/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/mix050.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 20:21:21,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 20:21:21,521 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 20:21:21,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 20:21:21,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 20:21:21,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 20:21:21,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 20:21:21,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 20:21:21,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 20:21:21,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 20:21:21,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 20:21:21,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 20:21:21,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 20:21:21,553 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 20:21:21,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 20:21:21,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 20:21:21,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 20:21:21,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 20:21:21,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 20:21:21,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 20:21:21,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 20:21:21,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 20:21:21,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 20:21:21,557 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 20:21:21,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 20:21:21,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 20:21:21,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 20:21:21,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 20:21:21,559 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 20:21:21,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 20:21:21,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 20:21:21,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 20:21:21,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 20:21:21,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 20:21:21,758 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 20:21:21,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix050.i [2023-09-07 20:21:22,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 20:21:23,060 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 20:21:23,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix050.i [2023-09-07 20:21:23,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e042c1ad5/2e9236901fe04d14ae7cc74677528be5/FLAG72915d3dd [2023-09-07 20:21:23,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e042c1ad5/2e9236901fe04d14ae7cc74677528be5 [2023-09-07 20:21:23,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 20:21:23,083 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 20:21:23,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 20:21:23,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 20:21:23,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 20:21:23,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b733b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23, skipping insertion in model container [2023-09-07 20:21:23,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 20:21:23,224 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/mix050.i[940,953] [2023-09-07 20:21:23,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 20:21:23,395 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 20:21:23,406 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/mix050.i[940,953] [2023-09-07 20:21:23,425 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-07 20:21:23,426 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-07 20:21:23,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 20:21:23,480 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 20:21:23,480 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 20:21:23,485 INFO L206 MainTranslator]: Completed translation [2023-09-07 20:21:23,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23 WrapperNode [2023-09-07 20:21:23,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 20:21:23,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 20:21:23,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 20:21:23,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 20:21:23,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,548 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2023-09-07 20:21:23,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 20:21:23,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 20:21:23,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 20:21:23,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 20:21:23,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 20:21:23,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 20:21:23,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 20:21:23,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 20:21:23,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (1/1) ... [2023-09-07 20:21:23,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 20:21:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 20:21:23,626 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 20:21:23,641 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 20:21:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 20:21:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 20:21:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 20:21:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 20:21:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 20:21:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-07 20:21:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-07 20:21:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-07 20:21:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-07 20:21:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-07 20:21:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-07 20:21:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-09-07 20:21:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-09-07 20:21:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 20:21:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 20:21:23,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 20:21:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 20:21:23,689 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 20:21:23,793 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 20:21:23,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 20:21:24,054 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 20:21:24,167 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 20:21:24,168 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 20:21:24,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 08:21:24 BoogieIcfgContainer [2023-09-07 20:21:24,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 20:21:24,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 20:21:24,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 20:21:24,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 20:21:24,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 08:21:23" (1/3) ... [2023-09-07 20:21:24,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c61b067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 08:21:24, skipping insertion in model container [2023-09-07 20:21:24,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 08:21:23" (2/3) ... [2023-09-07 20:21:24,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c61b067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 08:21:24, skipping insertion in model container [2023-09-07 20:21:24,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 08:21:24" (3/3) ... [2023-09-07 20:21:24,181 INFO L112 eAbstractionObserver]: Analyzing ICFG mix050.i [2023-09-07 20:21:24,186 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 20:21:24,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 20:21:24,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-07 20:21:24,193 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 20:21:24,242 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 20:21:24,269 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 20:21:24,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 20:21:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 20:21:24,284 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 20:21:24,295 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 20:21:24,322 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 20:21:24,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 20:21:24,333 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;@65632b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 20:21:24,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-09-07 20:21:24,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-07 20:21:24,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 20:21:24,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1076759738, now seen corresponding path program 1 times [2023-09-07 20:21:24,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 20:21:24,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022966355] [2023-09-07 20:21:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 20:21:24,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 20:21:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 20:21:24,736 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 20:21:24,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 20:21:24,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022966355] [2023-09-07 20:21:24,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022966355] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 20:21:24,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 20:21:24,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 20:21:24,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352848415] [2023-09-07 20:21:24,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 20:21:24,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 20:21:24,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 20:21:24,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 20:21:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 20:21:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:21:24,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 20:21:24,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 20:21:24,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:21:48,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:21:48,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 20:21:48,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-07 20:21:48,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 20:21:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash -297332593, now seen corresponding path program 1 times [2023-09-07 20:21:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 20:21:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827257443] [2023-09-07 20:21:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 20:21:48,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 20:21:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 20:21:48,411 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 20:21:48,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 20:21:48,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827257443] [2023-09-07 20:21:48,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827257443] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 20:21:48,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 20:21:48,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 20:21:48,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097831310] [2023-09-07 20:21:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 20:21:48,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 20:21:48,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 20:21:48,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 20:21:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-07 20:21:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:21:48,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 20:21:48,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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 20:21:48,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:21:48,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:25:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:25:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:25:02,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 20:25:02,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-07 20:25:02,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 20:25:02,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1403601846, now seen corresponding path program 1 times [2023-09-07 20:25:02,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 20:25:02,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126995844] [2023-09-07 20:25:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 20:25:02,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 20:25:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 20:25:02,944 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 20:25:02,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 20:25:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126995844] [2023-09-07 20:25:02,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126995844] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 20:25:02,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 20:25:02,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-07 20:25:02,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202521067] [2023-09-07 20:25:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 20:25:02,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-07 20:25:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 20:25:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-07 20:25:02,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-09-07 20:25:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:25:02,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 20:25:02,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 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 20:25:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:25:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:25:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:28:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:28:52,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:28:52,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 20:28:52,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 20:28:52,256 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-07 20:28:52,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 20:28:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash -212327159, now seen corresponding path program 1 times [2023-09-07 20:28:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 20:28:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544805562] [2023-09-07 20:28:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 20:28:52,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 20:28:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 20:28:52,551 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 20:28:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 20:28:52,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544805562] [2023-09-07 20:28:52,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544805562] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 20:28:52,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 20:28:52,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-07 20:28:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73462285] [2023-09-07 20:28:52,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 20:28:52,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-07 20:28:52,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 20:28:52,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-07 20:28:52,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-09-07 20:28:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:28:52,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 20:28:52,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 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) [2023-09-07 20:28:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:28:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:28:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 20:28:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:32:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:32:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:32:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-07 20:32:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 20:32:36,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 20:32:36,910 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-07 20:32:36,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 20:32:36,912 INFO L85 PathProgramCache]: Analyzing trace with hash -517933489, now seen corresponding path program 1 times [2023-09-07 20:32:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 20:32:36,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135247652] [2023-09-07 20:32:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 20:32:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 20:32:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 20:32:38,076 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 20:32:38,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 20:32:38,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135247652] [2023-09-07 20:32:38,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135247652] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 20:32:38,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 20:32:38,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-09-07 20:32:38,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059064366] [2023-09-07 20:32:38,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 20:32:38,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-07 20:32:38,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 20:32:38,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-07 20:32:38,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-09-07 20:32:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 20:32:38,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 20:32:38,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 14 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 20:32:38,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 20:32:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-07 20:32:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-07 20:32:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 20:32:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-07 20:35:35,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 20:35:35,402 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. [2023-09-07 20:35:35,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-09-07 20:35:35,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-09-07 20:35:35,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-09-07 20:35:35,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-09-07 20:35:35,404 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-09-07 20:35:35,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-09-07 20:35:35,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-09-07 20:35:35,416 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 20:35:35,416 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 20:35:35,464 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-07 20:35:35,468 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 20:35:35,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 20:35:35,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 08:35:35 BasicIcfg [2023-09-07 20:35:35,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 20:35:35,484 INFO L158 Benchmark]: Toolchain (without parser) took 852400.99ms. Allocated memory was 209.7MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 148.9MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 3.2GB. Max. memory is 7.0GB. [2023-09-07 20:35:35,484 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 20:35:35,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.90ms. Allocated memory is still 209.7MB. Free memory was 148.5MB in the beginning and 124.4MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. [2023-09-07 20:35:35,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 209.7MB. Free memory was 124.4MB in the beginning and 121.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 20:35:35,492 INFO L158 Benchmark]: Boogie Preprocessor took 42.45ms. Allocated memory is still 209.7MB. Free memory was 121.7MB in the beginning and 119.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 20:35:35,493 INFO L158 Benchmark]: RCFGBuilder took 582.11ms. Allocated memory was 209.7MB in the beginning and 338.7MB in the end (delta: 129.0MB). Free memory was 119.9MB in the beginning and 267.5MB in the end (delta: -147.6MB). Peak memory consumption was 10.8MB. Max. memory is 7.0GB. [2023-09-07 20:35:35,493 INFO L158 Benchmark]: TraceAbstraction took 851307.51ms. Allocated memory was 338.7MB in the beginning and 4.2GB in the end (delta: 3.9GB). Free memory was 267.0MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 3.2GB. Max. memory is 7.0GB. [2023-09-07 20:35:35,494 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 209.7MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 402.90ms. Allocated memory is still 209.7MB. Free memory was 148.5MB in the beginning and 124.4MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 209.7MB. Free memory was 124.4MB in the beginning and 121.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 42.45ms. Allocated memory is still 209.7MB. Free memory was 121.7MB in the beginning and 119.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 582.11ms. Allocated memory was 209.7MB in the beginning and 338.7MB in the end (delta: 129.0MB). Free memory was 119.9MB in the beginning and 267.5MB in the end (delta: -147.6MB). Peak memory consumption was 10.8MB. Max. memory is 7.0GB. * TraceAbstraction took 851307.51ms. Allocated memory was 338.7MB in the beginning and 4.2GB in the end (delta: 3.9GB). Free memory was 267.0MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 3.2GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41833, independent: 41732, independent conditional: 41732, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41824, independent: 41732, independent conditional: 41732, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 41824, independent: 41732, independent conditional: 41732, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42134, independent: 41732, independent conditional: 0, independent unconditional: 41732, dependent: 32, dependent conditional: 25, dependent unconditional: 7, unknown: 370, unknown conditional: 285, unknown unconditional: 85] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42134, independent: 41732, independent conditional: 0, independent unconditional: 41732, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 370, unknown conditional: 0, unknown unconditional: 370] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42134, independent: 41732, independent conditional: 0, independent unconditional: 41732, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 370, unknown conditional: 0, unknown unconditional: 370] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41824, independent: 41732, independent conditional: 0, independent unconditional: 41732, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41824, independent: 40767, independent conditional: 0, independent unconditional: 40767, dependent: 1057, dependent conditional: 0, dependent unconditional: 1057, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1057, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1057, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177888, independent: 91428, independent conditional: 0, independent unconditional: 91428, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 86448, unknown conditional: 0, unknown unconditional: 86448] , Protected Queries: 0 ], Cache Queries: [ total: 42134, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 42109, unknown conditional: 0, unknown unconditional: 42109] , Statistics on independence cache: Total cache size (in pairs): 41739, Positive cache size: 41732, Positive conditional cache size: 0, Positive unconditional cache size: 41732, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 85, Unknown conditional cache size: 0, Unknown unconditional cache size: 85, Eliminated conditions: 310, Maximal queried relation: 5, Independence queries for same thread: 9 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 6, RedundantProofs: 3, ProvenStates: 25 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - TimeoutResultAtElement [Line: 870]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - TimeoutResultAtElement [Line: 866]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - TimeoutResultAtElement [Line: 868]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - TimeoutResultAtElement [Line: 864]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-6-2-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-3-2-4-3-4-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 166 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 851.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 848.5s, 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: 54, 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, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 2196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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