/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 21:58:21,238 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-01-10 21:58:21,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 21:58:21,328 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 21:58:21,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 21:58:21,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 21:58:21,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 21:58:21,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 21:58:21,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 21:58:21,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 21:58:21,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 21:58:21,329 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 21:58:21,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 21:58:21,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 21:58:21,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 21:58:21,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 21:58:21,331 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 21:58:21,332 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2023-01-10 21:58:21,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 21:58:21,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 21:58:21,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 21:58:21,553 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 21:58:21,554 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 21:58:21,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2023-01-10 21:58:22,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 21:58:22,751 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 21:58:22,752 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2023-01-10 21:58:22,765 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34effe96e/bc6bd550f74c408995cd2f8b677324ed/FLAGff8d7c101 [2023-01-10 21:58:22,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34effe96e/bc6bd550f74c408995cd2f8b677324ed [2023-01-10 21:58:22,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 21:58:22,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 21:58:22,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 21:58:22,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 21:58:22,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 21:58:22,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:58:22" (1/1) ... [2023-01-10 21:58:22,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ae235d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:22, skipping insertion in model container [2023-01-10 21:58:22,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:58:22" (1/1) ... [2023-01-10 21:58:22,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 21:58:22,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 21:58:23,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 21:58:23,091 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 21:58:23,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 21:58:23,186 INFO L208 MainTranslator]: Completed translation [2023-01-10 21:58:23,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23 WrapperNode [2023-01-10 21:58:23,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 21:58:23,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 21:58:23,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 21:58:23,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 21:58:23,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,220 INFO L138 Inliner]: procedures = 266, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-01-10 21:58:23,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 21:58:23,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 21:58:23,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 21:58:23,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 21:58:23,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 21:58:23,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 21:58:23,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 21:58:23,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 21:58:23,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (1/1) ... [2023-01-10 21:58:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 21:58:23,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 21:58:23,274 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) [2023-01-10 21:58:23,278 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 [2023-01-10 21:58:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 21:58:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 21:58:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 21:58:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-10 21:58:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 21:58:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-10 21:58:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-10 21:58:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 21:58:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 21:58:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 21:58:23,308 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 21:58:23,395 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 21:58:23,396 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 21:58:23,562 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 21:58:23,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 21:58:23,567 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 21:58:23,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:58:23 BoogieIcfgContainer [2023-01-10 21:58:23,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 21:58:23,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 21:58:23,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 21:58:23,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 21:58:23,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:58:22" (1/3) ... [2023-01-10 21:58:23,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76873ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:58:23, skipping insertion in model container [2023-01-10 21:58:23,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:58:23" (2/3) ... [2023-01-10 21:58:23,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76873ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:58:23, skipping insertion in model container [2023-01-10 21:58:23,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:58:23" (3/3) ... [2023-01-10 21:58:23,574 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2023-01-10 21:58:23,584 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 21:58:23,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 21:58:23,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-01-10 21:58:23,591 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 21:58:23,620 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-10 21:58:23,648 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 21:58:23,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 21:58:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 21:58:23,651 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) [2023-01-10 21:58:23,652 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 [2023-01-10 21:58:23,675 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 21:58:23,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-10 21:58:23,685 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;@dc931ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 21:58:23,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 21:58:23,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-10 21:58:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 21:58:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1608842576, now seen corresponding path program 1 times [2023-01-10 21:58:23,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 21:58:23,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81355699] [2023-01-10 21:58:23,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 21:58:23,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 21:58:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 21:58:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 21:58:23,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 21:58:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81355699] [2023-01-10 21:58:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81355699] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 21:58:23,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 21:58:23,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 21:58:23,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433166783] [2023-01-10 21:58:23,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 21:58:23,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 21:58:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 21:58:23,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 21:58:23,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 21:58:23,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 21:58:23,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 21:58:23,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2023-01-10 21:58:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 21:58:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 21:58:23,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 21:58:23,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-10 21:58:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 21:58:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash -686456017, now seen corresponding path program 1 times [2023-01-10 21:58:23,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 21:58:23,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298540131] [2023-01-10 21:58:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 21:58:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 21:58:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 21:58:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 21:58:24,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 21:58:24,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298540131] [2023-01-10 21:58:24,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298540131] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 21:58:24,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 21:58:24,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-10 21:58:24,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113571267] [2023-01-10 21:58:24,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 21:58:24,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 21:58:24,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 21:58:24,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 21:58:24,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 21:58:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 21:58:24,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 21:58:24,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-01-10 21:58:24,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-01-10 21:58:24,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 21:58:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 21:58:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 21:58:24,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 21:58:24,174 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-10 21:58:24,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 21:58:24,175 INFO L85 PathProgramCache]: Analyzing trace with hash -796436913, now seen corresponding path program 1 times [2023-01-10 21:58:24,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 21:58:24,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676451237] [2023-01-10 21:58:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 21:58:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 21:58:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 21:58:24,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-10 21:58:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 21:58:24,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-10 21:58:24,215 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-10 21:58:24,216 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-10 21:58:24,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-10 21:58:24,224 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-01-10 21:58:24,225 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was UNSAFE (1/7) [2023-01-10 21:58:24,227 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 21:58:24,228 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 21:58:24,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:58:24 BasicIcfg [2023-01-10 21:58:24,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 21:58:24,269 INFO L158 Benchmark]: Toolchain (without parser) took 1488.32ms. Allocated memory is still 292.6MB. Free memory was 251.4MB in the beginning and 142.9MB in the end (delta: 108.5MB). Peak memory consumption was 108.0MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,270 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 166.7MB. Free memory was 116.4MB in the beginning and 116.2MB in the end (delta: 172.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 21:58:24,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.86ms. Allocated memory is still 292.6MB. Free memory was 251.4MB in the beginning and 223.7MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.17ms. Allocated memory is still 292.6MB. Free memory was 223.7MB in the beginning and 221.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,271 INFO L158 Benchmark]: Boogie Preprocessor took 15.32ms. Allocated memory is still 292.6MB. Free memory was 221.6MB in the beginning and 220.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,274 INFO L158 Benchmark]: RCFGBuilder took 331.50ms. Allocated memory is still 292.6MB. Free memory was 220.0MB in the beginning and 206.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,277 INFO L158 Benchmark]: TraceAbstraction took 699.18ms. Allocated memory is still 292.6MB. Free memory was 205.8MB in the beginning and 142.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-01-10 21:58:24,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 166.7MB. Free memory was 116.4MB in the beginning and 116.2MB in the end (delta: 172.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.86ms. Allocated memory is still 292.6MB. Free memory was 251.4MB in the beginning and 223.7MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.17ms. Allocated memory is still 292.6MB. Free memory was 223.7MB in the beginning and 221.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.32ms. Allocated memory is still 292.6MB. Free memory was 221.6MB in the beginning and 220.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.50ms. Allocated memory is still 292.6MB. Free memory was 220.0MB in the beginning and 206.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 699.18ms. Allocated memory is still 292.6MB. Free memory was 205.8MB in the beginning and 142.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 137, independent: 124, independent conditional: 124, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 124, independent conditional: 124, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 127, independent: 124, independent conditional: 124, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 124, independent conditional: 2, independent unconditional: 122, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 124, independent conditional: 2, independent unconditional: 122, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 124, independent conditional: 2, independent unconditional: 122, dependent: 9, dependent conditional: 3, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 84, independent: 78, independent conditional: 2, independent unconditional: 76, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 84, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, independent: 33, independent conditional: 4, independent unconditional: 29, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 84, unknown conditional: 4, unknown unconditional: 80] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 78, Positive conditional cache size: 2, Positive unconditional cache size: 76, Negative cache size: 6, Negative conditional cache size: 2, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 2, Independence queries for same thread: 10 - StatisticsResult: Traversal Statistics Data States: 36, Transitions: 35, Traversal time: 18792688.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 45, Transitions: 46, Traversal time: 53050098.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 2 - StatisticsResult: Traversal Statistics Data States: 100, Transitions: 112, Traversal time: 49917896.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 13 - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={1:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={1:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={2:0}, m={1:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, glob=0, i=0, id={2:0}, m={1:0}] [L944] 0 i++ VAL [arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L946] 0 glob++ VAL [arg={0:0}, glob=0, i=1, id={2:0}, m={1:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob++=0, glob++=25, glob=1, m={1:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob++=0, glob++=25, glob=1, i=1, id={2:0}, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [932] and C: glob++ [946] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE with 1 thread instances CFG has 3 procedures, 93 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 561463784.0ns, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 144201994.0ns, FeasibilityCheckTime: 365191807.0ns, RefinementTime: 17858519.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 10494203.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 22545852.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 16039431.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 106 mSDtfsCounter, 17 mSolverCounterSat, 4868842.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7259097.0ns SsaConstructionTime, 35712108.0ns SatisfiabilityAnalysisTime, 204491539.0ns InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 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! [2023-01-10 21:58:24,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 21:58:24,523 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...