/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/safestack_relacy.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 06:54:47,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 06:54:47,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 06:54:47,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 06:54:47,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 06:54:47,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 06:54:47,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 06:54:47,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 06:54:47,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 06:54:47,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 06:54:47,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 06:54:47,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 06:54:47,340 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 06:54:47,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 06:54:47,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 06:54:47,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 06:54:47,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 06:54:47,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 06:54:47,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 06:54:47,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 06:54:47,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 06:54:47,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 06:54:47,345 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 06:54:47,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 06:54:47,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 06:54:47,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 06:54:47,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 06:54:47,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 06:54:47,348 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 06:54:47,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 06:54:47,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 06:54:47,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 06:54:47,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 06:54:47,586 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 06:54:47,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2024-05-03 06:54:48,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 06:54:48,985 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 06:54:48,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i [2024-05-03 06:54:49,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0b2ee66b/69bc4731075d4a69b7ed864a94e20512/FLAGd17e2a123 [2024-05-03 06:54:49,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0b2ee66b/69bc4731075d4a69b7ed864a94e20512 [2024-05-03 06:54:49,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 06:54:49,023 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 06:54:49,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 06:54:49,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 06:54:49,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 06:54:49,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6593efbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49, skipping insertion in model container [2024-05-03 06:54:49,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 06:54:49,553 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2024-05-03 06:54:49,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 06:54:49,568 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 06:54:49,601 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/safestack_relacy.i[78860,78873] [2024-05-03 06:54:49,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 06:54:49,685 INFO L206 MainTranslator]: Completed translation [2024-05-03 06:54:49,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49 WrapperNode [2024-05-03 06:54:49,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 06:54:49,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 06:54:49,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 06:54:49,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 06:54:49,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,750 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 288 [2024-05-03 06:54:49,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 06:54:49,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 06:54:49,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 06:54:49,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 06:54:49,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 06:54:49,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 06:54:49,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 06:54:49,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 06:54:49,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (1/1) ... [2024-05-03 06:54:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 06:54:49,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:49,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 06:54:49,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 06:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 06:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 06:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 06:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 06:54:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 06:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-05-03 06:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-05-03 06:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 06:54:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 06:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 06:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 06:54:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 06:54:49,863 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 06:54:50,076 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 06:54:50,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 06:54:50,335 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 06:54:50,404 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 06:54:50,404 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2024-05-03 06:54:50,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:54:50 BoogieIcfgContainer [2024-05-03 06:54:50,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 06:54:50,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 06:54:50,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 06:54:50,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 06:54:50,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 06:54:49" (1/3) ... [2024-05-03 06:54:50,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:54:50, skipping insertion in model container [2024-05-03 06:54:50,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 06:54:49" (2/3) ... [2024-05-03 06:54:50,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:54:50, skipping insertion in model container [2024-05-03 06:54:50,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:54:50" (3/3) ... [2024-05-03 06:54:50,412 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2024-05-03 06:54:50,421 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 06:54:50,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 06:54:50,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 06:54:50,428 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 06:54:50,557 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-05-03 06:54:50,599 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:50,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 06:54:50,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:50,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 06:54:50,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 06:54:50,652 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 06:54:50,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 06:54:50,660 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;@67ac7310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:50,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 06:54:50,685 INFO L78 Accepts]: Start accepts. Automaton has currently 91 states, but on-demand construction may add more states Word has length 69 [2024-05-03 06:54:50,686 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:50,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:50,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:50,689 INFO L85 PathProgramCache]: Analyzing trace with hash -459759390, now seen corresponding path program 1 times [2024-05-03 06:54:50,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:50,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130553426] [2024-05-03 06:54:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:50,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 06:54:51,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:51,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130553426] [2024-05-03 06:54:51,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130553426] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:54:51,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 06:54:51,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 06:54:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895690422] [2024-05-03 06:54:51,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:54:51,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 06:54:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:51,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 06:54:51,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 06:54:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:51,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:51,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:51,426 INFO L78 Accepts]: Start accepts. Automaton has currently 100 states, but on-demand construction may add more states Word has length 80 [2024-05-03 06:54:51,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:51,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 06:54:51,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:51,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash -679447610, now seen corresponding path program 1 times [2024-05-03 06:54:51,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102107892] [2024-05-03 06:54:51,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 06:54:51,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:51,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102107892] [2024-05-03 06:54:51,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102107892] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:54:51,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684103051] [2024-05-03 06:54:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:51,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:51,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:54:51,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 06:54:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:51,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 06:54:51,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:54:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 06:54:52,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:54:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 06:54:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684103051] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:54:52,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:54:52,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-03 06:54:52,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765527765] [2024-05-03 06:54:52,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:54:52,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 06:54:52,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:52,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 06:54:52,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-05-03 06:54:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:52,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:52,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.0) internal successors, (120), 15 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:52,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:52,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 06:54:52,294 INFO L78 Accepts]: Start accepts. Automaton has currently 102 states, but on-demand construction may add more states Word has length 91 [2024-05-03 06:54:52,295 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:52,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 06:54:52,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-03 06:54:52,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:52,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1914219106, now seen corresponding path program 2 times [2024-05-03 06:54:52,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:52,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377040749] [2024-05-03 06:54:52,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:52,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 06:54:52,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 06:54:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 06:54:52,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-03 06:54:52,620 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-03 06:54:52,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 06:54:52,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 06:54:52,630 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-05-03 06:54:52,631 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was UNSAFE (1/3) [2024-05-03 06:54:52,632 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-03 06:54:52,632 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-05-03 06:54:52,707 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 06:54:52,713 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:52,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 06:54:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:52,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 06:54:52,756 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 06:54:52,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 06:54:52,757 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;@67ac7310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:52,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 06:54:52,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-03 06:54:52,774 INFO L78 Accepts]: Start accepts. Automaton has currently 122 states, but on-demand construction may add more states Word has length 79 [2024-05-03 06:54:52,776 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:52,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:52,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:52,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1401402435, now seen corresponding path program 1 times [2024-05-03 06:54:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:52,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608513798] [2024-05-03 06:54:52,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-03 06:54:52,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:52,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608513798] [2024-05-03 06:54:52,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608513798] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:54:52,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 06:54:52,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 06:54:52,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52187445] [2024-05-03 06:54:52,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:54:52,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 06:54:52,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:52,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 06:54:52,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 06:54:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:52,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:52,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:52,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:52,933 INFO L78 Accepts]: Start accepts. Automaton has currently 130 states, but on-demand construction may add more states Word has length 90 [2024-05-03 06:54:52,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:52,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 06:54:52,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:52,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash -128813750, now seen corresponding path program 1 times [2024-05-03 06:54:52,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:52,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482857055] [2024-05-03 06:54:52,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-03 06:54:53,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482857055] [2024-05-03 06:54:53,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482857055] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:54:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464171145] [2024-05-03 06:54:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:53,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:53,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:53,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:54:53,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 06:54:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:53,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 06:54:53,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:54:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-03 06:54:53,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:54:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-03 06:54:53,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464171145] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:54:53,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:54:53,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-03 06:54:53,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655894414] [2024-05-03 06:54:53,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:54:53,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 06:54:53,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:53,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 06:54:53,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-05-03 06:54:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:53,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:53,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:53,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:53,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 06:54:53,485 INFO L78 Accepts]: Start accepts. Automaton has currently 132 states, but on-demand construction may add more states Word has length 101 [2024-05-03 06:54:53,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:53,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-03 06:54:53,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:53,691 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:53,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:53,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1351401885, now seen corresponding path program 2 times [2024-05-03 06:54:53,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:53,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113034806] [2024-05-03 06:54:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:53,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 06:54:53,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 06:54:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 06:54:53,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-03 06:54:53,764 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-03 06:54:53,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 06:54:53,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 06:54:53,765 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-05-03 06:54:53,766 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was UNSAFE (1/4) [2024-05-03 06:54:53,766 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-03 06:54:53,766 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-05-03 06:54:53,879 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 06:54:53,883 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:53,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 06:54:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:53,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 06:54:53,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-05-03 06:54:53,913 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 06:54:53,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 06:54:53,914 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;@67ac7310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 06:54:53,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 06:54:53,932 INFO L78 Accepts]: Start accepts. Automaton has currently 163 states, but on-demand construction may add more states Word has length 89 [2024-05-03 06:54:53,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:53,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:53,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:53,933 INFO L85 PathProgramCache]: Analyzing trace with hash -26672177, now seen corresponding path program 1 times [2024-05-03 06:54:53,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:53,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834913127] [2024-05-03 06:54:53,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:53,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-03 06:54:54,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:54,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834913127] [2024-05-03 06:54:54,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834913127] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:54:54,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 06:54:54,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 06:54:54,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60376918] [2024-05-03 06:54:54,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:54:54,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 06:54:54,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:54,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 06:54:54,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 06:54:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:54,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:54,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:54,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:54,102 INFO L78 Accepts]: Start accepts. Automaton has currently 170 states, but on-demand construction may add more states Word has length 100 [2024-05-03 06:54:54,102 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:54,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-03 06:54:54,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:54,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:54,102 INFO L85 PathProgramCache]: Analyzing trace with hash -968684217, now seen corresponding path program 1 times [2024-05-03 06:54:54,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:54,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690767186] [2024-05-03 06:54:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-03 06:54:54,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690767186] [2024-05-03 06:54:54,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690767186] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:54:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730074466] [2024-05-03 06:54:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:54,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:54,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:54:54,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 06:54:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:54,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 06:54:54,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:54:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-03 06:54:54,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:54:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-03 06:54:54,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730074466] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:54:54,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:54:54,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-03 06:54:54,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913940946] [2024-05-03 06:54:54,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:54:54,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-03 06:54:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:54,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-03 06:54:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-05-03 06:54:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:54,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.133333333333333) internal successors, (122), 15 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 06:54:54,611 INFO L78 Accepts]: Start accepts. Automaton has currently 172 states, but on-demand construction may add more states Word has length 111 [2024-05-03 06:54:54,611 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:54:54,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 06:54:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:54,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 06:54:54,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:54:54,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1279191247, now seen corresponding path program 2 times [2024-05-03 06:54:54,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:54:54,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797954311] [2024-05-03 06:54:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:54:54,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:54:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:54:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-03 06:54:54,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:54:54,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797954311] [2024-05-03 06:54:54,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797954311] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:54:54,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310371509] [2024-05-03 06:54:54,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:54:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:54:54,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:54:54,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:54:54,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 06:54:55,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:54:55,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:54:55,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2024-05-03 06:54:55,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:54:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-03 06:54:55,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 06:54:55,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310371509] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:54:55,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 06:54:55,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-05-03 06:54:55,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398346466] [2024-05-03 06:54:55,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:54:55,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 06:54:55,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:54:55,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 06:54:55,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-05-03 06:54:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:54:55,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:54:55,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 06:54:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 06:54:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 06:54:55,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-03 07:02:32,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 07:02:32,904 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:02:32,904 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:02:32,904 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:02:32,904 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:02:32,905 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:02:33,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-03 07:02:33,080 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-03 07:02:33,080 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 07:02:33,081 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-05-03 07:02:33,081 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was TIMEOUT (1/5) [2024-05-03 07:02:33,083 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2024-05-03 07:02:33,083 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 07:02:33,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:02:33 BasicIcfg [2024-05-03 07:02:33,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 07:02:33,086 INFO L158 Benchmark]: Toolchain (without parser) took 464062.70ms. Allocated memory was 245.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 170.2MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2024-05-03 07:02:33,086 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 07:02:33,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.53ms. Allocated memory is still 245.4MB. Free memory was 170.0MB in the beginning and 171.7MB in the end (delta: -1.7MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-05-03 07:02:33,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.64ms. Allocated memory is still 245.4MB. Free memory was 171.7MB in the beginning and 167.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-05-03 07:02:33,087 INFO L158 Benchmark]: Boogie Preprocessor took 50.51ms. Allocated memory is still 245.4MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 07:02:33,087 INFO L158 Benchmark]: RCFGBuilder took 602.37ms. Allocated memory is still 245.4MB. Free memory was 164.3MB in the beginning and 124.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2024-05-03 07:02:33,087 INFO L158 Benchmark]: TraceAbstraction took 462679.33ms. Allocated memory was 245.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 122.9MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2024-05-03 07:02:33,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 661.53ms. Allocated memory is still 245.4MB. Free memory was 170.0MB in the beginning and 171.7MB in the end (delta: -1.7MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.64ms. Allocated memory is still 245.4MB. Free memory was 171.7MB in the beginning and 167.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.51ms. Allocated memory is still 245.4MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 602.37ms. Allocated memory is still 245.4MB. Free memory was 164.3MB in the beginning and 124.5MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 462679.33ms. Allocated memory was 245.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 122.9MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 30, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Visitor Statistics States: 80, Transitions: 80, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 90, Transitions: 90, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 92, Transitions: 92, Traversal time: 0.1s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 127, independent: 122, independent conditional: 122, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 122, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 122, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 122, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Visitor Statistics States: 90, Transitions: 90, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 100, Transitions: 100, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 102, Transitions: 102, Traversal time: 0.1s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14961231, independent: 14811063, independent conditional: 14811063, independent unconditional: 0, dependent: 149536, dependent conditional: 149536, dependent unconditional: 0, unknown: 632, unknown conditional: 632, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14826731, independent: 14811063, independent conditional: 14811063, independent unconditional: 0, dependent: 15036, dependent conditional: 15036, dependent unconditional: 0, unknown: 632, unknown conditional: 632, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14826731, independent: 14811063, independent conditional: 14811063, independent unconditional: 0, dependent: 15036, dependent conditional: 15036, dependent unconditional: 0, unknown: 632, unknown conditional: 632, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14873735, independent: 14811063, independent conditional: 0, independent unconditional: 14811063, dependent: 60144, dependent conditional: 45108, dependent unconditional: 15036, unknown: 2528, unknown conditional: 1896, unknown unconditional: 632] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14873735, independent: 14811063, independent conditional: 0, independent unconditional: 14811063, dependent: 60144, dependent conditional: 0, dependent unconditional: 60144, unknown: 2528, unknown conditional: 0, unknown unconditional: 2528] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14873735, independent: 14811063, independent conditional: 0, independent unconditional: 14811063, dependent: 60144, dependent conditional: 0, dependent unconditional: 60144, unknown: 2528, unknown conditional: 0, unknown unconditional: 2528] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83991, independent: 83591, independent conditional: 0, independent unconditional: 83591, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83991, independent: 83565, independent conditional: 0, independent unconditional: 83565, dependent: 426, dependent conditional: 0, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 426, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 426, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17401, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 1017, dependent conditional: 0, dependent unconditional: 1017, unknown: 16341, unknown conditional: 0, unknown unconditional: 16341] , Protected Queries: 0 ], Cache Queries: [ total: 14873735, independent: 14727472, independent conditional: 0, independent unconditional: 14727472, dependent: 59760, dependent conditional: 0, dependent unconditional: 59760, unknown: 86503, unknown conditional: 0, unknown unconditional: 86503] , Statistics on independence cache: Total cache size (in pairs): 83975, Positive cache size: 83591, Positive conditional cache size: 0, Positive unconditional cache size: 83591, Negative cache size: 384, Negative conditional cache size: 0, Negative unconditional cache size: 384, Unknown cache size: 16, Unknown conditional cache size: 0, Unknown unconditional cache size: 16, Eliminated conditions: 47004, Maximal queried relation: 3, Independence queries for same thread: 134500 - StatisticsResult: Visitor Statistics States: 100, Transitions: 100, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 110, Transitions: 110, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 112, Transitions: 112, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 2589217, Transitions: 2957360, Traversal time: 457.7s - TimeoutResultAtElement [Line: 1913]: 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 thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 442 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 647 SizeOfPredicates, 5 NumberOfNonLiveVariables, 185 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 20/23 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 2 thread instances CFG has 4 procedures, 619 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 5 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 80/83 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 3 thread instances CFG has 5 procedures, 796 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 459.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 457.9s, 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: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 1071 SizeOfPredicates, 5 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 277/299 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 [2024-05-03 07:02:33,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-05-03 07:02:33,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-03 07:02:33,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 07:02:33,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !ENTRY org.eclipse.osgi 4 0 2024-05-03 07:02:33.922 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0b2ee66b/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0b2ee66b/.metadata/.log.