/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/popl20-mult-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 14:29:31,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 14:29:31,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 14:29:31,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 14:29:31,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 14:29:31,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 14:29:31,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 14:29:31,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 14:29:31,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 14:29:31,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 14:29:31,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 14:29:31,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 14:29:31,837 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 14:29:31,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 14:29:31,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 14:29:31,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 14:29:31,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 14:29:31,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 14:29:31,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 14:29:31,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 14:29:31,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 14:29:31,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 14:29:31,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 14:29:31,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 14:29:31,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 14:29:31,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 14:29:31,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 14:29:31,842 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 14:29:31,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 14:29:31,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:29:31,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 14:29:31,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 14:29:31,844 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 14:29:31,845 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 14:29:31,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 14:29:32,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 14:29:32,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 14:29:32,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 14:29:32,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 14:29:32,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 14:29:32,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2023-11-17 14:29:33,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 14:29:33,441 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 14:29:33,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2023-11-17 14:29:33,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819e6aa22/99a92117004c4ccbbb1ff4fc681c94af/FLAG0422d70b0 [2023-11-17 14:29:33,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819e6aa22/99a92117004c4ccbbb1ff4fc681c94af [2023-11-17 14:29:33,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 14:29:33,472 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 14:29:33,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 14:29:33,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 14:29:33,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 14:29:33,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e646dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33, skipping insertion in model container [2023-11-17 14:29:33,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 14:29:33,637 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-4.wvr.c[2664,2677] [2023-11-17 14:29:33,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:29:33,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 14:29:33,670 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-4.wvr.c[2664,2677] [2023-11-17 14:29:33,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:29:33,677 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:29:33,677 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:29:33,683 INFO L206 MainTranslator]: Completed translation [2023-11-17 14:29:33,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33 WrapperNode [2023-11-17 14:29:33,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 14:29:33,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 14:29:33,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 14:29:33,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 14:29:33,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,719 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 122 [2023-11-17 14:29:33,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 14:29:33,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 14:29:33,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 14:29:33,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 14:29:33,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 14:29:33,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 14:29:33,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 14:29:33,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 14:29:33,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (1/1) ... [2023-11-17 14:29:33,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:29:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:33,778 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 14:29:33,780 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 14:29:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 14:29:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 14:29:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 14:29:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 14:29:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 14:29:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 14:29:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-17 14:29:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 14:29:33,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 14:29:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 14:29:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 14:29:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 14:29:33,806 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 14:29:33,891 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 14:29:33,893 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 14:29:34,177 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 14:29:34,332 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 14:29:34,332 INFO L307 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-17 14:29:34,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:29:34 BoogieIcfgContainer [2023-11-17 14:29:34,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 14:29:34,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 14:29:34,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 14:29:34,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 14:29:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:29:33" (1/3) ... [2023-11-17 14:29:34,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:29:34, skipping insertion in model container [2023-11-17 14:29:34,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:29:33" (2/3) ... [2023-11-17 14:29:34,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:29:34, skipping insertion in model container [2023-11-17 14:29:34,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:29:34" (3/3) ... [2023-11-17 14:29:34,350 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-17 14:29:34,358 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 14:29:34,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 14:29:34,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 14:29:34,367 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 14:29:34,441 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 14:29:34,486 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:29:34,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 14:29:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:34,489 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 14:29:34,490 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 14:29:34,517 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 14:29:34,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 14:29:34,532 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;@cb4fe71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:29:34,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 14:29:34,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:29:34,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:29:34,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1768463603, now seen corresponding path program 1 times [2023-11-17 14:29:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:29:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086356387] [2023-11-17 14:29:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:29:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:29:35,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:29:35,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086356387] [2023-11-17 14:29:35,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086356387] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:29:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818559593] [2023-11-17 14:29:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:35,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:35,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:35,731 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 14:29:35,756 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 14:29:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:35,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 14:29:35,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:29:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:29:36,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:29:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:29:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818559593] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:29:36,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:29:36,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2023-11-17 14:29:36,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427978482] [2023-11-17 14:29:36,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:29:36,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-17 14:29:36,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:29:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-17 14:29:36,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-11-17 14:29:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:36,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:29:36,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.526315789473684) internal successors, (86), 19 states have internal predecessors, (86), 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 14:29:36,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-17 14:29:37,359 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 14:29:37,551 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,SelfDestructingSolverStorable0 [2023-11-17 14:29:37,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:29:37,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:29:37,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1932358781, now seen corresponding path program 2 times [2023-11-17 14:29:37,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:29:37,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808547045] [2023-11-17 14:29:37,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:29:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:29:38,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:29:38,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808547045] [2023-11-17 14:29:38,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808547045] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:29:38,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710262442] [2023-11-17 14:29:38,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:29:38,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:38,012 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 14:29:38,029 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 14:29:38,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:29:38,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:29:38,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 14:29:38,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:29:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 14:29:38,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:29:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 14:29:38,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710262442] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:29:38,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:29:38,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 18 [2023-11-17 14:29:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933834423] [2023-11-17 14:29:38,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:29:38,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-17 14:29:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:29:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-17 14:29:38,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-17 14:29:38,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:38,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:29:38,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 18 states have internal predecessors, (107), 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 14:29:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-17 14:29:38,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-17 14:29:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:29:39,218 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 14:29:39,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:39,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:29:39,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:29:39,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1780681040, now seen corresponding path program 3 times [2023-11-17 14:29:39,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:29:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901747017] [2023-11-17 14:29:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:29:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 14:29:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:29:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901747017] [2023-11-17 14:29:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901747017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:29:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645673673] [2023-11-17 14:29:40,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 14:29:40,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:40,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:40,010 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 14:29:40,037 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 14:29:40,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-17 14:29:40,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:29:40,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 14:29:40,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:29:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 47 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-17 14:29:40,636 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:29:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 47 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-17 14:29:40,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645673673] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:29:40,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:29:40,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 29 [2023-11-17 14:29:40,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896287303] [2023-11-17 14:29:40,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:29:40,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-17 14:29:40,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:29:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-17 14:29:40,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2023-11-17 14:29:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:40,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:29:40,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 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 14:29:40,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-17 14:29:40,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:29:40,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:29:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:29:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:29:42,509 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 14:29:42,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:42,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:29:42,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:29:42,699 INFO L85 PathProgramCache]: Analyzing trace with hash 542710317, now seen corresponding path program 4 times [2023-11-17 14:29:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:29:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688287981] [2023-11-17 14:29:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:29:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 6 proven. 168 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-17 14:29:43,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:29:43,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688287981] [2023-11-17 14:29:43,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688287981] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:29:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999902329] [2023-11-17 14:29:43,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 14:29:43,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:43,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:43,536 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 14:29:43,557 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 14:29:43,661 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 14:29:43,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:29:43,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-17 14:29:43,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:29:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 14:29:44,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:29:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 14:29:44,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999902329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:29:44,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:29:44,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 41 [2023-11-17 14:29:44,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273445444] [2023-11-17 14:29:44,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:29:44,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-17 14:29:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:29:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-17 14:29:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1425, Unknown=0, NotChecked=0, Total=1640 [2023-11-17 14:29:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:44,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:29:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.8780487804878048) internal successors, (159), 41 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 14:29:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:29:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:29:44,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:29:44,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:29:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:29:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:29:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:29:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-17 14:29:48,872 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 14:29:49,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:49,061 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 2 more)] === [2023-11-17 14:29:49,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:29:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash 897281267, now seen corresponding path program 5 times [2023-11-17 14:29:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:29:49,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395273035] [2023-11-17 14:29:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:29:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:29:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:29:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 11 proven. 380 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-17 14:29:50,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:29:50,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395273035] [2023-11-17 14:29:50,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395273035] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:29:50,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193734484] [2023-11-17 14:29:50,192 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 14:29:50,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:29:50,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:29:50,193 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 14:29:50,215 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 14:30:06,952 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-11-17 14:30:06,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:30:06,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 14:30:06,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:30:07,477 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-17 14:30:07,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:30:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-17 14:30:08,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193734484] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:30:08,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:30:08,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 11] total 44 [2023-11-17 14:30:08,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077514220] [2023-11-17 14:30:08,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:30:08,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-11-17 14:30:08,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:30:08,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-11-17 14:30:08,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1740, Unknown=0, NotChecked=0, Total=1892 [2023-11-17 14:30:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:30:08,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:30:08,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.454545454545454) internal successors, (196), 44 states have internal predecessors, (196), 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 14:30:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:30:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:30:08,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:30:08,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-11-17 14:30:08,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:30:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:30:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:30:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:30:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-17 14:30:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 14:30:11,667 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 14:30:11,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:30:11,861 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 2 more)] === [2023-11-17 14:30:11,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:30:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash 120983376, now seen corresponding path program 6 times [2023-11-17 14:30:11,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:30:11,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065550579] [2023-11-17 14:30:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:30:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:30:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:30:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 12 proven. 571 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 14:30:13,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:30:13,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065550579] [2023-11-17 14:30:13,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065550579] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:30:13,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095428391] [2023-11-17 14:30:13,320 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 14:30:13,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:30:13,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:30:13,322 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 14:30:13,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 14:30:18,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-11-17 14:30:18,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:30:18,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 14:30:18,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:30:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 116 proven. 50 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-17 14:30:19,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:30:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 93 proven. 73 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-17 14:30:20,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095428391] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:30:20,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:30:20,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 11, 11] total 50 [2023-11-17 14:30:20,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711288824] [2023-11-17 14:30:20,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:30:20,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-11-17 14:30:20,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:30:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-11-17 14:30:20,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2314, Unknown=0, NotChecked=0, Total=2450 [2023-11-17 14:30:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:30:20,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:30:20,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.02) internal successors, (201), 50 states have internal predecessors, (201), 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 14:30:20,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:30:20,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:30:20,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:30:20,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-11-17 14:30:20,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 14:30:20,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:30:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:30:25,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-17 14:30:25,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:30:25,441 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 2 more)] === [2023-11-17 14:30:25,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:30:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1334990722, now seen corresponding path program 7 times [2023-11-17 14:30:25,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:30:25,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278088041] [2023-11-17 14:30:25,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:30:25,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:30:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:30:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 16 proven. 801 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 14:30:27,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:30:27,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278088041] [2023-11-17 14:30:27,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278088041] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:30:27,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023542785] [2023-11-17 14:30:27,117 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-17 14:30:27,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:30:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:30:27,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:30:27,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-17 14:30:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:30:27,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-17 14:30:27,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:30:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 16 proven. 753 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-17 14:30:28,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:30:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 16 proven. 753 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-17 14:30:29,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023542785] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:30:29,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:30:29,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 29] total 76 [2023-11-17 14:30:29,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892553529] [2023-11-17 14:30:29,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:30:29,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-11-17 14:30:29,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:30:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-11-17 14:30:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=5079, Unknown=0, NotChecked=0, Total=5700 [2023-11-17 14:30:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:30:29,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:30:29,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.5921052631578947) internal successors, (273), 76 states have internal predecessors, (273), 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 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:30:29,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:30:29,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:31:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:16,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-17 14:31:16,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-17 14:31:16,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-17 14:31:16,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:31:16,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:31:16,387 INFO L85 PathProgramCache]: Analyzing trace with hash -292215552, now seen corresponding path program 8 times [2023-11-17 14:31:16,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:31:16,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509705273] [2023-11-17 14:31:16,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:31:16,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:31:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:31:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 16 proven. 1714 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-17 14:31:18,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:31:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509705273] [2023-11-17 14:31:18,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509705273] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:31:18,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556879552] [2023-11-17 14:31:18,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:31:18,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:31:18,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:31:19,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:31:19,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-17 14:31:19,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:31:19,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:31:19,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 14:31:19,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:31:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 12 proven. 485 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-11-17 14:31:20,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:31:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 12 proven. 485 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-11-17 14:31:21,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556879552] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:31:21,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:31:21,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 13, 13] total 71 [2023-11-17 14:31:21,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064391134] [2023-11-17 14:31:21,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:31:21,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-17 14:31:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:31:21,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-17 14:31:21,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=4713, Unknown=0, NotChecked=0, Total=4970 [2023-11-17 14:31:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:31:21,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:31:21,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.8732394366197185) internal successors, (275), 71 states have internal predecessors, (275), 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 14:31:21,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:31:21,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:31:21,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:31:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:31:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-11-17 14:31:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-17 14:31:32,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-11-17 14:31:32,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-17 14:31:32,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:31:32,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:31:32,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:31:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash 247259616, now seen corresponding path program 9 times [2023-11-17 14:31:32,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:31:32,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240808563] [2023-11-17 14:31:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:31:32,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:31:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:31:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 24 proven. 2197 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-17 14:31:35,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:31:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240808563] [2023-11-17 14:31:35,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240808563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:31:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006236443] [2023-11-17 14:31:36,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 14:31:36,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:31:36,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:31:36,002 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:31:36,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-17 14:31:36,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-17 14:31:36,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:31:36,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 14:31:36,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:31:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 214 proven. 117 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2023-11-17 14:31:37,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:31:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2269 backedges. 167 proven. 164 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2023-11-17 14:31:38,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006236443] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:31:38,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:31:38,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 13, 13] total 78 [2023-11-17 14:31:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714488091] [2023-11-17 14:31:38,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:31:38,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2023-11-17 14:31:38,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:31:38,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2023-11-17 14:31:38,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=5798, Unknown=0, NotChecked=0, Total=6006 [2023-11-17 14:31:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:31:38,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:31:38,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.8076923076923075) internal successors, (297), 78 states have internal predecessors, (297), 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 14:31:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:31:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:31:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:31:38,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:31:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-11-17 14:31:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-11-17 14:31:38,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-11-17 14:31:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-11-17 14:31:53,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-17 14:31:53,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-17 14:31:53,217 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 14:31:53,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:31:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash -644302243, now seen corresponding path program 10 times [2023-11-17 14:31:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:31:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255879577] [2023-11-17 14:31:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:31:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:31:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:31:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 37 proven. 2625 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-17 14:31:56,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:31:56,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255879577] [2023-11-17 14:31:56,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255879577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:31:56,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717170363] [2023-11-17 14:31:56,967 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 14:31:56,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:31:56,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:31:56,969 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 14:31:56,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-17 14:31:57,112 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 14:31:57,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:31:57,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-17 14:31:57,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:31:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 37 proven. 2163 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-11-17 14:31:58,875 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:32:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 37 proven. 2163 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-11-17 14:32:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717170363] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:32:03,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:32:03,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 41, 41] total 118 [2023-11-17 14:32:03,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275120609] [2023-11-17 14:32:03,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:32:03,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2023-11-17 14:32:03,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:32:03,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2023-11-17 14:32:03,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1400, Invalid=12406, Unknown=0, NotChecked=0, Total=13806 [2023-11-17 14:32:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:32:03,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:32:03,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 3.3813559322033897) internal successors, (399), 118 states have internal predecessors, (399), 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 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-11-17 14:32:03,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:33:29,857 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_~N~0 4294967296))) (and (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 1) 4294967296) .cse0) (< (mod (+ 8 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 7 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 11) 4294967296) .cse0) (< (mod |c_thread2Thread1of1ForFork2_~i~1#1| 4294967296) .cse0) (< (mod (+ 9 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 2 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 10) 4294967296) .cse0) (< (mod (+ 6 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 3 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 5 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 4) 4294967296) .cse0))) is different from false [2023-11-17 14:34:14,797 WARN L293 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 55 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:35:23,399 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 59 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:36:54,477 WARN L293 SmtUtils]: Spent 21.83s on a formula simplification. DAG size of input: 63 DAG size of output: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:36:58,474 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_~N~0 4294967296))) (and (< (mod (+ 15 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 1) 4294967296) .cse0) (< (mod (+ 8 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 7 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 14 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 11) 4294967296) .cse0) (< (mod |c_thread2Thread1of1ForFork2_~i~1#1| 4294967296) .cse0) (< (mod (+ 9 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 12) 4294967296) .cse0) (< (mod (+ 2 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 13) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 10) 4294967296) .cse0) (< (mod (+ 6 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 3 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ 5 |c_thread2Thread1of1ForFork2_~i~1#1|) 4294967296) .cse0) (< (mod (+ |c_thread2Thread1of1ForFork2_~i~1#1| 4) 4294967296) .cse0))) is different from false [2023-11-17 14:38:39,771 WARN L293 SmtUtils]: Spent 24.40s on a formula simplification. DAG size of input: 71 DAG size of output: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-11-17 14:38:41,211 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 14:38:41,212 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 14:38:41,211 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:38:41,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-17 14:38:41,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-17 14:38:41,428 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-11-17 14:38:41,430 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 14:38:41,431 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-17 14:38:41,431 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 14:38:41,431 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-17 14:38:41,431 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-11-17 14:38:41,434 INFO L445 BasicCegarLoop]: Path program histogram: [10] [2023-11-17 14:38:41,436 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 14:38:41,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 14:38:41,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 02:38:41 BasicIcfg [2023-11-17 14:38:41,437 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 14:38:41,438 INFO L158 Benchmark]: Toolchain (without parser) took 547965.98ms. Allocated memory was 245.4MB in the beginning and 425.7MB in the end (delta: 180.4MB). Free memory was 193.2MB in the beginning and 275.9MB in the end (delta: -82.7MB). Peak memory consumption was 99.2MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,438 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:38:41,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.30ms. Allocated memory is still 245.4MB. Free memory was 192.6MB in the beginning and 181.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.31ms. Allocated memory is still 245.4MB. Free memory was 181.1MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,439 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 245.4MB. Free memory was 179.5MB in the beginning and 178.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,439 INFO L158 Benchmark]: RCFGBuilder took 595.57ms. Allocated memory is still 245.4MB. Free memory was 178.0MB in the beginning and 144.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,439 INFO L158 Benchmark]: TraceAbstraction took 547093.55ms. Allocated memory was 245.4MB in the beginning and 425.7MB in the end (delta: 180.4MB). Free memory was 143.9MB in the beginning and 275.9MB in the end (delta: -132.0MB). Peak memory consumption was 49.9MB. Max. memory is 8.0GB. [2023-11-17 14:38:41,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.30ms. Allocated memory is still 245.4MB. Free memory was 192.6MB in the beginning and 181.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.31ms. Allocated memory is still 245.4MB. Free memory was 181.1MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 245.4MB. Free memory was 179.5MB in the beginning and 178.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 595.57ms. Allocated memory is still 245.4MB. Free memory was 178.0MB in the beginning and 144.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 547093.55ms. Allocated memory was 245.4MB in the beginning and 425.7MB in the end (delta: 180.4MB). Free memory was 143.9MB in the beginning and 275.9MB in the end (delta: -132.0MB). Peak memory consumption was 49.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12437, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 2483, dependent conditional: 2468, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11852, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 1898, dependent conditional: 1883, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11852, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 1898, dependent conditional: 1883, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 12697, dependent unconditional: 1898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 0, dependent unconditional: 14595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 0, dependent unconditional: 14595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 840, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 840, independent: 818, independent conditional: 0, independent unconditional: 818, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24549, independent: 9129, independent conditional: 0, independent unconditional: 9129, dependent: 14580, dependent conditional: 0, dependent unconditional: 14580, unknown: 840, unknown conditional: 0, unknown unconditional: 840] , Statistics on independence cache: Total cache size (in pairs): 840, Positive cache size: 825, Positive conditional cache size: 0, Positive unconditional cache size: 825, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12697, Maximal queried relation: 10, Independence queries for same thread: 585 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 56, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 993, independent conditional: 0, independent unconditional: 993, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12437, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 2483, dependent conditional: 2468, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11852, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 1898, dependent conditional: 1883, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11852, independent: 9954, independent conditional: 8961, independent unconditional: 993, dependent: 1898, dependent conditional: 1883, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 12697, dependent unconditional: 1898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 0, dependent unconditional: 14595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24549, independent: 9954, independent conditional: 0, independent unconditional: 9954, dependent: 14595, dependent conditional: 0, dependent unconditional: 14595, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 840, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 840, independent: 818, independent conditional: 0, independent unconditional: 818, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24549, independent: 9129, independent conditional: 0, independent unconditional: 9129, dependent: 14580, dependent conditional: 0, dependent unconditional: 14580, unknown: 840, unknown conditional: 0, unknown unconditional: 840] , Statistics on independence cache: Total cache size (in pairs): 840, Positive cache size: 825, Positive conditional cache size: 0, Positive unconditional cache size: 825, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12697, Maximal queried relation: 10, Independence queries for same thread: 585 - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 64 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 546.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 485.8s, 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: 564, 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: 0.3s SsaConstructionTime, 25.4s SatisfiabilityAnalysisTime, 32.6s InterpolantComputationTime, 2560 NumberOfCodeBlocks, 2419 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 3810 ConstructedInterpolants, 0 QuantifiedInterpolants, 31321 SizeOfPredicates, 19 NumberOfNonLiveVariables, 3778 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 10385/27039 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