/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 12:54:12,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 12:54:12,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 12:54:12,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 12:54:12,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 12:54:12,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 12:54:12,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 12:54:12,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 12:54:12,289 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 12:54:12,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 12:54:12,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 12:54:12,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 12:54:12,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 12:54:12,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 12:54:12,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 12:54:12,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 12:54:12,292 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 12:54:12,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 12:54:12,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 12:54:12,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 12:54:12,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 12:54:12,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 12:54:12,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 12:54:12,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:54:12,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 12:54:12,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 12:54:12,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 12:54:12,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 12:54:12,297 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 12:54:12,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 12:54:12,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 12:54:12,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 12:54:12,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 12:54:12,530 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 12:54:12,532 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 12:54:12,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2023-05-20 12:54:12,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52d2d9/6d1ca22c9379455387a98a96f8cc7ac3/FLAG2c070ff9a [2023-05-20 12:54:13,067 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 12:54:13,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2023-05-20 12:54:13,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52d2d9/6d1ca22c9379455387a98a96f8cc7ac3/FLAG2c070ff9a [2023-05-20 12:54:13,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c52d2d9/6d1ca22c9379455387a98a96f8cc7ac3 [2023-05-20 12:54:13,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 12:54:13,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 12:54:13,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 12:54:13,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 12:54:13,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 12:54:13,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c45d93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13, skipping insertion in model container [2023-05-20 12:54:13,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 12:54:13,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 12:54:13,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-05-20 12:54:13,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:54:13,764 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 12:54:13,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-05-20 12:54:13,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:54:13,824 INFO L208 MainTranslator]: Completed translation [2023-05-20 12:54:13,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13 WrapperNode [2023-05-20 12:54:13,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 12:54:13,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 12:54:13,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 12:54:13,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 12:54:13,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,870 INFO L138 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-05-20 12:54:13,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 12:54:13,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 12:54:13,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 12:54:13,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 12:54:13,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 12:54:13,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 12:54:13,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 12:54:13,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 12:54:13,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (1/1) ... [2023-05-20 12:54:13,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:54:13,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:54:13,938 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) [2023-05-20 12:54:13,961 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 [2023-05-20 12:54:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 12:54:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 12:54:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 12:54:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 12:54:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 12:54:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 12:54:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 12:54:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 12:54:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 12:54:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 12:54:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 12:54:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 12:54:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 12:54:13,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 12:54:14,141 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 12:54:14,142 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 12:54:14,343 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 12:54:14,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 12:54:14,350 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 12:54:14,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:54:14 BoogieIcfgContainer [2023-05-20 12:54:14,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 12:54:14,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 12:54:14,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 12:54:14,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 12:54:14,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 12:54:13" (1/3) ... [2023-05-20 12:54:14,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d49ba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:54:14, skipping insertion in model container [2023-05-20 12:54:14,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:54:13" (2/3) ... [2023-05-20 12:54:14,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d49ba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:54:14, skipping insertion in model container [2023-05-20 12:54:14,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:54:14" (3/3) ... [2023-05-20 12:54:14,361 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2023-05-20 12:54:14,369 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 12:54:14,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 12:54:14,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 12:54:14,378 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 12:54:14,465 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 12:54:14,529 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:54:14,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 12:54:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:54:14,537 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) [2023-05-20 12:54:14,544 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 [2023-05-20 12:54:14,583 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 12:54:14,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 12:54:14,613 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;@666a80b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:54:14,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 12:54:14,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:54:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:54:14,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1647436025, now seen corresponding path program 1 times [2023-05-20 12:54:14,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:54:14,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441641323] [2023-05-20 12:54:14,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:54:14,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:54:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:54:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:54:15,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:54:15,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441641323] [2023-05-20 12:54:15,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441641323] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:54:15,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:54:15,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 12:54:15,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764005616] [2023-05-20 12:54:15,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:54:15,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 12:54:15,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:54:15,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 12:54:15,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 12:54:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:54:15,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:54:15,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2023-05-20 12:54:15,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:54:15,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 12:54:15,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 12:54:15,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:54:15,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:54:15,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1457791607, now seen corresponding path program 2 times [2023-05-20 12:54:15,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:54:15,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269936328] [2023-05-20 12:54:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:54:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:54:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 12:54:15,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 12:54:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 12:54:15,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 12:54:15,780 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 12:54:15,782 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 12:54:15,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 12:54:15,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 12:54:15,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 12:54:15,794 INFO L444 BasicCegarLoop]: Path program histogram: [2] [2023-05-20 12:54:15,799 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 12:54:15,799 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 12:54:15,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 12:54:15 BasicIcfg [2023-05-20 12:54:15,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 12:54:15,861 INFO L158 Benchmark]: Toolchain (without parser) took 2415.45ms. Allocated memory was 188.7MB in the beginning and 231.7MB in the end (delta: 43.0MB). Free memory was 166.4MB in the beginning and 145.8MB in the end (delta: 20.6MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,861 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 12:54:15,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.53ms. Allocated memory is still 188.7MB. Free memory was 166.2MB in the beginning and 153.3MB in the end (delta: 13.0MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.59ms. Allocated memory is still 188.7MB. Free memory was 153.3MB in the beginning and 151.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,862 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 149.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,862 INFO L158 Benchmark]: RCFGBuilder took 458.17ms. Allocated memory is still 188.7MB. Free memory was 149.6MB in the beginning and 135.8MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,863 INFO L158 Benchmark]: TraceAbstraction took 1506.51ms. Allocated memory was 188.7MB in the beginning and 231.7MB in the end (delta: 43.0MB). Free memory was 134.6MB in the beginning and 145.8MB in the end (delta: -11.2MB). Peak memory consumption was 33.4MB. Max. memory is 8.0GB. [2023-05-20 12:54:15,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory was 148.7MB in the beginning and 148.6MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 378.53ms. Allocated memory is still 188.7MB. Free memory was 166.2MB in the beginning and 153.3MB in the end (delta: 13.0MB). Peak memory consumption was 17.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.59ms. Allocated memory is still 188.7MB. Free memory was 153.3MB in the beginning and 151.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 149.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 458.17ms. Allocated memory is still 188.7MB. Free memory was 149.6MB in the beginning and 135.8MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1506.51ms. Allocated memory was 188.7MB in the beginning and 231.7MB in the end (delta: 43.0MB). Free memory was 134.6MB in the beginning and 145.8MB in the end (delta: -11.2MB). Peak memory consumption was 33.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 792, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 72, dependent conditional: 51, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 746, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 667, independent: 643, independent conditional: 0, independent unconditional: 643, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 667, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 100, dependent conditional: 8, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 749, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 667, unknown conditional: 3, unknown unconditional: 664] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 643, Positive conditional cache size: 0, Positive unconditional cache size: 643, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, 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: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 111, Number of trivial persistent sets: 95, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 664, independent: 643, independent conditional: 0, independent unconditional: 643, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 792, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 72, dependent conditional: 51, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 746, independent: 720, independent conditional: 77, independent unconditional: 643, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 749, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 29, dependent conditional: 3, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 667, independent: 643, independent conditional: 0, independent unconditional: 643, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 667, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 100, dependent conditional: 8, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 749, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 667, unknown conditional: 3, unknown unconditional: 664] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 643, Positive conditional cache size: 0, Positive unconditional cache size: 643, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, 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: 46 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, pthread_mutex_lock(&ma)=0, t1={6:0}, t2={5:0}] [L723] 0 \read(t1) VAL [\read(t1)=-2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_mutex_lock(&ma)=0, t1={6:0}, t2={5:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}, pthread_mutex_lock(&ma)=0] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}, pthread_mutex_lock(&ma)=0, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}, pthread_mutex_lock(&ma)=0, t1={6:0}, t2={5:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: 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. - UnprovableResult [Line: 722]: 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 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2023-05-20 12:54:15,903 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 [2023-05-20 12:54:16,112 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...