:38,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1016441750, now seen corresponding path program 3 times [2024-11-14 06:14:38,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:38,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419619312] [2024-11-14 06:14:38,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:38,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:38,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:38,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419619312] [2024-11-14 06:14:38,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419619312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:38,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511581896] [2024-11-14 06:14:38,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 06:14:38,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:38,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:38,434 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:38,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 06:14:38,555 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 06:14:38,555 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:14:38,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 06:14:38,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:38,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:14:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:38,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511581896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:14:38,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:14:38,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-14 06:14:38,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699382163] [2024-11-14 06:14:38,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:14:38,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 06:14:38,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:38,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 06:14:38,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-14 06:14:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:38,744 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:38,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.478260869565217) internal successors, (195), 23 states have internal predecessors, (195), 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) [2024-11-14 06:14:38,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:38,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:38,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:38,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:14:38,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:14:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-14 06:14:38,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 06:14:39,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 06:14:39,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 06:14:39,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:39,156 INFO L85 PathProgramCache]: Analyzing trace with hash 544763091, now seen corresponding path program 4 times [2024-11-14 06:14:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724692230] [2024-11-14 06:14:39,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 06:14:39,199 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 06:14:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 06:14:39,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 06:14:39,248 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 06:14:39,248 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-14 06:14:39,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-14 06:14:39,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 06:14:39,249 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-11-14 06:14:39,249 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2024-11-14 06:14:39,250 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-14 06:14:39,250 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-14 06:14:39,276 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 06:14:39,282 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:39,285 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 06:14:39,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-11-14 06:14:39,286 INFO L333 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;@7c3c4ac7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 06:14:39,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 06:14:40,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:40,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash 367666926, now seen corresponding path program 1 times [2024-11-14 06:14:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600312443] [2024-11-14 06:14:40,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:40,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:40,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:40,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600312443] [2024-11-14 06:14:40,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600312443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:40,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:40,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 06:14:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273677389] [2024-11-14 06:14:40,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:40,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 06:14:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:40,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 06:14:40,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 06:14:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:40,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:40,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 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) [2024-11-14 06:14:40,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:50,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 06:14:50,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1949488699, now seen corresponding path program 1 times [2024-11-14 06:14:50,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:50,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799832196] [2024-11-14 06:14:50,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:50,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:50,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799832196] [2024-11-14 06:14:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799832196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:14:50,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:14:50,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 06:14:50,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738916206] [2024-11-14 06:14:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:14:50,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 06:14:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:50,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 06:14:50,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 06:14:50,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:50,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:50,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2024-11-14 06:14:50,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:50,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:54,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 06:14:54,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:54,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:54,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1328715537, now seen corresponding path program 1 times [2024-11-14 06:14:54,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:54,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481687476] [2024-11-14 06:14:54,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481687476] [2024-11-14 06:14:54,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481687476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801202533] [2024-11-14 06:14:54,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:54,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:54,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:54,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:54,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 06:14:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:54,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 06:14:54,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:14:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:54,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:14:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801202533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:14:54,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:14:54,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 06:14:54,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150091772] [2024-11-14 06:14:54,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:14:54,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 06:14:54,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:14:54,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 06:14:54,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 06:14:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:54,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:14:54,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 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) [2024-11-14 06:14:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:14:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:14:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:14:57,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 06:14:58,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:58,026 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:14:58,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:14:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2113939567, now seen corresponding path program 2 times [2024-11-14 06:14:58,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:14:58,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270963448] [2024-11-14 06:14:58,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:14:58,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:14:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:14:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:14:58,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:14:58,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270963448] [2024-11-14 06:14:58,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270963448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:14:58,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459173958] [2024-11-14 06:14:58,177 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 06:14:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:14:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:14:58,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:14:58,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 06:14:58,302 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 06:14:58,302 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 06:14:58,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-14 06:14:58,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:15:00,568 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 06:15:00,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 06:15:00,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 56 [2024-11-14 06:15:01,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 56 [2024-11-14 06:15:02,195 INFO L349 Elim1Store]: treesize reduction 78, result has 3.7 percent of original size [2024-11-14 06:15:02,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 37 [2024-11-14 06:15:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 06:15:02,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 06:15:02,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459173958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:15:02,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 06:15:02,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [9] total 33 [2024-11-14 06:15:02,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161269773] [2024-11-14 06:15:02,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:15:02,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 06:15:02,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:15:02,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 06:15:02,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 06:15:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:02,249 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:15:02,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.961538461538462) internal successors, (181), 26 states have internal predecessors, (181), 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) [2024-11-14 06:15:02,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:02,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:15:02,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:15:02,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:15:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:15:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 06:15:08,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 06:15:08,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:15:08,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:15:08,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:15:08,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2056960470, now seen corresponding path program 1 times [2024-11-14 06:15:08,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 06:15:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535322155] [2024-11-14 06:15:08,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:15:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 06:15:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:15:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:15:09,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 06:15:09,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535322155] [2024-11-14 06:15:09,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535322155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 06:15:09,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102841409] [2024-11-14 06:15:09,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:15:09,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:15:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 06:15:09,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 06:15:09,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 06:15:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:15:09,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 06:15:09,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:15:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:15:09,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 06:15:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 06:15:09,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102841409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 06:15:09,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 06:15:09,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 06:15:09,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382879380] [2024-11-14 06:15:09,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 06:15:09,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 06:15:09,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 06:15:09,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 06:15:09,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 06:15:09,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:09,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 06:15:09,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 18 states have internal predecessors, (220), 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) [2024-11-14 06:15:09,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:09,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:15:09,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:15:09,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-14 06:15:09,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 06:15:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 06:15:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:15:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 06:15:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 06:15:12,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 06:15:12,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 06:15:12,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:15:12,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-14 06:15:12,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-14 06:15:12,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |t_funThread1of2ForFork0_~p~0#1.offset| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsFuns.computeTermVarsProc(TermVarsFuns.java:96) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsFuns.computeTermVarsFuns(TermVarsFuns.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:91) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:80) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:127) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation$ConditionGeneratorIndependence.getCommutativityCondition(SemanticIndependenceRelation.java:425) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation$ConditionGeneratorIndependence.getCommutativityCondition(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.TermTransferringIndependenceRelation$SymbolicTransferringIndependence.getCommutativityCondition(TermTransferringIndependenceRelation.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.TermTransferringIndependenceRelation$SymbolicTransferringIndependence.getCommutativityCondition(TermTransferringIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ProtectedIndependenceRelation$SymbolicProtectedIndependence.getCommutativityCondition(ProtectedIndependenceRelation.java:144) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation$SymbolicUnionIndependence.lambda$1(UnionIndependenceRelation.java:143) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1685) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.findAny(ReferencePipeline.java:652) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceBuilder$ActionIndependenceBuilder.lambda$0(IndependenceBuilder.java:399) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation$SymbolicUnionIndependence.getCommutativityCondition(UnionIndependenceRelation.java:142) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation$SymbolicConditionTransformingIndependence.getCommutativityCondition(ConditionTransformingIndependenceRelation.java:152) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getSingleCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:176) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:158) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation$SymbolicConditionTransformingIndependence.getCommutativityCondition(ConditionTransformingIndependenceRelation.java:152) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation$SymbolicThreadSeparatingIndependence.getCommutativityCondition(ThreadSeparatingIndependenceRelation.java:109) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation$SymbolicThreadSeparatingIndependence.getCommutativityCondition(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.generateRawCondition(ConditionalCommutativityChecker.java:216) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.generateCondition(ConditionalCommutativityChecker.java:193) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.checkConditionalCommutativityInternal(ConditionalCommutativityChecker.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.ConditionalCommutativityCounterexampleChecker.getCommutativityProof(ConditionalCommutativityCounterexampleChecker.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 06:15:12,855 INFO L158 Benchmark]: Toolchain (without parser) took 49321.68ms. Allocated memory was 100.7MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 69.7MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-11-14 06:15:12,855 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 06:15:12,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.82ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 37.2MB in the end (delta: 32.3MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-11-14 06:15:12,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.49ms. Allocated memory is still 100.7MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 06:15:12,855 INFO L158 Benchmark]: Boogie Preprocessor took 42.83ms. Allocated memory is still 100.7MB. Free memory was 34.2MB in the beginning and 32.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 06:15:12,856 INFO L158 Benchmark]: RCFGBuilder took 520.93ms. Allocated memory is still 100.7MB. Free memory was 32.0MB in the beginning and 51.3MB in the end (delta: -19.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2024-11-14 06:15:12,856 INFO L158 Benchmark]: TraceAbstraction took 48167.50ms. Allocated memory was 100.7MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 50.8MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-11-14 06:15:12,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 533.82ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 37.2MB in the end (delta: 32.3MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.49ms. Allocated memory is still 100.7MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 42.83ms. Allocated memory is still 100.7MB. Free memory was 34.2MB in the beginning and 32.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 520.93ms. Allocated memory is still 100.7MB. Free memory was 32.0MB in the beginning and 51.3MB in the end (delta: -19.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * TraceAbstraction took 48167.50ms. Allocated memory was 100.7MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 50.8MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. 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: 29835, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 1504, dependent conditional: 1379, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28661, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 330, dependent conditional: 205, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28661, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 330, dependent conditional: 205, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 547, dependent conditional: 422, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7, independent unconditional: 28324, dependent: 547, dependent conditional: 33, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7, independent unconditional: 28324, dependent: 547, dependent conditional: 33, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10783, independent: 10625, independent conditional: 4, independent unconditional: 10621, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10783, independent: 10554, independent conditional: 0, independent unconditional: 10554, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 229, independent: 71, independent conditional: 4, independent unconditional: 67, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 229, independent: 71, independent conditional: 4, independent unconditional: 67, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2952, independent: 600, independent conditional: 91, independent unconditional: 509, dependent: 2352, dependent conditional: 628, dependent unconditional: 1724, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 28878, independent: 17706, independent conditional: 3, independent unconditional: 17703, dependent: 389, dependent conditional: 0, dependent unconditional: 389, unknown: 10783, unknown conditional: 37, unknown unconditional: 10746] , Statistics on independence cache: Total cache size (in pairs): 10783, Positive cache size: 10625, Positive conditional cache size: 4, Positive unconditional cache size: 10621, Negative cache size: 158, Negative conditional cache size: 33, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7906, Maximal queried relation: 2, Independence queries for same thread: 1174, Persistent sets #1 benchmarks: Persistent set computation time: 2.5s, Number of persistent set computation: 1830, Number of trivial persistent sets: 1581, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20932, independent: 20807, independent conditional: 0, independent unconditional: 20807, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29835, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 1504, dependent conditional: 1379, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28661, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 330, dependent conditional: 205, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28661, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 330, dependent conditional: 205, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7524, independent unconditional: 20807, dependent: 547, dependent conditional: 422, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7, independent unconditional: 28324, dependent: 547, dependent conditional: 33, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28878, independent: 28331, independent conditional: 7, independent unconditional: 28324, dependent: 547, dependent conditional: 33, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10783, independent: 10625, independent conditional: 4, independent unconditional: 10621, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10783, independent: 10554, independent conditional: 0, independent unconditional: 10554, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 229, independent: 71, independent conditional: 4, independent unconditional: 67, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 229, independent: 71, independent conditional: 4, independent unconditional: 67, dependent: 158, dependent conditional: 33, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2952, independent: 600, independent conditional: 91, independent unconditional: 509, dependent: 2352, dependent conditional: 628, dependent unconditional: 1724, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 28878, independent: 17706, independent conditional: 3, independent unconditional: 17703, dependent: 389, dependent conditional: 0, dependent unconditional: 389, unknown: 10783, unknown conditional: 37, unknown unconditional: 10746] , Statistics on independence cache: Total cache size (in pairs): 10783, Positive cache size: 10625, Positive conditional cache size: 4, Positive unconditional cache size: 10621, Negative cache size: 158, Negative conditional cache size: 33, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7906, Maximal queried relation: 2, Independence queries for same thread: 1174 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2816, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 325, dependent conditional: 319, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 0, independent unconditional: 2491, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 0, independent unconditional: 2491, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2497, independent: 2479, independent conditional: 0, independent unconditional: 2479, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 10759, Positive cache size: 10633, Positive conditional cache size: 0, Positive unconditional cache size: 10633, Negative cache size: 126, Negative conditional cache size: 0, Negative unconditional cache size: 126, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, Independence queries for same thread: 319, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 170, Number of trivial persistent sets: 167, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2359, independent: 2353, independent conditional: 0, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2816, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 325, dependent conditional: 319, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 138, independent unconditional: 2353, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 0, independent unconditional: 2491, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2497, independent: 2491, independent conditional: 0, independent unconditional: 2491, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2497, independent: 2479, independent conditional: 0, independent unconditional: 2479, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 10759, Positive cache size: 10633, Positive conditional cache size: 0, Positive unconditional cache size: 10633, Negative cache size: 126, Negative conditional cache size: 0, Negative unconditional cache size: 126, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, Independence queries for same thread: 319 - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |t_funThread1of2ForFork0_~p~0#1.offset| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |t_funThread1of2ForFork0_~p~0#1.offset|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsFuns.computeTermVarsProc(TermVarsFuns.java:96) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-14 06:15:12,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...