/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:19:36,712 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 19:19:36,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:19:36,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:19:36,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:19:36,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:19:36,805 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:19:36,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:19:36,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:19:36,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:19:36,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:19:36,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:19:36,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:19:36,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:19:36,807 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:19:36,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:19:36,807 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:19:36,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:19:36,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:19:36,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:19:36,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:19:36,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:19:36,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:19:36,810 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:19:36,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:19:37,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:19:37,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:19:37,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:19:37,018 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:19:37,021 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:19:37,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2023-05-04 19:19:37,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8707cd2e6/42b828804a7e4727b11e690caefe456d/FLAG6a913d99a [2023-05-04 19:19:37,502 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:19:37,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2023-05-04 19:19:37,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8707cd2e6/42b828804a7e4727b11e690caefe456d/FLAG6a913d99a [2023-05-04 19:19:37,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8707cd2e6/42b828804a7e4727b11e690caefe456d [2023-05-04 19:19:37,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:19:37,530 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:19:37,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:19:37,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:19:37,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:19:37,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429619e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37, skipping insertion in model container [2023-05-04 19:19:37,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:19:37,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:19:37,854 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/lazy01.i[31042,31055] [2023-05-04 19:19:37,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:19:37,869 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:19:37,906 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/lazy01.i[31042,31055] [2023-05-04 19:19:37,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:19:37,937 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:19:37,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37 WrapperNode [2023-05-04 19:19:37,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:19:37,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:19:37,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:19:37,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:19:37,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,970 INFO L138 Inliner]: procedures = 169, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2023-05-04 19:19:37,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:19:37,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:19:37,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:19:37,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:19:37,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:37,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:19:37,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:19:37,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:19:37,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:19:37,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (1/1) ... [2023-05-04 19:19:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:19:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:38,034 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) [2023-05-04 19:19:38,048 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 [2023-05-04 19:19:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:19:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 19:19:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 19:19:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 19:19:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 19:19:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:19:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:19:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:19:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:19:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:19:38,084 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 19:19:38,232 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:19:38,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:19:38,401 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:19:38,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:19:38,406 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 19:19:38,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:19:38 BoogieIcfgContainer [2023-05-04 19:19:38,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:19:38,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:19:38,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:19:38,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:19:38,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:19:37" (1/3) ... [2023-05-04 19:19:38,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:19:38, skipping insertion in model container [2023-05-04 19:19:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:37" (2/3) ... [2023-05-04 19:19:38,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:19:38, skipping insertion in model container [2023-05-04 19:19:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:19:38" (3/3) ... [2023-05-04 19:19:38,414 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2023-05-04 19:19:38,425 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:19:38,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:19:38,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 19:19:38,432 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:19:38,503 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 19:19:38,540 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:38,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:19:38,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:38,542 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) [2023-05-04 19:19:38,555 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 [2023-05-04 19:19:38,571 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:19:38,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:19:38,585 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;@635c5a30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:38,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 19:19:38,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2023-05-04 19:19:38,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 19:19:38,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 19:19:38,734 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-04 19:19:38,735 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2023-05-04 19:19:38,738 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:19:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:38,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 19:19:38,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-05-04 19:19:38,753 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:19:38,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork1 ======== [2023-05-04 19:19:38,755 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;@635c5a30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:38,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 19:19:39,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1048245693, now seen corresponding path program 1 times [2023-05-04 19:19:39,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:39,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926324886] [2023-05-04 19:19:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:39,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:19:39,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 19:19:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:19:39,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 19:19:39,332 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 19:19:39,332 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 19:19:39,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:19:39,334 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-04 19:19:39,335 INFO L307 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork1 was UNSAFE (2/2) [2023-05-04 19:19:39,336 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:19:39,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:19:39,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:19:39 BasicIcfg [2023-05-04 19:19:39,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:19:39,399 INFO L158 Benchmark]: Toolchain (without parser) took 1868.53ms. Allocated memory was 159.4MB in the beginning and 196.1MB in the end (delta: 36.7MB). Free memory was 136.4MB in the beginning and 165.4MB in the end (delta: -29.0MB). Peak memory consumption was 91.3MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,399 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory was 119.0MB in the beginning and 119.0MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:19:39,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.80ms. Allocated memory was 159.4MB in the beginning and 196.1MB in the end (delta: 36.7MB). Free memory was 136.1MB in the beginning and 160.4MB in the end (delta: -24.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.88ms. Allocated memory is still 196.1MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,400 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 196.1MB. Free memory was 158.3MB in the beginning and 156.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,401 INFO L158 Benchmark]: RCFGBuilder took 409.24ms. Allocated memory is still 196.1MB. Free memory was 156.9MB in the beginning and 143.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,401 INFO L158 Benchmark]: TraceAbstraction took 989.12ms. Allocated memory is still 196.1MB. Free memory was 141.6MB in the beginning and 165.4MB in the end (delta: -23.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-05-04 19:19:39,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory was 119.0MB in the beginning and 119.0MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.80ms. Allocated memory was 159.4MB in the beginning and 196.1MB in the end (delta: 36.7MB). Free memory was 136.1MB in the beginning and 160.4MB in the end (delta: -24.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.88ms. Allocated memory is still 196.1MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 196.1MB. Free memory was 158.3MB in the beginning and 156.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 409.24ms. Allocated memory is still 196.1MB. Free memory was 156.9MB in the beginning and 143.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 989.12ms. Allocated memory is still 196.1MB. Free memory was 141.6MB in the beginning and 165.4MB in the end (delta: -23.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 617, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 41, dependent conditional: 39, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 555, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 555, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 578, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 555, unknown conditional: 0, unknown unconditional: 555] , Statistics on independence cache: Total cache size (in pairs): 555, Positive cache size: 553, Positive conditional cache size: 0, Positive unconditional cache size: 553, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 39 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 40, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 555, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 617, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 41, dependent conditional: 39, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 23, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 578, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 555, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 555, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 578, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 555, unknown conditional: 0, unknown unconditional: 555] , Statistics on independence cache: Total cache size (in pairs): 555, Positive cache size: 553, Positive conditional cache size: 0, Positive unconditional cache size: 553, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 39 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1257, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 67, dependent conditional: 47, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1122, independent: 1102, independent conditional: 0, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1122, independent: 1095, independent conditional: 0, independent unconditional: 1095, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1210, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1122, unknown conditional: 0, unknown unconditional: 1122] , Statistics on independence cache: Total cache size (in pairs): 1122, Positive cache size: 1102, Positive conditional cache size: 0, Positive unconditional cache size: 1102, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 47 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 70, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1122, independent: 1102, independent conditional: 0, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1257, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 67, dependent conditional: 47, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 88, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210, independent: 1190, independent conditional: 0, independent unconditional: 1190, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1122, independent: 1102, independent conditional: 0, independent unconditional: 1102, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1122, independent: 1095, independent conditional: 0, independent unconditional: 1095, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1210, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1122, unknown conditional: 0, unknown unconditional: 1122] , Statistics on independence cache: Total cache size (in pairs): 1122, Positive cache size: 1102, Positive conditional cache size: 0, Positive unconditional cache size: 1102, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 47 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L703] 0 int data = 0; VAL [data=0] [L702] 0 pthread_mutex_t mutex; VAL [data=0, mutex={3:0}] [L731] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={3:0}, pthread_create(&t1, 0, thread1, 0)=13, t1={6:0}, t2={7:0}, t3={5:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data=0, mutex={3:0}, pthread_create(&t2, 0, thread2, 0)=14, t1={6:0}, t2={7:0}, t3={5:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=0, mutex={3:0}, pthread_create(&t3, 0, thread3, 0)=15, t1={6:0}, t2={7:0}, t3={5:0}] [L735] 0 \read(t1) VAL [\read(t1)=13, arg={0:0}, arg={0:0}, arg={0:0}, data=0, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={3:0}] [L709] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={3:0}] [L735] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=13, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L736] 0 \read(t2) VAL [\read(t2)=14, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L714] 2 data+=2 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] [L716] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] [L736] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=14, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L737] 0 \read(t3) VAL [\read(t3)=15, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L721] COND TRUE 3 data >= 3 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] [L722] 3 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 123 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 123 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-04 19:19:39,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-05-04 19:19:39,642 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 [2023-05-04 19:19:39,860 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...