/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:34:16,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:34:16,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:34:16,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:34:16,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:34:16,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:34:16,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:34:16,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:34:16,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:34:16,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:34:16,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:34:16,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:34:16,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:34:16,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:34:16,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:34:16,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:34:16,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:34:16,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:34:16,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:34:16,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:34:16,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:34:16,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:34:16,683 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:34:16,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:34:16,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:34:16,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:34:16,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:34:16,685 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:34:16,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:34:16,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:34:16,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:34:16,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:34:16,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:34:16,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:34:16,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2023-11-17 18:34:17,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:34:18,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:34:18,127 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2023-11-17 18:34:18,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e4c032b2/cf24ca42b5e849999876cdcd51483861/FLAGeb4ef51bf [2023-11-17 18:34:18,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e4c032b2/cf24ca42b5e849999876cdcd51483861 [2023-11-17 18:34:18,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:34:18,151 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:34:18,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:34:18,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:34:18,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:34:18,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eae7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18, skipping insertion in model container [2023-11-17 18:34:18,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,183 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:34:18,308 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/popl20-mult-equiv.wvr.c[2630,2643] [2023-11-17 18:34:18,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:34:18,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:34:18,333 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/popl20-mult-equiv.wvr.c[2630,2643] [2023-11-17 18:34:18,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:34:18,340 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:34:18,340 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:34:18,345 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:34:18,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18 WrapperNode [2023-11-17 18:34:18,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:34:18,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:34:18,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:34:18,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:34:18,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,368 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-17 18:34:18,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:34:18,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:34:18,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:34:18,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:34:18,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:34:18,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:34:18,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:34:18,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:34:18,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (1/1) ... [2023-11-17 18:34:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:34:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:34:18,449 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 18:34:18,497 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 18:34:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:34:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:34:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:34:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:34:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:34:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 18:34:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 18:34:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:34:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:34:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:34:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:34:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:34:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:34:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:34:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:34:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:34:18,516 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 18:34:18,617 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:34:18,618 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:34:18,775 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:34:18,832 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:34:18,832 INFO L307 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-17 18:34:18,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:34:18 BoogieIcfgContainer [2023-11-17 18:34:18,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:34:18,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:34:18,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:34:18,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:34:18,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:34:18" (1/3) ... [2023-11-17 18:34:18,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df325ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:34:18, skipping insertion in model container [2023-11-17 18:34:18,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:34:18" (2/3) ... [2023-11-17 18:34:18,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df325ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:34:18, skipping insertion in model container [2023-11-17 18:34:18,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:34:18" (3/3) ... [2023-11-17 18:34:18,844 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2023-11-17 18:34:18,850 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:34:18,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:34:18,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:34:18,858 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:34:18,913 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 18:34:18,941 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:34:18,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:34:18,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:34:18,944 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 18:34:18,967 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 18:34:18,997 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:34:19,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:34:19,010 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;@7e093854, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:34:19,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 18:34:20,288 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 18:34:20,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:34:20,292 INFO L85 PathProgramCache]: Analyzing trace with hash 366900873, now seen corresponding path program 1 times [2023-11-17 18:34:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:34:20,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3970595] [2023-11-17 18:34:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:34:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:34:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:34:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-17 18:34:20,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:34:20,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3970595] [2023-11-17 18:34:20,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3970595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:34:20,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:34:20,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:34:20,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441820074] [2023-11-17 18:34:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:34:20,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:34:20,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:34:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:34:20,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:34:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:20,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:34:20,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 18:34:20,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:20,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:34:20,636 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 18:34:20,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:34:20,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1812987417, now seen corresponding path program 1 times [2023-11-17 18:34:20,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:34:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874805212] [2023-11-17 18:34:20,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:34:20,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:34:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:34:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:34:22,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:34:22,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874805212] [2023-11-17 18:34:22,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874805212] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:34:22,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552033743] [2023-11-17 18:34:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:34:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:34:22,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:34:22,399 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 18:34:22,435 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 18:34:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:34:22,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 18:34:22,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:34:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:34:23,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:34:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:34:26,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552033743] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:34:26,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:34:26,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 13] total 29 [2023-11-17 18:34:26,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018894223] [2023-11-17 18:34:26,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:34:26,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-17 18:34:26,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:34:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-17 18:34:26,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2023-11-17 18:34:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:26,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:34:26,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.482758620689655) internal successors, (159), 29 states have internal predecessors, (159), 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 18:34:26,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:26,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:34:30,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 18:34:30,427 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 18:34:30,428 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 18:34:30,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:34:30,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1671880350, now seen corresponding path program 1 times [2023-11-17 18:34:30,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:34:30,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267929980] [2023-11-17 18:34:30,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:34:30,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:34:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:34:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:34:32,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:34:32,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267929980] [2023-11-17 18:34:32,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267929980] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:34:32,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826857123] [2023-11-17 18:34:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:34:32,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:34:32,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:34:32,163 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 18:34:32,190 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 18:34:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:34:32,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-17 18:34:32,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:34:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:34:34,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:34:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:34:37,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826857123] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:34:37,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:34:37,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 16] total 46 [2023-11-17 18:34:37,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890750107] [2023-11-17 18:34:37,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:34:37,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-17 18:34:37,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:34:37,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-17 18:34:37,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1800, Unknown=0, NotChecked=0, Total=2070 [2023-11-17 18:34:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:37,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:34:37,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.065217391304348) internal successors, (187), 46 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:34:37,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:34:37,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:34:37,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:35:04,868 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 98 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:35:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:35:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:35:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 18:35:17,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-17 18:35:17,712 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 18:35:17,713 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 18:35:17,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:35:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash 545334394, now seen corresponding path program 2 times [2023-11-17 18:35:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:35:17,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57238319] [2023-11-17 18:35:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:35:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:35:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:35:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:35:19,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:35:19,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57238319] [2023-11-17 18:35:19,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57238319] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:35:19,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333757437] [2023-11-17 18:35:19,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:35:19,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:35:19,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:35:19,221 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 18:35:19,223 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 18:35:19,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:35:19,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:35:19,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-17 18:35:19,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:35:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:35:21,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:35:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:35:23,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333757437] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:35:23,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:35:23,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 25] total 61 [2023-11-17 18:35:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166820295] [2023-11-17 18:35:23,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:35:23,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-11-17 18:35:23,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:35:23,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-11-17 18:35:23,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=2987, Unknown=0, NotChecked=0, Total=3660 [2023-11-17 18:35:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:35:23,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:35:23,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.4918032786885247) internal successors, (213), 61 states have internal predecessors, (213), 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 18:35:23,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:35:23,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:35:23,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 18:35:23,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:36:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:36:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:36:01,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-17 18:36:01,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-11-17 18:36:01,131 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 18:36:01,326 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 18:36:01,327 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 18:36:01,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:36:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1975560034, now seen corresponding path program 3 times [2023-11-17 18:36:01,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:36:01,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108447748] [2023-11-17 18:36:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:36:01,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:36:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:38:10,042 WARN L293 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 87 DAG size of output: 75 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:39:07,088 WARN L293 SmtUtils]: Spent 23.07s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:40:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 1 proven. 382 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:40:39,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:40:39,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108447748] [2023-11-17 18:40:39,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108447748] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:40:39,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293332373] [2023-11-17 18:40:39,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:40:39,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:40:39,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:40:39,495 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 18:40:39,496 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 18:40:41,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2023-11-17 18:40:41,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:40:41,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-17 18:40:41,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:41:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:41:27,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:42:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:42:57,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293332373] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:42:57,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:42:57,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 51, 48] total 146 [2023-11-17 18:42:57,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686983058] [2023-11-17 18:42:57,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:42:57,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2023-11-17 18:42:57,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:42:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2023-11-17 18:42:57,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3215, Invalid=17941, Unknown=14, NotChecked=0, Total=21170 [2023-11-17 18:42:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:42:57,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:42:57,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 2.5753424657534247) internal successors, (376), 146 states have internal predecessors, (376), 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 18:42:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:42:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-11-17 18:42:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-11-17 18:42:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-11-17 18:42:57,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:12,092 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 18:43:14,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 18:43:16,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-11-17 18:43:48,755 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 18:43:48,796 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:43:48,796 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 18:43:49,147 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 18:43:49,341 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 18:43:49,341 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 166 known predicates. [2023-11-17 18:43:49,343 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 18:43:49,343 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 18:43:49,343 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 18:43:49,343 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 18:43:49,347 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-11-17 18:43:49,349 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:43:49,349 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:43:49,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:43:49 BasicIcfg [2023-11-17 18:43:49,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:43:49,351 INFO L158 Benchmark]: Toolchain (without parser) took 571199.60ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 246.6MB in the beginning and 473.8MB in the end (delta: -227.3MB). Peak memory consumption was 595.7MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,351 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:43:49,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.22ms. Allocated memory is still 294.6MB. Free memory was 246.6MB in the beginning and 235.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.33ms. Allocated memory is still 294.6MB. Free memory was 235.1MB in the beginning and 233.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,352 INFO L158 Benchmark]: Boogie Preprocessor took 23.21ms. Allocated memory is still 294.6MB. Free memory was 233.4MB in the beginning and 231.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,352 INFO L158 Benchmark]: RCFGBuilder took 441.26ms. Allocated memory is still 294.6MB. Free memory was 231.9MB in the beginning and 213.9MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,352 INFO L158 Benchmark]: TraceAbstraction took 570515.52ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 213.1MB in the beginning and 473.8MB in the end (delta: -260.8MB). Peak memory consumption was 562.2MB. Max. memory is 8.0GB. [2023-11-17 18:43:49,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.22ms. Allocated memory is still 294.6MB. Free memory was 246.6MB in the beginning and 235.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.33ms. Allocated memory is still 294.6MB. Free memory was 235.1MB in the beginning and 233.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.21ms. Allocated memory is still 294.6MB. Free memory was 233.4MB in the beginning and 231.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 441.26ms. Allocated memory is still 294.6MB. Free memory was 231.9MB in the beginning and 213.9MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 570515.52ms. Allocated memory was 294.6MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 213.1MB in the beginning and 473.8MB in the end (delta: -260.8MB). Peak memory consumption was 562.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3417, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 468, dependent conditional: 456, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2983, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 34, dependent conditional: 22, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2983, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 34, dependent conditional: 22, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 189, dependent unconditional: 34, unknown: 165, unknown conditional: 61, unknown unconditional: 104] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 163, dependent unconditional: 60, unknown: 165, unknown conditional: 24, unknown unconditional: 141] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 163, dependent unconditional: 60, unknown: 165, unknown conditional: 24, unknown unconditional: 141] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1183, independent: 1120, independent conditional: 0, independent unconditional: 1120, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1183, independent: 1118, independent conditional: 0, independent unconditional: 1118, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15686, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 4477, dependent conditional: 4360, dependent unconditional: 117, unknown: 11145, unknown conditional: 10134, unknown unconditional: 1011] , Protected Queries: 0 ], Cache Queries: [ total: 3233, independent: 1725, independent conditional: 0, independent unconditional: 1725, dependent: 171, dependent conditional: 123, dependent unconditional: 48, unknown: 1337, unknown conditional: 64, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1172, Positive cache size: 1120, Positive conditional cache size: 0, Positive unconditional cache size: 1120, Negative cache size: 52, Negative conditional cache size: 40, Negative unconditional cache size: 12, Unknown cache size: 11, Unknown conditional cache size: 10, Unknown unconditional cache size: 1, Eliminated conditions: 63, Maximal queried relation: 3, Independence queries for same thread: 434 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 95, Number of trivial persistent sets: 76, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1230, independent: 1217, independent conditional: 0, independent unconditional: 1217, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3417, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 468, dependent conditional: 456, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2983, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 34, dependent conditional: 22, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2983, independent: 2845, independent conditional: 1628, independent unconditional: 1217, dependent: 34, dependent conditional: 22, dependent unconditional: 12, unknown: 104, unknown conditional: 103, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 189, dependent unconditional: 34, unknown: 165, unknown conditional: 61, unknown unconditional: 104] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 163, dependent unconditional: 60, unknown: 165, unknown conditional: 24, unknown unconditional: 141] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3233, independent: 2845, independent conditional: 0, independent unconditional: 2845, dependent: 223, dependent conditional: 163, dependent unconditional: 60, unknown: 165, unknown conditional: 24, unknown unconditional: 141] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1183, independent: 1120, independent conditional: 0, independent unconditional: 1120, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1183, independent: 1118, independent conditional: 0, independent unconditional: 1118, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 11, unknown conditional: 10, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15686, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 4477, dependent conditional: 4360, dependent unconditional: 117, unknown: 11145, unknown conditional: 10134, unknown unconditional: 1011] , Protected Queries: 0 ], Cache Queries: [ total: 3233, independent: 1725, independent conditional: 0, independent unconditional: 1725, dependent: 171, dependent conditional: 123, dependent unconditional: 48, unknown: 1337, unknown conditional: 64, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1172, Positive cache size: 1120, Positive conditional cache size: 0, Positive unconditional cache size: 1120, Negative cache size: 52, Negative conditional cache size: 40, Negative unconditional cache size: 12, Unknown cache size: 11, Unknown conditional cache size: 10, Unknown unconditional cache size: 1, Eliminated conditions: 63, Maximal queried relation: 3, Independence queries for same thread: 434 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 166 known predicates. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 166 known predicates. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 166 known predicates. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 166 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 570.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 134.0s, 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: 207, 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, 3.0s SatisfiabilityAnalysisTime, 431.9s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1403 ConstructedInterpolants, 11 QuantifiedInterpolants, 33178 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1098 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 203/1744 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