/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_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:41:34,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:41:34,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:41:34,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 22:41:34,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:41:34,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:41:34,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:41:34,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:41:34,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:41:34,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:41:34,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:41:34,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:41:34,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:41:34,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:41:34,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:41:34,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:41:34,223 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:41:34,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:41:34,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:41:34,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:41:34,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:41:34,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:41:34,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:41:34,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:41:34,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:41:34,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:41:34,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:41:34,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:41:34,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:41:34,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:41:34,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:41:34,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:41:34,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:41:34,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:41:34,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:41:34,228 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:41:34,228 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:41:34,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:41:34,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:41:34,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:41:34,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:41:34,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:41:34,484 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:41:34,485 INFO L432 ainManager$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_neg.i [2022-11-15 22:41:34,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efb75484/72917509b0ec4854abf75b291e224cf0/FLAGaba502075 [2022-11-15 22:41:34,899 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:41:34,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-11-15 22:41:34,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efb75484/72917509b0ec4854abf75b291e224cf0/FLAGaba502075 [2022-11-15 22:41:35,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efb75484/72917509b0ec4854abf75b291e224cf0 [2022-11-15 22:41:35,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:41:35,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:41:35,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:41:35,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:41:35,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:41:35,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612caf46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35, skipping insertion in model container [2022-11-15 22:41:35,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:41:35,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:41:35,527 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_neg.i[1103,1116] [2022-11-15 22:41:35,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:41:35,675 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:41:35,688 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_neg.i[1103,1116] [2022-11-15 22:41:35,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:41:35,751 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:41:35,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35 WrapperNode [2022-11-15 22:41:35,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:41:35,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:41:35,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:41:35,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:41:35,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,807 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-15 22:41:35,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:41:35,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:41:35,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:41:35,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:41:35,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:41:35,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:41:35,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:41:35,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:41:35,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (1/1) ... [2022-11-15 22:41:35,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:41:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:41:35,877 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 22:41:35,906 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 22:41:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-15 22:41:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:41:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:41:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:41:35,922 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 22:41:36,093 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:41:36,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:41:36,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:41:36,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:41:36,228 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:41:36,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:41:36 BoogieIcfgContainer [2022-11-15 22:41:36,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:41:36,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:41:36,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:41:36,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:41:36,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:41:35" (1/3) ... [2022-11-15 22:41:36,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3cb2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:41:36, skipping insertion in model container [2022-11-15 22:41:36,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:41:35" (2/3) ... [2022-11-15 22:41:36,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3cb2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:41:36, skipping insertion in model container [2022-11-15 22:41:36,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:41:36" (3/3) ... [2022-11-15 22:41:36,238 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-11-15 22:41:36,248 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:41:36,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:41:36,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 22:41:36,257 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:41:36,328 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-15 22:41:36,374 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:41:36,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:41:36,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:41:36,377 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 22:41:36,379 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 22:41:36,412 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:41:36,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:41:36,429 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;@b587f4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:41:36,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 22:41:36,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:41:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:41:36,566 INFO L85 PathProgramCache]: Analyzing trace with hash -591045949, now seen corresponding path program 1 times [2022-11-15 22:41:36,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:41:36,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338332358] [2022-11-15 22:41:36,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:41:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:41:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:41:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:41:37,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:41:37,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338332358] [2022-11-15 22:41:37,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338332358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:41:37,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:41:37,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 22:41:37,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220099655] [2022-11-15 22:41:37,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:41:37,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 22:41:37,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:41:37,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 22:41:37,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 22:41:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:41:37,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:41:37,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-11-15 22:41:37,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:41:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 22:41:37,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:41:37,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:41:37,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:41:37,171 INFO L85 PathProgramCache]: Analyzing trace with hash -115763456, now seen corresponding path program 1 times [2022-11-15 22:41:37,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:41:37,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087471667] [2022-11-15 22:41:37,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:41:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:41:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:41:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:41:37,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:41:37,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087471667] [2022-11-15 22:41:37,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087471667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:41:37,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:41:37,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:41:37,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417053192] [2022-11-15 22:41:37,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:41:37,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:41:37,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:41:37,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:41:37,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:41:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:41:37,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:41:37,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-11-15 22:41:37,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 22:41:37,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:41:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 22:41:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 22:41:37,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:41:37,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:41:37,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:41:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash 383193645, now seen corresponding path program 1 times [2022-11-15 22:41:37,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:41:37,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657515129] [2022-11-15 22:41:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:41:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:41:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:41:37,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-15 22:41:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:41:37,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-15 22:41:37,708 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-15 22:41:37,710 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-15 22:41:37,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-15 22:41:37,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:41:37,721 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-15 22:41:37,725 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:41:37,725 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:41:37,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:41:37 BasicIcfg [2022-11-15 22:41:37,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:41:37,769 INFO L158 Benchmark]: Toolchain (without parser) took 2491.52ms. Allocated memory is still 179.3MB. Free memory was 121.7MB in the beginning and 78.7MB in the end (delta: 43.0MB). Peak memory consumption was 43.2MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,769 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:41:37,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.81ms. Allocated memory is still 179.3MB. Free memory was 121.5MB in the beginning and 143.3MB in the end (delta: -21.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.96ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 141.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,770 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 179.3MB. Free memory was 141.5MB in the beginning and 140.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,771 INFO L158 Benchmark]: RCFGBuilder took 391.10ms. Allocated memory is still 179.3MB. Free memory was 140.1MB in the beginning and 127.2MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,771 INFO L158 Benchmark]: TraceAbstraction took 1536.79ms. Allocated memory is still 179.3MB. Free memory was 126.5MB in the beginning and 78.7MB in the end (delta: 47.8MB). Peak memory consumption was 48.8MB. Max. memory is 8.0GB. [2022-11-15 22:41:37,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 471.81ms. Allocated memory is still 179.3MB. Free memory was 121.5MB in the beginning and 143.3MB in the end (delta: -21.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.96ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 141.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 179.3MB. Free memory was 141.5MB in the beginning and 140.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 391.10ms. Allocated memory is still 179.3MB. Free memory was 140.1MB in the beginning and 127.2MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1536.79ms. Allocated memory is still 179.3MB. Free memory was 126.5MB in the beginning and 78.7MB in the end (delta: 47.8MB). Peak memory consumption was 48.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 270, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 270, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 39, dependent conditional: 6, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 331, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 270, unknown conditional: 2, unknown unconditional: 268] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 66, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 270, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 270, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 39, dependent conditional: 6, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 331, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 270, unknown conditional: 2, unknown unconditional: 268] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, 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={5:0}, 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={5:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={4:0}, mutex2={3:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-15 22:41:37,795 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 22:41:37,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...