/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 06:20:52,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 06:20:52,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 06:20:52,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 06:20:52,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 06:20:52,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 06:20:52,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 06:20:52,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 06:20:52,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 06:20:52,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 06:20:52,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 06:20:52,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 06:20:52,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 06:20:52,627 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 06:20:52,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 06:20:52,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 06:20:52,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 06:20:52,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 06:20:52,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 06:20:52,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 06:20:52,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 06:20:52,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 06:20:52,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 06:20:52,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 06:20:52,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 06:20:52,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 06:20:52,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 06:20:52,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 06:20:52,630 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 06:20:52,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 06:20:52,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:20:52,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 06:20:52,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 06:20:52,632 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 06:20:52,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 06:20:52,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 06:20:52,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 06:20:52,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 06:20:52,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 06:20:52,841 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 06:20:52,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2023-09-07 06:20:53,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 06:20:54,113 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 06:20:54,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2023-09-07 06:20:54,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76eb41212/e396051d41544770b136898c654c7acb/FLAG9cecf7f0a [2023-09-07 06:20:54,138 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76eb41212/e396051d41544770b136898c654c7acb [2023-09-07 06:20:54,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 06:20:54,145 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 06:20:54,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 06:20:54,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 06:20:54,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 06:20:54,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab7689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54, skipping insertion in model container [2023-09-07 06:20:54,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 06:20:54,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2023-09-07 06:20:54,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:20:54,371 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 06:20:54,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040] [2023-09-07 06:20:54,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:20:54,404 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:20:54,404 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:20:54,408 INFO L206 MainTranslator]: Completed translation [2023-09-07 06:20:54,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54 WrapperNode [2023-09-07 06:20:54,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 06:20:54,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 06:20:54,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 06:20:54,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 06:20:54,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,437 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2023-09-07 06:20:54,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 06:20:54,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 06:20:54,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 06:20:54,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 06:20:54,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 06:20:54,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 06:20:54,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 06:20:54,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 06:20:54,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (1/1) ... [2023-09-07 06:20:54,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:20:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:20:54,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 06:20:54,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 06:20:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 06:20:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 06:20:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 06:20:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 06:20:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 06:20:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-07 06:20:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 06:20:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 06:20:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 06:20:54,521 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 06:20:54,608 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 06:20:54,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 06:20:54,782 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 06:20:54,843 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 06:20:54,844 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-07 06:20:54,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:20:54 BoogieIcfgContainer [2023-09-07 06:20:54,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 06:20:54,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 06:20:54,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 06:20:54,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 06:20:54,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:20:54" (1/3) ... [2023-09-07 06:20:54,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8328cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:20:54, skipping insertion in model container [2023-09-07 06:20:54,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:20:54" (2/3) ... [2023-09-07 06:20:54,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8328cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:20:54, skipping insertion in model container [2023-09-07 06:20:54,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:20:54" (3/3) ... [2023-09-07 06:20:54,851 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2023-09-07 06:20:54,856 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 06:20:54,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 06:20:54,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 06:20:54,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 06:20:54,923 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-07 06:20:54,964 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:20:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 06:20:54,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:20:54,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 06:20:54,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 06:20:55,009 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 06:20:55,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 06:20:55,018 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5809d9ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:20:55,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 06:20:55,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:20:55,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:20:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash -557706629, now seen corresponding path program 1 times [2023-09-07 06:20:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:20:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307872988] [2023-09-07 06:20:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:20:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:20:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:20:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:20:55,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:20:55,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307872988] [2023-09-07 06:20:55,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307872988] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 06:20:55,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 06:20:55,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 06:20:55,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174438668] [2023-09-07 06:20:55,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 06:20:55,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 06:20:55,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:20:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 06:20:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 06:20:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:20:55,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:20:55,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:20:55,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:20:55,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:20:55,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 06:20:55,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:20:55,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:20:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash -158903060, now seen corresponding path program 1 times [2023-09-07 06:20:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:20:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165669457] [2023-09-07 06:20:55,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:20:55,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:20:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:20:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:20:56,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:20:56,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165669457] [2023-09-07 06:20:56,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165669457] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:20:56,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950557504] [2023-09-07 06:20:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:20:56,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:20:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:20:56,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:20:56,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 06:20:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:20:56,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 13 conjunts are in the unsatisfiable core [2023-09-07 06:20:56,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:20:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:20:56,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:20:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 06:20:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950557504] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:20:56,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:20:56,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2023-09-07 06:20:56,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931435375] [2023-09-07 06:20:56,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:20:56,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-09-07 06:20:56,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:20:56,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-09-07 06:20:56,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2023-09-07 06:20:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:20:56,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:20:56,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.590909090909091) internal successors, (167), 22 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:20:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:20:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-07 06:35:39,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 06:35:39,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 06:35:39,988 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 06:35:40,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 06:35:40,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-07 06:35:40,741 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 06:35:40,747 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 06:35:40,788 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-09-07 06:35:40,790 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-09-07 06:35:40,791 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 06:35:40,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 06:35:40,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 06:35:40 BasicIcfg [2023-09-07 06:35:40,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 06:35:40,806 INFO L158 Benchmark]: Toolchain (without parser) took 886661.27ms. Allocated memory was 234.9MB in the beginning and 306.2MB in the end (delta: 71.3MB). Free memory was 194.1MB in the beginning and 161.8MB in the end (delta: 32.3MB). Peak memory consumption was 225.7MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,807 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 06:35:40,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.57ms. Allocated memory is still 234.9MB. Free memory was 194.1MB in the beginning and 182.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.29ms. Allocated memory is still 234.9MB. Free memory was 182.6MB in the beginning and 180.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,807 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 234.9MB. Free memory was 180.9MB in the beginning and 179.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,808 INFO L158 Benchmark]: RCFGBuilder took 385.13ms. Allocated memory is still 234.9MB. Free memory was 179.4MB in the beginning and 159.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,808 INFO L158 Benchmark]: TraceAbstraction took 885959.42ms. Allocated memory was 234.9MB in the beginning and 306.2MB in the end (delta: 71.3MB). Free memory was 159.1MB in the beginning and 161.8MB in the end (delta: -2.7MB). Peak memory consumption was 191.1MB. Max. memory is 7.0GB. [2023-09-07 06:35:40,809 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 195.0MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 248.57ms. Allocated memory is still 234.9MB. Free memory was 194.1MB in the beginning and 182.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.29ms. Allocated memory is still 234.9MB. Free memory was 182.6MB in the beginning and 180.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 234.9MB. Free memory was 180.9MB in the beginning and 179.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 385.13ms. Allocated memory is still 234.9MB. Free memory was 179.4MB in the beginning and 159.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * TraceAbstraction took 885959.42ms. Allocated memory was 234.9MB in the beginning and 306.2MB in the end (delta: 71.3MB). Free memory was 159.1MB in the beginning and 161.8MB in the end (delta: -2.7MB). Peak memory consumption was 191.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27499, independent: 26687, independent conditional: 26687, independent unconditional: 0, dependent: 812, dependent conditional: 812, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26695, independent: 26687, independent conditional: 26687, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26695, independent: 26687, independent conditional: 26687, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26705, independent: 26687, independent conditional: 0, independent unconditional: 26687, dependent: 18, dependent conditional: 10, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26705, independent: 26687, independent conditional: 0, independent unconditional: 26687, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26705, independent: 26687, independent conditional: 0, independent unconditional: 26687, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26695, independent: 26687, independent conditional: 0, independent unconditional: 26687, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26695, independent: 26586, independent conditional: 0, independent unconditional: 26586, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, independent: 171, independent conditional: 0, independent unconditional: 171, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26705, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 26695, unknown conditional: 0, unknown unconditional: 26695] , Statistics on independence cache: Total cache size (in pairs): 26695, Positive cache size: 26687, Positive conditional cache size: 0, Positive unconditional cache size: 26687, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 2, Independence queries for same thread: 804 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 403 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 134 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 885.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 884.1s, 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: 30, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 359 ConstructedInterpolants, 0 QuantifiedInterpolants, 1205 SizeOfPredicates, 7 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 10/29 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