/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 14:00:34,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 14:00:34,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 14:00:34,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 14:00:34,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 14:00:34,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 14:00:34,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 14:00:34,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 14:00:34,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 14:00:34,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 14:00:34,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 14:00:34,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 14:00:34,930 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 14:00:34,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 14:00:34,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 14:00:34,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 14:00:34,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 14:00:34,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 14:00:34,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 14:00:34,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 14:00:34,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 14:00:34,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 14:00:34,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 14:00:34,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 14:00:34,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 14:00:34,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 14:00:34,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 14:00:34,935 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 14:00:34,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 14:00:34,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:00:34,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 14:00:34,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 14:00:34,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 14:00:34,937 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 14:00:34,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 14:00:35,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 14:00:35,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 14:00:35,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 14:00:35,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 14:00:35,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 14:00:35,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2023-11-17 14:00:36,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 14:00:36,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 14:00:36,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2023-11-17 14:00:36,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77290846/865c4c624ae048d9b26b2aaf596b8ae1/FLAG74a306baa [2023-11-17 14:00:36,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77290846/865c4c624ae048d9b26b2aaf596b8ae1 [2023-11-17 14:00:36,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 14:00:36,512 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 14:00:36,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 14:00:36,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 14:00:36,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 14:00:36,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432cee83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36, skipping insertion in model container [2023-11-17 14:00:36,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 14:00:36,715 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/mult-dist.wvr.c[2155,2168] [2023-11-17 14:00:36,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:00:36,727 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 14:00:36,761 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/mult-dist.wvr.c[2155,2168] [2023-11-17 14:00:36,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:00:36,775 INFO L206 MainTranslator]: Completed translation [2023-11-17 14:00:36,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36 WrapperNode [2023-11-17 14:00:36,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 14:00:36,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 14:00:36,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 14:00:36,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 14:00:36,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,820 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-17 14:00:36,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 14:00:36,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 14:00:36,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 14:00:36,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 14:00:36,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 14:00:36,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 14:00:36,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 14:00:36,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 14:00:36,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (1/1) ... [2023-11-17 14:00:36,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:00:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:36,886 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) [2023-11-17 14:00:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 14:00:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 14:00:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 14:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 14:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 14:00:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 14:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 14:00:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 14:00:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 14:00:36,922 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 14:00:36,899 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 [2023-11-17 14:00:37,026 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 14:00:37,029 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 14:00:37,264 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 14:00:37,430 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 14:00:37,430 INFO L307 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-17 14:00:37,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:00:37 BoogieIcfgContainer [2023-11-17 14:00:37,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 14:00:37,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 14:00:37,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 14:00:37,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 14:00:37,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:00:36" (1/3) ... [2023-11-17 14:00:37,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62000075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:00:37, skipping insertion in model container [2023-11-17 14:00:37,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:00:36" (2/3) ... [2023-11-17 14:00:37,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62000075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:00:37, skipping insertion in model container [2023-11-17 14:00:37,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:00:37" (3/3) ... [2023-11-17 14:00:37,437 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2023-11-17 14:00:37,444 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 14:00:37,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 14:00:37,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 14:00:37,452 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 14:00:37,490 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 14:00:37,531 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:00:37,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 14:00:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:37,537 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) [2023-11-17 14:00:37,568 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 [2023-11-17 14:00:37,585 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 14:00:37,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 14:00:37,602 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=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;@31bd3941, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:00:37,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 14:00:37,733 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 1 more)] === [2023-11-17 14:00:37,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:37,738 INFO L85 PathProgramCache]: Analyzing trace with hash 844863477, now seen corresponding path program 1 times [2023-11-17 14:00:37,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:37,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118624467] [2023-11-17 14:00:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:37,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:38,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:38,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118624467] [2023-11-17 14:00:38,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118624467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:00:38,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 14:00:38,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 14:00:38,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380300158] [2023-11-17 14:00:38,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:00:38,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 14:00:38,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:00:38,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 14:00:38,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 14:00:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:38,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:00:38,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2023-11-17 14:00:38,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:38,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 14:00:38,360 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 1 more)] === [2023-11-17 14:00:38,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash 674617083, now seen corresponding path program 1 times [2023-11-17 14:00:38,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:38,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430691854] [2023-11-17 14:00:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:38,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:38,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430691854] [2023-11-17 14:00:38,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430691854] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:38,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372379738] [2023-11-17 14:00:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:38,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:38,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:38,823 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) [2023-11-17 14:00:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 14:00:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:38,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 14:00:38,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:00:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:39,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:00:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:39,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372379738] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:39,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 14:00:39,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 8] total 14 [2023-11-17 14:00:39,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943589518] [2023-11-17 14:00:39,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:00:39,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 14:00:39,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:00:39,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 14:00:39,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-17 14:00:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:39,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:00:39,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2023-11-17 14:00:39,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:39,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:39,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 14:00:40,172 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,SelfDestructingSolverStorable1 [2023-11-17 14:00:40,173 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 1 more)] === [2023-11-17 14:00:40,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:40,173 INFO L85 PathProgramCache]: Analyzing trace with hash 804871822, now seen corresponding path program 1 times [2023-11-17 14:00:40,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:40,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666635216] [2023-11-17 14:00:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:40,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:40,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666635216] [2023-11-17 14:00:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666635216] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107865995] [2023-11-17 14:00:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:40,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:40,473 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) [2023-11-17 14:00:40,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 14:00:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:40,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 14:00:40,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:00:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:40,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:00:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:41,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107865995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:00:41,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:00:41,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2023-11-17 14:00:41,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242240648] [2023-11-17 14:00:41,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:00:41,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-17 14:00:41,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:00:41,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-17 14:00:41,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2023-11-17 14:00:41,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:41,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:00:41,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 23 states have internal predecessors, (46), 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) [2023-11-17 14:00:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:41,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:00:41,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 14:00:41,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:41,816 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 1 more)] === [2023-11-17 14:00:41,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1889723883, now seen corresponding path program 2 times [2023-11-17 14:00:41,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:41,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306363484] [2023-11-17 14:00:41,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:42,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:42,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306363484] [2023-11-17 14:00:42,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306363484] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:42,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870811031] [2023-11-17 14:00:42,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:00:42,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:42,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:42,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:00:42,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 14:00:42,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:00:42,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:00:42,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-17 14:00:42,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:00:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:42,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:00:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:43,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870811031] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:00:43,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:00:43,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2023-11-17 14:00:43,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410493879] [2023-11-17 14:00:43,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:00:43,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-17 14:00:43,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:00:43,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-17 14:00:43,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2023-11-17 14:00:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:43,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:00:43,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.6363636363636365) internal successors, (54), 33 states have internal predecessors, (54), 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) [2023-11-17 14:00:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:00:43,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:00:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:00:44,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 14:00:44,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:44,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 14:00:44,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1366176853, now seen corresponding path program 3 times [2023-11-17 14:00:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:44,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801196538] [2023-11-17 14:00:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:44,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:44,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801196538] [2023-11-17 14:00:44,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801196538] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:44,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120081679] [2023-11-17 14:00:44,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 14:00:44,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:44,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:44,995 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:00:44,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 14:00:45,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-17 14:00:45,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:00:45,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-17 14:00:45,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:00:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:45,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:00:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:46,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120081679] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:00:46,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:00:46,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2023-11-17 14:00:46,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813255391] [2023-11-17 14:00:46,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:00:46,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-17 14:00:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:00:46,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-17 14:00:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=2114, Unknown=0, NotChecked=0, Total=2550 [2023-11-17 14:00:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:46,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:00:46,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 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) [2023-11-17 14:00:46,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:46,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:46,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:00:46,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:00:46,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:00:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:00:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:00:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:00:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:00:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 14:00:56,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 14:00:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:56,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 14:00:56,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:00:56,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1045321941, now seen corresponding path program 4 times [2023-11-17 14:00:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:00:56,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134467023] [2023-11-17 14:00:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:00:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:00:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:00:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:58,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:00:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134467023] [2023-11-17 14:00:58,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134467023] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:00:58,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517911478] [2023-11-17 14:00:58,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 14:00:58,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:00:58,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:00:58,196 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:00:58,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 14:00:58,441 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 14:00:58,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:00:58,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-17 14:00:58,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:00:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:00:59,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:01:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:01:02,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517911478] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:01:02,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:01:02,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 89 [2023-11-17 14:01:02,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356714001] [2023-11-17 14:01:02,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:01:02,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-11-17 14:01:02,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:01:02,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-11-17 14:01:02,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1441, Invalid=6391, Unknown=0, NotChecked=0, Total=7832 [2023-11-17 14:01:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:01:02,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:01:02,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.247191011235955) internal successors, (111), 89 states have internal predecessors, (111), 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) [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 14:01:02,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:02:49,425 WARN L293 SmtUtils]: Spent 1.50m on a formula simplification. DAG size of input: 129 DAG size of output: 130 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:04:10,338 WARN L293 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 125 DAG size of output: 126 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:04:11,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 14:04:14,270 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_~a~0 4294967296))) (let ((.cse0 (< (+ 4294967295 (* (div (+ (- 2) .cse2) 4294967296) 4294967296)) .cse2)) (.cse1 (< (+ 4294967297 (* (div (+ .cse2 (- 4294967295)) 4294967296) 4294967296)) .cse2))) (and (or .cse0 .cse1 (< (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse2)) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296) .cse2)) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296) .cse2) .cse0 .cse1) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 14) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 18) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296) .cse2)) (or .cse0 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 16) 4294967296) .cse2) .cse1) (or .cse0 .cse1 (< (mod (+ 19 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 15) 4294967296) .cse2)) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 20) 4294967296) 4294967295) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 17) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod c_thread1Thread1of1ForFork2_~i~0 4294967296) .cse2))))) is different from false [2023-11-17 14:05:19,278 WARN L293 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:05:22,419 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 [] [2023-11-17 14:06:29,362 WARN L293 SmtUtils]: Spent 1.00m on a formula simplification that was a NOOP. DAG size: 112 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:07:18,701 WARN L293 SmtUtils]: Spent 46.14s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:07:59,525 WARN L293 SmtUtils]: Spent 35.85s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:08:43,716 WARN L293 SmtUtils]: Spent 40.71s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:09:06,020 WARN L293 SmtUtils]: Spent 17.04s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:09:24,416 WARN L293 SmtUtils]: Spent 15.56s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:09:37,949 WARN L293 SmtUtils]: Spent 11.47s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:09:47,346 WARN L293 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:09:53,303 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:10:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:10:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:10:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:10:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:10:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 14:10:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-17 14:10:06,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 14:10:06,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:10:06,791 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 14:10:06,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:10:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1183424043, now seen corresponding path program 5 times [2023-11-17 14:10:06,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:10:06,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936153323] [2023-11-17 14:10:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:10:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:10:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:10:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 1085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:10:09,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:10:09,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936153323] [2023-11-17 14:10:09,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936153323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:10:09,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537092443] [2023-11-17 14:10:09,702 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 14:10:09,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:10:09,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:10:09,703 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:10:09,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 14:10:10,703 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 [2023-11-17 14:10:10,704 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 [2023-11-17 14:10:10,706 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:10:11,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 14:10:11,725 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 0 [2023-11-17 14:10:11,908 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2023-11-17 14:10:11,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2023-11-17 14:10:11,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 14:10:11,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-17 14:10:11,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2023-11-17 14:10:11,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188904648] [2023-11-17 14:10:11,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-17 14:10:11,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-11-17 14:10:11,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:10:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-11-17 14:10:11,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=2968, Unknown=0, NotChecked=0, Total=3080 [2023-11-17 14:10:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:10:11,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:10:11,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 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) [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-11-17 14:10:11,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:10:11,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-17 14:10:11,918 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-17 14:10:11,920 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 14:10:11,921 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 14:10:11,921 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 14:10:11,921 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 14:10:11,924 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-11-17 14:10:11,928 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 14:10:11,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 14:10:11,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 02:10:11 BasicIcfg [2023-11-17 14:10:11,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 14:10:11,933 INFO L158 Benchmark]: Toolchain (without parser) took 575421.13ms. Allocated memory was 300.9MB in the beginning and 443.5MB in the end (delta: 142.6MB). Free memory was 249.9MB in the beginning and 314.8MB in the end (delta: -65.0MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,933 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:10:11,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.47ms. Allocated memory is still 300.9MB. Free memory was 249.3MB in the beginning and 238.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.80ms. Allocated memory is still 300.9MB. Free memory was 238.3MB in the beginning and 236.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,934 INFO L158 Benchmark]: Boogie Preprocessor took 38.12ms. Allocated memory is still 300.9MB. Free memory was 236.8MB in the beginning and 235.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,934 INFO L158 Benchmark]: RCFGBuilder took 571.93ms. Allocated memory is still 300.9MB. Free memory was 235.2MB in the beginning and 207.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,934 INFO L158 Benchmark]: TraceAbstraction took 574499.38ms. Allocated memory was 300.9MB in the beginning and 443.5MB in the end (delta: 142.6MB). Free memory was 206.9MB in the beginning and 314.8MB in the end (delta: -108.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-11-17 14:10:11,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 261.47ms. Allocated memory is still 300.9MB. Free memory was 249.3MB in the beginning and 238.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.80ms. Allocated memory is still 300.9MB. Free memory was 238.3MB in the beginning and 236.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.12ms. Allocated memory is still 300.9MB. Free memory was 236.8MB in the beginning and 235.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 571.93ms. Allocated memory is still 300.9MB. Free memory was 235.2MB in the beginning and 207.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 574499.38ms. Allocated memory was 300.9MB in the beginning and 443.5MB in the end (delta: 142.6MB). Free memory was 206.9MB in the beginning and 314.8MB in the end (delta: -108.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 645, independent: 507, independent conditional: 287, independent unconditional: 220, dependent: 138, dependent conditional: 133, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512, independent: 507, independent conditional: 287, independent unconditional: 220, 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: 512, independent: 507, independent conditional: 287, independent unconditional: 220, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 225, independent: 220, independent conditional: 0, independent unconditional: 220, 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: 225, independent: 218, independent conditional: 0, independent unconditional: 218, 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: 76, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 512, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, 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: 0, Maximal queried relation: 0, Independence queries for same thread: 133 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 20, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, independent: 220, independent conditional: 0, independent unconditional: 220, 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: 645, independent: 507, independent conditional: 287, independent unconditional: 220, dependent: 138, dependent conditional: 133, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512, independent: 507, independent conditional: 287, independent unconditional: 220, 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: 512, independent: 507, independent conditional: 287, independent unconditional: 220, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 512, independent: 507, independent conditional: 0, independent unconditional: 507, 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: 225, independent: 220, independent conditional: 0, independent unconditional: 220, 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: 225, independent: 218, independent conditional: 0, independent unconditional: 218, 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: 76, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 512, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, 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: 0, Maximal queried relation: 0, Independence queries for same thread: 133 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 574.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 555.2s, 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: 113, 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, 1.3s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 519 ConstructedInterpolants, 0 QuantifiedInterpolants, 4671 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2087 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