/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis CAMEL -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 19:37:48,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 19:37:48,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 19:37:48,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 19:37:48,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 19:37:49,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 19:37:49,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 19:37:49,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 19:37:49,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 19:37:49,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 19:37:49,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 19:37:49,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 19:37:49,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 19:37:49,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 19:37:49,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 19:37:49,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 19:37:49,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> CAMEL [2024-11-14 19:37:49,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 19:37:49,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 19:37:49,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 19:37:49,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 19:37:49,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 19:37:49,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-14 19:37:50,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 19:37:50,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 19:37:50,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-14 19:37:50,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d10cae580/46dc2b022b5a4ccc959172e8a9675b95/FLAGbe91c09b6 [2024-11-14 19:37:50,897 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d10cae580/46dc2b022b5a4ccc959172e8a9675b95 [2024-11-14 19:37:50,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 19:37:50,902 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 19:37:50,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 19:37:50,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 19:37:50,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 19:37:50,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:37:50" (1/1) ... [2024-11-14 19:37:50,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2db712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:50, skipping insertion in model container [2024-11-14 19:37:50,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:37:50" (1/1) ... [2024-11-14 19:37:50,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 19:37:51,226 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2024-11-14 19:37:51,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 19:37:51,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 19:37:51,325 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2024-11-14 19:37:51,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 19:37:51,375 INFO L204 MainTranslator]: Completed translation [2024-11-14 19:37:51,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51 WrapperNode [2024-11-14 19:37:51,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 19:37:51,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 19:37:51,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 19:37:51,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 19:37:51,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,409 INFO L138 Inliner]: procedures = 174, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-14 19:37:51,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 19:37:51,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 19:37:51,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 19:37:51,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 19:37:51,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 19:37:51,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 19:37:51,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 19:37:51,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 19:37:51,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (1/1) ... [2024-11-14 19:37:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 19:37:51,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 19:37:51,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 19:37:51,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 19:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 19:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 19:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 19:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 19:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 19:37:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 19:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 19:37:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 19:37:51,488 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 19:37:51,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 19:37:51,596 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 19:37:51,836 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 19:37:51,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 19:37:51,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 19:37:51,873 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-14 19:37:51,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:37:51 BoogieIcfgContainer [2024-11-14 19:37:51,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 19:37:51,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 19:37:51,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 19:37:51,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 19:37:51,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:37:50" (1/3) ... [2024-11-14 19:37:51,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2262c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:37:51, skipping insertion in model container [2024-11-14 19:37:51,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:37:51" (2/3) ... [2024-11-14 19:37:51,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2262c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:37:51, skipping insertion in model container [2024-11-14 19:37:51,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:37:51" (3/3) ... [2024-11-14 19:37:51,883 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-11-14 19:37:51,895 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 19:37:51,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_45-escape_racing.i that has 2 procedures, 106 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 19:37:51,897 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 19:37:51,957 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 19:37:51,995 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 19:37:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 19:37:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 19:37:51,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 19:37:52,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 19:37:52,083 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 19:37:52,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 19:37:52,104 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@59dcb19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 19:37:52,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 19:37:52,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 19:37:52,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:37:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1892140286, now seen corresponding path program 1 times [2024-11-14 19:37:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:37:52,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491856321] [2024-11-14 19:37:52,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:37:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:37:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 19:37:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 19:37:52,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 19:37:52,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491856321] [2024-11-14 19:37:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491856321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 19:37:52,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 19:37:52,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 19:37:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227837843] [2024-11-14 19:37:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 19:37:52,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 19:37:52,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 19:37:52,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 19:37:52,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 19:37:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:52,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 19:37:52,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2024-11-14 19:37:52,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:52,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:52,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 19:37:52,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 19:37:52,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:37:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1442615319, now seen corresponding path program 1 times [2024-11-14 19:37:52,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:37:52,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887372971] [2024-11-14 19:37:52,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:37:52,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:37:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 19:37:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 19:37:53,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 19:37:53,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887372971] [2024-11-14 19:37:53,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887372971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 19:37:53,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 19:37:53,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 19:37:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862744941] [2024-11-14 19:37:53,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 19:37:53,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 19:37:53,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 19:37:53,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 19:37:53,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 19:37:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 19:37:53,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2024-11-14 19:37:53,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 19:37:53,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 19:37:53,640 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 19:37:53,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:37:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1882245885, now seen corresponding path program 1 times [2024-11-14 19:37:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:37:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509521285] [2024-11-14 19:37:53,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:37:53,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:37:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 19:37:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 19:37:53,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 19:37:53,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509521285] [2024-11-14 19:37:53,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509521285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 19:37:53,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 19:37:53,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 19:37:53,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463894052] [2024-11-14 19:37:53,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 19:37:53,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 19:37:53,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 19:37:53,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 19:37:53,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 19:37:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 19:37:53,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-11-14 19:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 19:37:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:37:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 19:37:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 19:37:53,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 19:37:53,863 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 19:37:53,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:37:53,863 INFO L85 PathProgramCache]: Analyzing trace with hash -220715838, now seen corresponding path program 1 times [2024-11-14 19:37:53,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:37:53,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640690551] [2024-11-14 19:37:53,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:37:53,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:37:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 19:37:53,899 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 19:37:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 19:37:53,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 19:37:53,947 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 19:37:53,948 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-14 19:37:53,950 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-14 19:37:53,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 19:37:53,956 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 19:37:54,014 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 19:37:54,014 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 19:37:54,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 19:37:54,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:37:54 BasicIcfg [2024-11-14 19:37:54,034 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 19:37:54,035 INFO L158 Benchmark]: Toolchain (without parser) took 3132.77ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 56.0MB in the beginning and 49.5MB in the end (delta: 6.5MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. [2024-11-14 19:37:54,035 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 19:37:54,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.76ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 35.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-14 19:37:54,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 83.9MB. Free memory was 34.8MB in the beginning and 33.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 19:37:54,036 INFO L158 Benchmark]: Boogie Preprocessor took 21.11ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 31.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 19:37:54,036 INFO L158 Benchmark]: RCFGBuilder took 441.80ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 48.6MB in the end (delta: -16.7MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. [2024-11-14 19:37:54,036 INFO L158 Benchmark]: TraceAbstraction took 2157.43ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.9MB in the beginning and 49.5MB in the end (delta: -1.7MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2024-11-14 19:37:54,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 472.76ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 35.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 83.9MB. Free memory was 34.8MB in the beginning and 33.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 21.11ms. Allocated memory is still 83.9MB. Free memory was 33.2MB in the beginning and 31.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 441.80ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 48.6MB in the end (delta: -16.7MB). Peak memory consumption was 16.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2157.43ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 47.9MB in the beginning and 49.5MB in the end (delta: -1.7MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1931, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 77, dependent conditional: 63, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1873, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 19, dependent conditional: 5, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1873, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 19, dependent conditional: 5, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 23, dependent conditional: 9, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, independent: 1328, independent conditional: 0, independent unconditional: 1328, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, independent: 1317, independent conditional: 0, independent unconditional: 1317, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 319, dependent conditional: 32, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1877, independent: 526, independent conditional: 0, independent unconditional: 526, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 1344, unknown conditional: 2, unknown unconditional: 1342] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1328, Positive conditional cache size: 0, Positive unconditional cache size: 1328, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 141, Maximal queried relation: 1, Independence queries for same thread: 58, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 130, Number of trivial persistent sets: 100, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1734, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1931, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 77, dependent conditional: 63, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1873, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 19, dependent conditional: 5, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1873, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 19, dependent conditional: 5, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 134, independent unconditional: 1720, dependent: 23, dependent conditional: 9, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1877, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1344, independent: 1328, independent conditional: 0, independent unconditional: 1328, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1344, independent: 1317, independent conditional: 0, independent unconditional: 1317, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 527, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 319, dependent conditional: 32, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1877, independent: 526, independent conditional: 0, independent unconditional: 526, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 1344, unknown conditional: 2, unknown unconditional: 1342] , Statistics on independence cache: Total cache size (in pairs): 1344, Positive cache size: 1328, Positive conditional cache size: 0, Positive unconditional cache size: 1328, Negative cache size: 16, Negative conditional cache size: 2, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 141, Maximal queried relation: 1, Independence queries for same thread: 58 - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [\old(arg)={6:0}, __global_lock={3:0}, i={6:0}, id=-1, mutex1={4:0}, mutex2={5:0}] [L700] 1 int *p = (int *) arg; VAL [\old(arg)={6:0}, __global_lock={3:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [\old(arg)={6:0}, __global_lock={3:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [\old(arg)={6:0}, __global_lock={3:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [\old(arg)={6:0}, __global_lock={3:0}, arg={6:0}, i={6:0}, id=-1, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(arg)={6:0}, \old(cond)=0, __global_lock={3:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(arg)={6:0}, \old(cond)=0, __global_lock={3:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, 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: 12, 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, 0.5s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 19:37:54,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...