/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 ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 21:34:21,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 21:34:21,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 21:34:21,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 21:34:21,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 21:34:21,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 21:34:21,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 21:34:21,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 21:34:21,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 21:34:21,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 21:34:21,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 21:34:21,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 21:34:21,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 21:34:21,066 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 21:34:21,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 21:34:21,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 21:34:21,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 21:34:21,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 21:34:21,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 21:34:21,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 21:34:21,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 21:34:21,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 21:34:21,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 21:34:21,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 21:34:21,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 21:34:21,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 21:34:21,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 21:34:21,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 21:34:21,070 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 21:34:21,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 21:34:21,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 21:34:21,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 21:34:21,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 21:34:21,071 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 21:34:21,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 21:34:21,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 21:34:21,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 21:34:21,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 21:34:21,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 21:34:21,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 21:34:21,072 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 21:34:21,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 21:34:21,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 21:34:21,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 21:34:21,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 21:34:21,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 21:34:21,263 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 21:34:21,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i [2023-09-07 21:34:22,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 21:34:22,523 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 21:34:22,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i [2023-09-07 21:34:22,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db0eadc8/9475579e497b422bb9e50cd1525a1c87/FLAG9fccc27ee [2023-09-07 21:34:22,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db0eadc8/9475579e497b422bb9e50cd1525a1c87 [2023-09-07 21:34:22,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 21:34:22,549 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 21:34:22,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 21:34:22,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 21:34:22,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 21:34:22,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:22,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10030378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22, skipping insertion in model container [2023-09-07 21:34:22,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:22,602 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 21:34:22,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i[994,1007] [2023-09-07 21:34:22,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 21:34:22,882 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 21:34:22,893 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.opt.i[994,1007] [2023-09-07 21:34:22,911 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-07 21:34:22,912 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-07 21:34:22,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 21:34:22,975 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 21:34:22,975 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 21:34:22,979 INFO L206 MainTranslator]: Completed translation [2023-09-07 21:34:22,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22 WrapperNode [2023-09-07 21:34:22,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 21:34:22,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 21:34:22,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 21:34:22,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 21:34:22,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,038 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2023-09-07 21:34:23,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 21:34:23,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 21:34:23,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 21:34:23,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 21:34:23,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 21:34:23,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 21:34:23,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 21:34:23,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 21:34:23,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (1/1) ... [2023-09-07 21:34:23,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 21:34:23,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 21:34:23,108 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 21:34:23,128 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 21:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-07 21:34:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-07 21:34:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-07 21:34:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-07 21:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 21:34:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 21:34:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 21:34:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 21:34:23,150 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 21:34:23,244 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 21:34:23,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 21:34:23,491 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 21:34:23,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 21:34:23,722 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 21:34:23,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:34:23 BoogieIcfgContainer [2023-09-07 21:34:23,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 21:34:23,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 21:34:23,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 21:34:23,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 21:34:23,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:34:22" (1/3) ... [2023-09-07 21:34:23,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178f4619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:34:23, skipping insertion in model container [2023-09-07 21:34:23,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:34:22" (2/3) ... [2023-09-07 21:34:23,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178f4619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:34:23, skipping insertion in model container [2023-09-07 21:34:23,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:34:23" (3/3) ... [2023-09-07 21:34:23,734 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_power.opt.i [2023-09-07 21:34:23,739 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 21:34:23,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 21:34:23,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-07 21:34:23,746 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 21:34:23,800 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 21:34:23,832 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 21:34:23,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 21:34:23,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 21:34:23,834 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 21:34:23,844 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 21:34:23,885 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 21:34:23,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 21:34:23,901 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;@4f0a3bb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 21:34:23,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-07 21:34:23,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-07 21:34:23,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 21:34:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1947682183, now seen corresponding path program 1 times [2023-09-07 21:34:23,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 21:34:23,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610739828] [2023-09-07 21:34:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 21:34:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 21:34:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 21:34:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 21:34:24,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 21:34:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610739828] [2023-09-07 21:34:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610739828] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 21:34:24,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 21:34:24,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 21:34:24,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937975038] [2023-09-07 21:34:24,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 21:34:24,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 21:34:24,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 21:34:24,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 21:34:24,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 21:34:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 21:34:24,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 21:34:24,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 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 21:34:24,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 21:34:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 21:34:27,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 21:34:27,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-07 21:34:27,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 21:34:27,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2055099410, now seen corresponding path program 1 times [2023-09-07 21:34:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 21:34:27,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272796765] [2023-09-07 21:34:27,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 21:34:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 21:34:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 21:34:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 21:34:27,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 21:34:27,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272796765] [2023-09-07 21:34:27,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272796765] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 21:34:27,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 21:34:27,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 21:34:27,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276800916] [2023-09-07 21:34:27,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 21:34:27,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 21:34:27,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 21:34:27,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 21:34:27,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-07 21:34:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 21:34:27,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 21:34:27,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 21:34:27,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 21:34:27,756 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 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 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 21:49:04,068 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 21:49:04,077 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 21:49:04,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 21:49:04,986 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 21:49:04,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-07 21:49:04,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-07 21:49:04,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-09-07 21:49:04,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-09-07 21:49:04,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-07 21:49:04,989 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-07 21:49:05,024 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-09-07 21:49:05,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 21:49:05,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 21:49:05,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:49:05 BasicIcfg [2023-09-07 21:49:05,029 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 21:49:05,030 INFO L158 Benchmark]: Toolchain (without parser) took 882480.07ms. Allocated memory was 161.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 124.5MB in the beginning and 881.1MB in the end (delta: -756.6MB). Peak memory consumption was 901.0MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,030 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 21:49:05,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.64ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 100.4MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.14ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,031 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 161.5MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,031 INFO L158 Benchmark]: RCFGBuilder took 650.79ms. Allocated memory was 161.5MB in the beginning and 233.8MB in the end (delta: 72.4MB). Free memory was 95.5MB in the beginning and 159.8MB in the end (delta: -64.3MB). Peak memory consumption was 37.9MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,031 INFO L158 Benchmark]: TraceAbstraction took 881302.81ms. Allocated memory was 233.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 159.3MB in the beginning and 881.1MB in the end (delta: -721.8MB). Peak memory consumption was 863.1MB. Max. memory is 7.0GB. [2023-09-07 21:49:05,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 430.64ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 100.4MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 57.14ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 161.5MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 650.79ms. Allocated memory was 161.5MB in the beginning and 233.8MB in the end (delta: 72.4MB). Free memory was 95.5MB in the beginning and 159.8MB in the end (delta: -64.3MB). Peak memory consumption was 37.9MB. Max. memory is 7.0GB. * TraceAbstraction took 881302.81ms. Allocated memory was 233.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 159.3MB in the beginning and 881.1MB in the end (delta: -721.8MB). Peak memory consumption was 863.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28425, independent: 28073, independent conditional: 28073, independent unconditional: 0, dependent: 349, dependent conditional: 349, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28383, independent: 28073, independent conditional: 28073, independent unconditional: 0, dependent: 307, dependent conditional: 307, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28383, independent: 28073, independent conditional: 28073, independent unconditional: 0, dependent: 307, dependent conditional: 307, dependent unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29003, independent: 28073, independent conditional: 0, independent unconditional: 28073, dependent: 921, dependent conditional: 614, dependent unconditional: 307, unknown: 9, unknown conditional: 6, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29003, independent: 28073, independent conditional: 0, independent unconditional: 28073, dependent: 921, dependent conditional: 0, dependent unconditional: 921, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29003, independent: 28073, independent conditional: 0, independent unconditional: 28073, dependent: 921, dependent conditional: 0, dependent unconditional: 921, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28383, independent: 28073, independent conditional: 0, independent unconditional: 28073, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28383, independent: 27717, independent conditional: 0, independent unconditional: 27717, dependent: 666, dependent conditional: 0, dependent unconditional: 666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 666, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 666, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1286, independent: 362, independent conditional: 0, independent unconditional: 362, dependent: 820, dependent conditional: 0, dependent unconditional: 820, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Protected Queries: 0 ], Cache Queries: [ total: 29003, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 614, dependent conditional: 0, dependent unconditional: 614, unknown: 28389, unknown conditional: 0, unknown unconditional: 28389] , Statistics on independence cache: Total cache size (in pairs): 28380, Positive cache size: 28073, Positive conditional cache size: 0, Positive unconditional cache size: 28073, Negative cache size: 307, Negative conditional cache size: 0, Negative unconditional cache size: 307, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 620, Maximal queried relation: 2, Independence queries for same thread: 42 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 206 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 849]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 847]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 881.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 880.4s, 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, 0.5s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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