/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:41:36,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:41:36,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:41:36,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 22:41:36,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:41:36,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:41:36,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:41:36,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:41:36,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:41:36,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:41:36,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:41:36,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:41:36,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:41:36,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:41:36,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:41:36,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:41:36,862 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:41:36,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:41:36,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:41:36,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:41:36,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:41:36,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:41:36,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:41:36,865 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:41:37,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:41:37,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:41:37,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:41:37,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:41:37,068 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:41:37,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-15 22:41:37,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95446beb/75c7fb95ddb44441b1b0fec5470f53b3/FLAG25abfb8a3 [2022-11-15 22:41:37,482 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:41:37,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-15 22:41:37,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95446beb/75c7fb95ddb44441b1b0fec5470f53b3/FLAG25abfb8a3 [2022-11-15 22:41:37,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95446beb/75c7fb95ddb44441b1b0fec5470f53b3 [2022-11-15 22:41:37,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:41:37,859 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:41:37,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:41:37,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:41:37,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:41:37,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:41:37" (1/1) ... [2022-11-15 22:41:37,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6884ecc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:37, skipping insertion in model container [2022-11-15 22:41:37,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:41:37" (1/1) ... [2022-11-15 22:41:37,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:41:37,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:41:38,053 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-15 22:41:38,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:41:38,192 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:41:38,200 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-15 22:41:38,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:41:38,258 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:41:38,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38 WrapperNode [2022-11-15 22:41:38,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:41:38,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:41:38,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:41:38,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:41:38,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,315 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-15 22:41:38,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:41:38,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:41:38,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:41:38,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:41:38,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:41:38,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:41:38,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:41:38,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:41:38,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (1/1) ... [2022-11-15 22:41:38,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:41:38,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:41:38,376 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) [2022-11-15 22:41:38,382 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 [2022-11-15 22:41:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-15 22:41:38,403 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:41:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:41:38,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:41:38,404 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:41:38,481 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:41:38,483 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:41:38,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:41:38,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:41:38,615 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:41:38,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:41:38 BoogieIcfgContainer [2022-11-15 22:41:38,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:41:38,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:41:38,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:41:38,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:41:38,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:41:37" (1/3) ... [2022-11-15 22:41:38,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312e4f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:41:38, skipping insertion in model container [2022-11-15 22:41:38,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:38" (2/3) ... [2022-11-15 22:41:38,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312e4f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:41:38, skipping insertion in model container [2022-11-15 22:41:38,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:41:38" (3/3) ... [2022-11-15 22:41:38,630 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-15 22:41:38,638 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:41:38,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:41:38,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 22:41:38,649 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:41:38,693 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-15 22:41:38,721 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:41:38,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:41:38,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:41:38,724 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) [2022-11-15 22:41:38,725 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 [2022-11-15 22:41:38,749 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:41:38,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:41:38,762 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;@99f2497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:41:38,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 22:41:38,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:41:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:41:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash -591045949, now seen corresponding path program 1 times [2022-11-15 22:41:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:41:38,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491325357] [2022-11-15 22:41:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:41:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:41:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:41:38,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-15 22:41:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:41:39,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-15 22:41:39,008 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-15 22:41:39,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-15 22:41:39,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-15 22:41:39,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:41:39,022 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-15 22:41:39,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:41:39,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:41:39,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:41:39 BasicIcfg [2022-11-15 22:41:39,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:41:39,064 INFO L158 Benchmark]: Toolchain (without parser) took 1204.62ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 87.5MB in the end (delta: 23.5MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,065 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 129.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:41:39,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.17ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 132.8MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.84ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,069 INFO L158 Benchmark]: Boogie Preprocessor took 32.71ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 129.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,071 INFO L158 Benchmark]: RCFGBuilder took 267.47ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 116.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,071 INFO L158 Benchmark]: TraceAbstraction took 444.71ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 87.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-11-15 22:41:39,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 129.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 398.17ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 132.8MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.84ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.71ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 129.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 267.47ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 116.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 444.71ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 87.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 192, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 42, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 180, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 12, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 192, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 180, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 180, independent: 176, independent conditional: 0, independent unconditional: 176, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 192, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L681] 0 int glob1 = 0; VAL [glob1=0, mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={4:0}, mutex2={3:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2022-11-15 22:41:39,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-15 22:41:39,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...