/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 04:33:43,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 04:33:43,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 04:33:43,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 04:33:43,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 04:33:43,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 04:33:43,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 04:33:43,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 04:33:43,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 04:33:43,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 04:33:43,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 04:33:43,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 04:33:43,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 04:33:43,223 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 04:33:43,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 04:33:43,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 04:33:43,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 04:33:43,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 04:33:43,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 04:33:43,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 04:33:43,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 04:33:43,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 04:33:43,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 04:33:43,226 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 04:33:43,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 04:33:43,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 04:33:43,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 04:33:43,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 04:33:43,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 04:33:43,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 04:33:43,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 04:33:43,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 04:33:43,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 04:33:43,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 04:33:43,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 04:33:43,453 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 04:33:43,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-09-08 04:33:44,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 04:33:44,672 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 04:33:44,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-09-08 04:33:44,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390b5220e/d1c61a1beb0f41f08ccfcdb3b68b7b59/FLAG40824393c [2023-09-08 04:33:44,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390b5220e/d1c61a1beb0f41f08ccfcdb3b68b7b59 [2023-09-08 04:33:44,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 04:33:44,694 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 04:33:44,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 04:33:44,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 04:33:44,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 04:33:44,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e338c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44, skipping insertion in model container [2023-09-08 04:33:44,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 04:33:44,853 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2023-09-08 04:33:44,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 04:33:44,866 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 04:33:44,883 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2453,2466] [2023-09-08 04:33:44,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 04:33:44,894 INFO L206 MainTranslator]: Completed translation [2023-09-08 04:33:44,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44 WrapperNode [2023-09-08 04:33:44,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 04:33:44,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 04:33:44,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 04:33:44,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 04:33:44,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,924 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-09-08 04:33:44,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 04:33:44,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 04:33:44,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 04:33:44,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 04:33:44,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 04:33:44,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 04:33:44,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 04:33:44,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 04:33:44,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (1/1) ... [2023-09-08 04:33:44,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 04:33:44,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 04:33:44,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 04:33:44,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 04:33:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 04:33:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 04:33:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 04:33:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 04:33:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 04:33:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 04:33:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 04:33:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-08 04:33:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-08 04:33:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 04:33:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 04:33:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 04:33:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 04:33:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 04:33:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 04:33:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 04:33:45,022 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 04:33:45,107 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 04:33:45,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 04:33:45,295 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 04:33:45,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 04:33:45,301 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 04:33:45,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:45 BoogieIcfgContainer [2023-09-08 04:33:45,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 04:33:45,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 04:33:45,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 04:33:45,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 04:33:45,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:33:44" (1/3) ... [2023-09-08 04:33:45,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308eccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:45, skipping insertion in model container [2023-09-08 04:33:45,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:44" (2/3) ... [2023-09-08 04:33:45,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308eccb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:45, skipping insertion in model container [2023-09-08 04:33:45,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:45" (3/3) ... [2023-09-08 04:33:45,308 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-09-08 04:33:45,313 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 04:33:45,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 04:33:45,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 04:33:45,320 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 04:33:45,370 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-08 04:33:45,399 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 04:33:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 04:33:45,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 04:33:45,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 04:33:45,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 04:33:45,438 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 04:33:45,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 04:33:45,463 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@76c3742a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 04:33:45,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-09-08 04:33:45,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 04:33:45,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 04:33:45,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1334463772, now seen corresponding path program 1 times [2023-09-08 04:33:45,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 04:33:45,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361891781] [2023-09-08 04:33:45,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 04:33:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:33:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:46,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 04:33:46,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361891781] [2023-09-08 04:33:46,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361891781] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 04:33:46,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 04:33:46,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 04:33:46,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143671959] [2023-09-08 04:33:46,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 04:33:46,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 04:33:46,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 04:33:46,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 04:33:46,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 04:33:46,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:46,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 04:33:46,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-09-08 04:33:46,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:46,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:46,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 04:33:46,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 04:33:46,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 04:33:46,194 INFO L85 PathProgramCache]: Analyzing trace with hash 172549595, now seen corresponding path program 1 times [2023-09-08 04:33:46,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 04:33:46,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058986322] [2023-09-08 04:33:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 04:33:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:33:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:46,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 04:33:46,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058986322] [2023-09-08 04:33:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058986322] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 04:33:46,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 04:33:46,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-08 04:33:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084769709] [2023-09-08 04:33:46,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 04:33:46,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-08 04:33:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 04:33:46,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-08 04:33:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-09-08 04:33:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:46,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 04:33:46,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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) [2023-09-08 04:33:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:46,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 04:33:47,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 04:33:47,058 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 04:33:47,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 04:33:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1383532582, now seen corresponding path program 1 times [2023-09-08 04:33:47,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 04:33:47,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415330296] [2023-09-08 04:33:47,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:47,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 04:33:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:33:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:47,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 04:33:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415330296] [2023-09-08 04:33:47,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415330296] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 04:33:47,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9105373] [2023-09-08 04:33:47,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:47,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 04:33:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 04:33:47,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 04:33:47,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 04:33:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:33:47,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2023-09-08 04:33:47,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 04:33:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:47,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 04:33:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:48,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9105373] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 04:33:48,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 04:33:48,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2023-09-08 04:33:48,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483842439] [2023-09-08 04:33:48,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 04:33:48,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-08 04:33:48,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 04:33:48,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-08 04:33:48,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-09-08 04:33:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:48,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 04:33:48,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 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) [2023-09-08 04:33:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 04:33:48,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:33:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 04:33:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-08 04:33:48,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-08 04:33:48,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-08 04:33:48,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 04:33:48,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 04:33:48,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1932851136, now seen corresponding path program 1 times [2023-09-08 04:33:48,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 04:33:48,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825185796] [2023-09-08 04:33:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:48,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 04:33:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:33:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:33:49,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 04:33:49,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825185796] [2023-09-08 04:33:49,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825185796] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 04:33:49,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041816130] [2023-09-08 04:33:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 04:33:49,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 04:33:49,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 04:33:49,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 04:33:50,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 04:42:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 04:42:15,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-08 04:42:15,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 04:44:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:44:43,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 04:46:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 04:46:16,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041816130] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 04:46:16,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 04:46:16,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 43 [2023-09-08 04:46:16,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006770708] [2023-09-08 04:46:16,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 04:46:16,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-09-08 04:46:16,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 04:46:16,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-09-08 04:46:16,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1582, Unknown=70, NotChecked=0, Total=1806 [2023-09-08 04:46:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:46:16,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 04:46:16,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.883720930232558) internal successors, (210), 43 states have internal predecessors, (210), 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) [2023-09-08 04:46:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:46:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 04:46:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-08 04:46:16,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 04:46:25,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:46:39,046 WARN L234 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 66 DAG size of output: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 04:46:43,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:04,822 WARN L234 SmtUtils]: Spent 54.20s on a formula simplification. DAG size of input: 90 DAG size of output: 86 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 04:48:10,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:12,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:14,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:16,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:18,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:20,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:22,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:24,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:26,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-09-08 04:48:28,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 04:48:28,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-08 04:48:28,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 04:48:28,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 04:48:29,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-08 04:48:29,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-08 04:48:29,749 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-09-08 04:48:29,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2023-09-08 04:48:29,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 04:48:29,757 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-09-08 04:48:29,759 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-09-08 04:48:29,759 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-09-08 04:48:29,759 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-09-08 04:48:29,759 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-09-08 04:48:29,760 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-09-08 04:48:29,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-08 04:48:29,764 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 04:48:29,764 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 04:48:29,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 04:48:29 BasicIcfg [2023-09-08 04:48:29,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 04:48:29,766 INFO L158 Benchmark]: Toolchain (without parser) took 885072.06ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 167.3MB in the beginning and 155.6MB in the end (delta: 11.7MB). Peak memory consumption was 88.5MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,766 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 04:48:29,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.85ms. Allocated memory is still 203.4MB. Free memory was 167.0MB in the beginning and 155.6MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.46ms. Allocated memory is still 203.4MB. Free memory was 155.6MB in the beginning and 154.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,767 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 203.4MB. Free memory was 154.0MB in the beginning and 152.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,767 INFO L158 Benchmark]: RCFGBuilder took 356.07ms. Allocated memory is still 203.4MB. Free memory was 152.3MB in the beginning and 136.9MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,767 INFO L158 Benchmark]: TraceAbstraction took 884461.71ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 135.8MB in the beginning and 155.6MB in the end (delta: -19.7MB). Peak memory consumption was 57.1MB. Max. memory is 7.0GB. [2023-09-08 04:48:29,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 199.85ms. Allocated memory is still 203.4MB. Free memory was 167.0MB in the beginning and 155.6MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 29.46ms. Allocated memory is still 203.4MB. Free memory was 155.6MB in the beginning and 154.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 203.4MB. Free memory was 154.0MB in the beginning and 152.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 356.07ms. Allocated memory is still 203.4MB. Free memory was 152.3MB in the beginning and 136.9MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 7.0GB. * TraceAbstraction took 884461.71ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 135.8MB in the beginning and 155.6MB in the end (delta: -19.7MB). Peak memory consumption was 57.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43339, independent: 36682, independent conditional: 36682, independent unconditional: 0, dependent: 6657, dependent conditional: 6657, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36682, independent: 36682, independent conditional: 36682, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36682, independent: 36682, independent conditional: 36682, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36682, independent: 36682, independent conditional: 0, independent unconditional: 36682, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36682, independent: 36682, independent conditional: 0, independent unconditional: 36682, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36682, independent: 36682, independent conditional: 0, independent unconditional: 36682, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 594, independent: 594, independent conditional: 0, independent unconditional: 594, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 594, independent: 594, independent conditional: 0, independent unconditional: 594, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 36682, independent: 36088, independent conditional: 0, independent unconditional: 36088, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 594, unknown conditional: 0, unknown unconditional: 594] , Statistics on independence cache: Total cache size (in pairs): 594, Positive cache size: 594, Positive conditional cache size: 0, Positive unconditional cache size: 594, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6657 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 162 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 884.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 134.3s, 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: 32, 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: 0.1s SsaConstructionTime, 505.4s SatisfiabilityAnalysisTime, 244.0s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 14618 SizeOfPredicates, 23 NumberOfNonLiveVariables, 521 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/9 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown