/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-9b88b13 [2024-11-17 12:00:21,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 12:00:21,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-17 12:00:21,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 12:00:21,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 12:00:21,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 12:00:21,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 12:00:21,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 12:00:21,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 12:00:21,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 12:00:21,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 12:00:21,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 12:00:21,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 12:00:21,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 12:00:21,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-17 12:00:21,466 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-17 12:00:21,466 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 [2024-11-17 12:00:21,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 12:00:21,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 12:00:21,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 12:00:21,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 12:00:21,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 12:00:21,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2024-11-17 12:00:23,139 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1d6eea83d/1ffb00860ffa4e5d9b8dacac375374c3/FLAG2d767e952 [2024-11-17 12:00:23,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 12:00:23,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/queue_ok_longer.i [2024-11-17 12:00:23,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1d6eea83d/1ffb00860ffa4e5d9b8dacac375374c3/FLAG2d767e952 [2024-11-17 12:00:23,473 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1d6eea83d/1ffb00860ffa4e5d9b8dacac375374c3 [2024-11-17 12:00:23,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 12:00:23,477 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-17 12:00:23,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 12:00:23,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 12:00:23,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 12:00:23,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:00:23" (1/1) ... [2024-11-17 12:00:23,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3065ed1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:23, skipping insertion in model container [2024-11-17 12:00:23,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:00:23" (1/1) ... [2024-11-17 12:00:23,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 12:00:23,838 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/pthread/queue_ok_longer.i[43272,43285] [2024-11-17 12:00:23,843 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/pthread/queue_ok_longer.i[43545,43558] [2024-11-17 12:00:23,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 12:00:23,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 12:00:23,916 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/pthread/queue_ok_longer.i[43272,43285] [2024-11-17 12:00:23,917 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/pthread/queue_ok_longer.i[43545,43558] [2024-11-17 12:00:23,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 12:00:24,001 INFO L204 MainTranslator]: Completed translation [2024-11-17 12:00:24,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24 WrapperNode [2024-11-17 12:00:24,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 12:00:24,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 12:00:24,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 12:00:24,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 12:00:24,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,092 INFO L138 Inliner]: procedures = 274, calls = 852, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 995 [2024-11-17 12:00:24,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 12:00:24,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 12:00:24,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 12:00:24,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 12:00:24,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 12:00:24,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-17 12:00:24,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-17 12:00:24,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-17 12:00:24,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (1/1) ... [2024-11-17 12:00:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 12:00:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:24,186 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) [2024-11-17 12:00:24,190 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 [2024-11-17 12:00:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-17 12:00:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-17 12:00:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-17 12:00:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-17 12:00:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-17 12:00:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 12:00:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 12:00:24,206 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 12:00:24,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-17 12:00:24,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 12:00:25,597 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 12:00:25,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-17 12:00:25,651 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 12:00:25,651 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 12:00:25,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:25 BoogieIcfgContainer [2024-11-17 12:00:25,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-17 12:00:25,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 12:00:25,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 12:00:25,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 12:00:25,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:00:23" (1/3) ... [2024-11-17 12:00:25,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54742bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:25, skipping insertion in model container [2024-11-17 12:00:25,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:24" (2/3) ... [2024-11-17 12:00:25,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54742bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:25, skipping insertion in model container [2024-11-17 12:00:25,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:25" (3/3) ... [2024-11-17 12:00:25,662 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2024-11-17 12:00:25,678 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 12:00:25,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_ok_longer.i that has 3 procedures, 1009 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-17 12:00:25,681 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 12:00:25,813 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-17 12:00:25,880 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:25,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-17 12:00:25,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:25,883 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) [2024-11-17 12:00:25,884 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 [2024-11-17 12:00:25,956 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 12:00:25,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-17 12:00:25,969 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;@53bdd505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:25,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-17 12:00:26,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-17 12:00:26,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:26,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2088542149, now seen corresponding path program 1 times [2024-11-17 12:00:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:26,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877059467] [2024-11-17 12:00:26,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:27,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877059467] [2024-11-17 12:00:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877059467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:27,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:27,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 12:00:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633649870] [2024-11-17 12:00:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:27,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 12:00:27,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:27,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 12:00:27,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 12:00:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:27,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:27,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 427.5) internal successors, (855), 2 states have internal predecessors, (855), 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) [2024-11-17 12:00:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:27,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-17 12:00:27,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-17 12:00:27,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-17 12:00:27,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 12:00:27,464 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 12:00:27,466 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2024-11-17 12:00:27,479 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:27,484 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 12:00:27,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork0 ======== [2024-11-17 12:00:27,485 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;@53bdd505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:27,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-17 12:00:27,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:27,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:27,803 INFO L85 PathProgramCache]: Analyzing trace with hash -248162824, now seen corresponding path program 1 times [2024-11-17 12:00:27,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:27,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517887850] [2024-11-17 12:00:27,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:27,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:28,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:28,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517887850] [2024-11-17 12:00:28,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517887850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:28,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:28,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 12:00:28,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846965343] [2024-11-17 12:00:28,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:28,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 12:00:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:28,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 12:00:28,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 12:00:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:28,492 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:28,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 481.0) internal successors, (962), 2 states have internal predecessors, (962), 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) [2024-11-17 12:00:28,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:28,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 12:00:28,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:28,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:28,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1032328362, now seen corresponding path program 1 times [2024-11-17 12:00:28,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:28,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766174837] [2024-11-17 12:00:28,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:28,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:30,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766174837] [2024-11-17 12:00:30,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766174837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:30,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:30,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 12:00:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448082954] [2024-11-17 12:00:30,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:30,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 12:00:30,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:30,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 12:00:30,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 12:00:30,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:30,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2024-11-17 12:00:30,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:30,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 12:00:30,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:30,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:30,537 INFO L85 PathProgramCache]: Analyzing trace with hash 264798839, now seen corresponding path program 1 times [2024-11-17 12:00:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:30,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853746975] [2024-11-17 12:00:30,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:30,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:30,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853746975] [2024-11-17 12:00:30,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853746975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:30,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:30,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 12:00:30,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346094077] [2024-11-17 12:00:30,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:30,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 12:00:30,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:30,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 12:00:30,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 12:00:30,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,936 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:30,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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) [2024-11-17 12:00:30,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:30,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:30,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 12:00:30,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:30,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:30,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1441226257, now seen corresponding path program 1 times [2024-11-17 12:00:30,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:30,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57955730] [2024-11-17 12:00:30,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:30,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:31,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:31,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57955730] [2024-11-17 12:00:31,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57955730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:00:31,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319035793] [2024-11-17 12:00:31,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:31,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:31,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:31,562 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) [2024-11-17 12:00:31,566 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 [2024-11-17 12:00:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:31,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 12:00:31,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:00:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:32,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:00:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:32,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319035793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:00:32,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:00:32,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 12:00:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258752015] [2024-11-17 12:00:32,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:00:32,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 12:00:32,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:32,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 12:00:32,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 12:00:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:32,160 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:32,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.4) internal successors, (1054), 10 states have internal predecessors, (1054), 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) [2024-11-17 12:00:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:32,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:32,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 12:00:32,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:32,481 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:32,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:32,482 INFO L85 PathProgramCache]: Analyzing trace with hash -588955425, now seen corresponding path program 2 times [2024-11-17 12:00:32,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047900963] [2024-11-17 12:00:32,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:32,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:33,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047900963] [2024-11-17 12:00:33,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047900963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:00:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638928462] [2024-11-17 12:00:33,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 12:00:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:33,431 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) [2024-11-17 12:00:33,432 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 [2024-11-17 12:00:33,764 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 12:00:33,765 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 12:00:33,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 1900 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 12:00:33,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:00:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-17 12:00:33,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 12:00:33,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638928462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:33,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 12:00:33,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-17 12:00:33,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717991069] [2024-11-17 12:00:33,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:33,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 12:00:33,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:33,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 12:00:33,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-17 12:00:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:33,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:33,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2024-11-17 12:00:33,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:33,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:33,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:33,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:33,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:33,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 12:00:34,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:34,099 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:34,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1660480353, now seen corresponding path program 1 times [2024-11-17 12:00:34,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:34,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670833421] [2024-11-17 12:00:34,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:34,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:34,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670833421] [2024-11-17 12:00:34,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670833421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:00:34,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973293399] [2024-11-17 12:00:34,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:34,719 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) [2024-11-17 12:00:34,720 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 [2024-11-17 12:00:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:35,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 12:00:35,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:00:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:35,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:00:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973293399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:00:35,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:00:35,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-17 12:00:35,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378042816] [2024-11-17 12:00:35,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:00:35,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 12:00:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:35,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 12:00:35,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 12:00:35,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:35,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:35,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 65.55555555555556) internal successors, (1180), 18 states have internal predecessors, (1180), 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) [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:35,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:00:35,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 12:00:35,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:35,790 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:35,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:35,791 INFO L85 PathProgramCache]: Analyzing trace with hash -124149439, now seen corresponding path program 2 times [2024-11-17 12:00:35,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:35,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903768987] [2024-11-17 12:00:35,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:35,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:36,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903768987] [2024-11-17 12:00:36,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903768987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:00:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623583954] [2024-11-17 12:00:36,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 12:00:36,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:36,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:36,955 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) [2024-11-17 12:00:36,956 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 [2024-11-17 12:00:37,589 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 12:00:37,589 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 12:00:37,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 2352 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 12:00:37,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:00:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:37,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:00:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:38,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623583954] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:00:38,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:00:38,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-17 12:00:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401500295] [2024-11-17 12:00:38,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:00:38,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 12:00:38,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:38,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 12:00:38,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 12:00:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:38,282 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:38,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 42.23529411764706) internal successors, (1436), 34 states have internal predecessors, (1436), 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) [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:00:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:00:38,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 12:00:39,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:39,098 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:00:39,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash -668922623, now seen corresponding path program 3 times [2024-11-17 12:00:39,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:39,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76777200] [2024-11-17 12:00:39,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:39,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:41,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:41,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76777200] [2024-11-17 12:00:41,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76777200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:00:41,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197475363] [2024-11-17 12:00:41,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 12:00:41,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:00:41,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:41,293 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) [2024-11-17 12:00:41,294 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 [2024-11-17 12:00:42,000 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 12:00:42,000 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 12:00:42,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-17 12:00:42,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:00:45,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 12:00:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 12:00:45,712 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 16 treesize of output 11 [2024-11-17 12:00:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 12:00:45,872 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 27 treesize of output 11 [2024-11-17 12:00:45,910 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 23 treesize of output 11 [2024-11-17 12:00:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 482 proven. 319 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2024-11-17 12:00:45,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:00:46,340 WARN L851 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_59| Int) (v_ArrVal_719 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_719) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (or (not (= 400 (select (store .cse0 (+ (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_59| 4) |c_~#queue~0.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1))) (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_59|)))) is different from false [2024-11-17 12:00:46,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:00:46,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 43 [2024-11-17 12:00:46,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:00:46,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 78 treesize of output 80 [2024-11-17 12:00:46,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 61 treesize of output 53 [2024-11-17 12:00:46,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-11-17 12:00:46,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:00:46,456 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 48 treesize of output 44 [2024-11-17 12:00:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 391 proven. 319 refuted. 0 times theorem prover too weak. 2574 trivial. 91 not checked. [2024-11-17 12:00:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197475363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:00:47,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:00:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 14, 13] total 56 [2024-11-17 12:00:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196554281] [2024-11-17 12:00:47,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:00:47,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-17 12:00:47,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:47,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-17 12:00:47,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=2598, Unknown=1, NotChecked=106, Total=3080 [2024-11-17 12:00:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:47,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:47,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 59.089285714285715) internal successors, (3309), 56 states have internal predecessors, (3309), 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) [2024-11-17 12:00:47,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:47,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:47,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:00:47,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:00:47,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:47,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:00:47,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:00:47,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:01:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:01:00,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 12:01:00,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:01:00,678 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:01:00,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:01:00,679 INFO L85 PathProgramCache]: Analyzing trace with hash -594162114, now seen corresponding path program 1 times [2024-11-17 12:01:00,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:01:00,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691259557] [2024-11-17 12:01:00,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:01:00,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:01:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:01:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:03,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:01:03,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691259557] [2024-11-17 12:01:03,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691259557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:01:03,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037554821] [2024-11-17 12:01:03,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:01:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:01:03,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:01:03,520 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) [2024-11-17 12:01:03,521 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 [2024-11-17 12:01:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:01:03,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 3047 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-17 12:01:03,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:01:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:04,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:01:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:05,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037554821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:01:05,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:01:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2024-11-17 12:01:05,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764310186] [2024-11-17 12:01:05,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:01:05,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-11-17 12:01:05,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:01:05,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-11-17 12:01:05,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2024-11-17 12:01:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:05,863 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:01:05,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 29.08108108108108) internal successors, (2152), 74 states have internal predecessors, (2152), 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) [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:01:05,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:01:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:01:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:01:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:01:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:01:07,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 12:01:08,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:01:08,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:01:08,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:01:08,119 INFO L85 PathProgramCache]: Analyzing trace with hash 50592243, now seen corresponding path program 2 times [2024-11-17 12:01:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:01:08,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869065347] [2024-11-17 12:01:08,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:01:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:01:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:01:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:17,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:01:17,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869065347] [2024-11-17 12:01:17,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869065347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:01:17,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447176756] [2024-11-17 12:01:17,675 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 12:01:17,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:01:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:01:17,677 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) [2024-11-17 12:01:17,678 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 [2024-11-17 12:01:18,528 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 12:01:18,528 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 12:01:18,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 4327 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-17 12:01:18,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:01:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:19,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:01:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:01:24,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447176756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:01:24,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:01:24,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 150 [2024-11-17 12:01:24,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088286015] [2024-11-17 12:01:24,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:01:24,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2024-11-17 12:01:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:01:24,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2024-11-17 12:01:24,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5700, Invalid=16650, Unknown=0, NotChecked=0, Total=22350 [2024-11-17 12:01:24,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:24,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:01:24,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 22.933333333333334) internal successors, (3440), 150 states have internal predecessors, (3440), 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) [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:01:24,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:01:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:01:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-11-17 12:01:31,760 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 [2024-11-17 12:01:31,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:01:31,945 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:01:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:01:31,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1316639998, now seen corresponding path program 3 times [2024-11-17 12:01:31,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:01:31,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861126834] [2024-11-17 12:01:31,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:01:31,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:01:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:02:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 0 proven. 86432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:02:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:02:16,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861126834] [2024-11-17 12:02:16,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861126834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:02:16,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96242492] [2024-11-17 12:02:16,409 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 12:02:16,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:02:16,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:02:16,415 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) [2024-11-17 12:02:16,416 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 [2024-11-17 12:02:17,379 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 12:02:17,379 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 12:02:17,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 2097 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-17 12:02:17,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 12:02:27,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 12:02:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 12:02:27,260 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 16 treesize of output 11 [2024-11-17 12:02:27,516 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-17 12:02:27,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-17 12:02:27,546 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 23 treesize of output 11 [2024-11-17 12:02:27,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-17 12:02:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 12:02:27,914 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 16 treesize of output 11 [2024-11-17 12:02:28,284 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-17 12:02:28,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 29 [2024-11-17 12:02:28,313 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 23 treesize of output 11 [2024-11-17 12:02:28,329 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 15 treesize of output 7 [2024-11-17 12:02:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 4803 proven. 1683 refuted. 0 times theorem prover too weak. 79946 trivial. 0 not checked. [2024-11-17 12:02:28,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 12:02:29,487 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2869 (Array Int Int)) (v_ArrVal_2868 Int)) (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse1 (+ |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 1604))) (or (< (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store .cse0 .cse1 v_ArrVal_2868)) |c_~#stored_elements~0.base| v_ArrVal_2869) |c_~#queue~0.base|) (+ |c_~#queue~0.offset| 1604)) 400) (< (+ (select .cse0 .cse1) 1) v_ArrVal_2868)))) is different from false [2024-11-17 12:02:54,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:02:54,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 83 [2024-11-17 12:02:54,072 INFO L349 Elim1Store]: treesize reduction 29, result has 60.8 percent of original size [2024-11-17 12:02:54,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 157 [2024-11-17 12:02:54,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:02:54,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 110 treesize of output 104 [2024-11-17 12:02:54,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-17 12:02:54,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 21 [2024-11-17 12:02:54,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-17 12:02:54,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 12:02:54,132 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 24 treesize of output 24 [2024-11-17 12:02:54,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 12:02:54,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 83 treesize of output 69 [2024-11-17 12:02:54,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 12:02:54,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 12:02:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 12:02:54,163 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-17 12:02:54,171 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 12:02:54,173 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 12:03:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 3006 proven. 1682 refuted. 1434 times theorem prover too weak. 79946 trivial. 364 not checked. [2024-11-17 12:03:12,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96242492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 12:03:12,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 12:03:12,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 20, 21] total 188 [2024-11-17 12:03:12,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206133615] [2024-11-17 12:03:12,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 12:03:12,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 188 states [2024-11-17 12:03:12,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:03:12,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2024-11-17 12:03:12,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6001, Invalid=28729, Unknown=56, NotChecked=370, Total=35156 [2024-11-17 12:03:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:03:12,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:03:12,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 188 states, 188 states have (on average 28.888297872340427) internal successors, (5431), 188 states have internal predecessors, (5431), 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) [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:03:12,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-11-17 12:03:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:06:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:06:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:06:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:06:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:06:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-11-17 12:06:11,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 894 states. [2024-11-17 12:06:11,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 12:06:12,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:06:12,023 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 12:06:12,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:06:12,025 INFO L85 PathProgramCache]: Analyzing trace with hash -899016304, now seen corresponding path program 4 times [2024-11-17 12:06:12,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:06:12,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136038595] [2024-11-17 12:06:12,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:06:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:06:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:07:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 100776 backedges. 0 proven. 100776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:07:06,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:07:06,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136038595] [2024-11-17 12:07:06,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136038595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 12:07:06,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917098365] [2024-11-17 12:07:06,681 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 12:07:06,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 12:07:06,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:07:06,684 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 12:07:06,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process Received shutdown request... [2024-11-17 12:14:30,537 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 12:14:30,537 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 12:14:30,537 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 12:14:31,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-17 12:14:31,611 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 [2024-11-17 12:14:31,741 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2024-11-17 12:14:31,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 12:14:31,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 12:14:31,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2024-11-17 12:14:31,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29808157] [2024-11-17 12:14:31,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 12:14:31,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 137 [2024-11-17 12:14:31,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-11-17 12:14:31,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:14:31,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-11-17 12:14:31,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6399, Invalid=18723, Unknown=0, NotChecked=0, Total=25122 [2024-11-17 12:14:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:14:31,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:14:31,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 23.056603773584907) internal successors, (3666), 159 states have internal predecessors, (3666), 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) [2024-11-17 12:14:31,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:14:31,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-11-17 12:14:31,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 894 states. [2024-11-17 12:14:31,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:14:31,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 12:14:31,789 WARN L596 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-11-17 12:14:31,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-17 12:14:31,791 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2024-11-17 12:14:31,791 INFO L320 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork0 was TIMEOUT (2/2) [2024-11-17 12:14:31,793 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 12:14:31,793 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 12:14:31,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 12:14:31 BasicIcfg [2024-11-17 12:14:31,801 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 12:14:31,802 INFO L158 Benchmark]: Toolchain (without parser) took 848324.49ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 54.6MB in the beginning and 564.1MB in the end (delta: -509.5MB). Peak memory consumption was 606.9MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,802 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 12:14:31,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.78ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 51.2MB in the end (delta: 3.2MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.57ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 42.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,802 INFO L158 Benchmark]: Boogie Preprocessor took 62.45ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,802 INFO L158 Benchmark]: RCFGBuilder took 1495.59ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 67.0MB in the end (delta: -31.0MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,804 INFO L158 Benchmark]: TraceAbstraction took 846147.23ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 66.2MB in the beginning and 564.1MB in the end (delta: -498.0MB). Peak memory consumption was 595.1MB. Max. memory is 8.0GB. [2024-11-17 12:14:31,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 522.78ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 51.2MB in the end (delta: 3.2MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 90.57ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 42.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.45ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1495.59ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 67.0MB in the end (delta: -31.0MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. * TraceAbstraction took 846147.23ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 66.2MB in the beginning and 564.1MB in the end (delta: -498.0MB). Peak memory consumption was 595.1MB. 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: 2067, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 17, dependent conditional: 12, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1983, independent: 1976, independent conditional: 0, independent unconditional: 1976, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2055, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1983, unknown conditional: 0, unknown unconditional: 1983] , Statistics on independence cache: Total cache size (in pairs): 1983, Positive cache size: 1978, Positive conditional cache size: 0, Positive unconditional cache size: 1978, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 72, Maximal queried relation: 0, Independence queries for same thread: 12, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 942, Number of trivial persistent sets: 936, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2067, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 17, dependent conditional: 12, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1983, independent: 1976, independent conditional: 0, independent unconditional: 1976, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2055, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1983, unknown conditional: 0, unknown unconditional: 1983] , Statistics on independence cache: Total cache size (in pairs): 1983, Positive cache size: 1978, Positive conditional cache size: 0, Positive unconditional cache size: 1978, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 72, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17942, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 647, dependent conditional: 620, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17332, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 37, dependent conditional: 10, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17332, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 37, dependent conditional: 10, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 52, dependent conditional: 25, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 0, independent unconditional: 17295, dependent: 52, dependent conditional: 10, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 0, independent unconditional: 17295, dependent: 52, dependent conditional: 10, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5919, independent: 5896, independent conditional: 0, independent unconditional: 5896, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5919, independent: 5895, independent conditional: 0, independent unconditional: 5895, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 165, dependent conditional: 10, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 17347, independent: 11399, independent conditional: 0, independent unconditional: 11399, dependent: 29, dependent conditional: 9, dependent unconditional: 20, unknown: 5919, unknown conditional: 1, unknown unconditional: 5918] , Statistics on independence cache: Total cache size (in pairs): 7902, Positive cache size: 7874, Positive conditional cache size: 0, Positive unconditional cache size: 7874, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9134, Maximal queried relation: 3, Independence queries for same thread: 610, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 1068, Number of trivial persistent sets: 1015, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8203, independent: 8176, independent conditional: 0, independent unconditional: 8176, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17942, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 647, dependent conditional: 620, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17332, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 37, dependent conditional: 10, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17332, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 37, dependent conditional: 10, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 9119, independent unconditional: 8176, dependent: 52, dependent conditional: 25, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 0, independent unconditional: 17295, dependent: 52, dependent conditional: 10, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17347, independent: 17295, independent conditional: 0, independent unconditional: 17295, dependent: 52, dependent conditional: 10, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5919, independent: 5896, independent conditional: 0, independent unconditional: 5896, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5919, independent: 5895, independent conditional: 0, independent unconditional: 5895, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 165, dependent conditional: 10, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 17347, independent: 11399, independent conditional: 0, independent unconditional: 11399, dependent: 29, dependent conditional: 9, dependent unconditional: 20, unknown: 5919, unknown conditional: 1, unknown unconditional: 5918] , Statistics on independence cache: Total cache size (in pairs): 7902, Positive cache size: 7874, Positive conditional cache size: 0, Positive unconditional cache size: 7874, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9134, Maximal queried relation: 3, Independence queries for same thread: 610 - PositiveResult [Line: 1049]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 1139 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 855 NumberOfCodeBlocks, 855 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 854 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 1139 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 844.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 203.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1485, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 188.4s InterpolantComputationTime, 31972 NumberOfCodeBlocks, 29044 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 43637 ConstructedInterpolants, 66 QuantifiedInterpolants, 123240 SizeOfPredicates, 179 NumberOfNonLiveVariables, 19807 ConjunctsInSsa, 262 ConjunctsInUnsatCore, 27 InterpolantComputations, 4 PerfectInterpolantSequences, 173821/446319 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown