/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:29:51,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:29:51,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:29:51,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:29:51,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:29:51,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:29:51,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:29:51,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:29:51,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:29:51,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:29:51,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:29:51,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:29:51,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:29:51,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:29:51,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:29:51,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:29:51,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:29:51,529 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:29:51,529 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 [2024-11-16 00:29:51,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:29:51,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:29:51,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:29:51,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:29:51,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:29:51,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-11-16 00:29:52,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:29:53,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:29:53,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-11-16 00:29:53,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/307dca023/475426b0914940abbf8faede178d9624/FLAGac430af44 [2024-11-16 00:29:53,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/307dca023/475426b0914940abbf8faede178d9624 [2024-11-16 00:29:53,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:29:53,454 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:29:53,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:29:53,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:29:53,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:29:53,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7983fecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53, skipping insertion in model container [2024-11-16 00:29:53,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:29:53,708 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/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2024-11-16 00:29:53,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:29:53,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:29:53,760 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/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2024-11-16 00:29:53,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:29:53,801 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:29:53,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53 WrapperNode [2024-11-16 00:29:53,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:29:53,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:29:53,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:29:53,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:29:53,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,833 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 272 [2024-11-16 00:29:53,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:29:53,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:29:53,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:29:53,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:29:53,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:29:53,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:29:53,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:29:53,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:29:53,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (1/1) ... [2024-11-16 00:29:53,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:29:53,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:29:53,884 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) [2024-11-16 00:29:53,887 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 [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:29:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:29:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:29:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:29:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:29:53,910 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:29:54,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:29:54,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:29:54,286 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:29:54,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:29:54,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:29:54,318 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-16 00:29:54,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:54 BoogieIcfgContainer [2024-11-16 00:29:54,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:29:54,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:29:54,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:29:54,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:29:54,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:29:53" (1/3) ... [2024-11-16 00:29:54,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b750cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:54, skipping insertion in model container [2024-11-16 00:29:54,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:53" (2/3) ... [2024-11-16 00:29:54,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b750cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:54, skipping insertion in model container [2024-11-16 00:29:54,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:54" (3/3) ... [2024-11-16 00:29:54,328 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-11-16 00:29:54,338 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:29:54,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG arithmetic_prog_bad.i that has 3 procedures, 320 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-16 00:29:54,341 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:29:54,411 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:29:54,463 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:29:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:29:54,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:29:54,467 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) [2024-11-16 00:29:54,468 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 [2024-11-16 00:29:54,541 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:29:54,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:29:54,556 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;@5a7bb1e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:29:54,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:29:55,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:55,066 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:55,067 INFO L132 ounterexampleChecker]: Examining path program with hash 1217491744, occurence #1 [2024-11-16 00:29:55,067 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:55,068 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:55,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:55,072 INFO L85 PathProgramCache]: Analyzing trace with hash -693603880, now seen corresponding path program 1 times [2024-11-16 00:29:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:55,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152670049] [2024-11-16 00:29:55,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:29:55,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:29:55,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152670049] [2024-11-16 00:29:55,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152670049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:29:55,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:29:55,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 00:29:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777806301] [2024-11-16 00:29:55,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:29:55,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 00:29:55,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:29:55,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 00:29:55,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 00:29:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:55,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:29:55,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2024-11-16 00:29:55,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:55,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:29:55,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:55,791 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:55,791 INFO L132 ounterexampleChecker]: Examining path program with hash 1350009459, occurence #1 [2024-11-16 00:29:55,791 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:55,791 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:55,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1329251336, now seen corresponding path program 2 times [2024-11-16 00:29:55,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342720081] [2024-11-16 00:29:55,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 00:29:56,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:29:56,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342720081] [2024-11-16 00:29:56,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342720081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:29:56,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:29:56,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 00:29:56,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359329564] [2024-11-16 00:29:56,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:29:56,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 00:29:56,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:29:56,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 00:29:56,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 00:29:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:56,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:29:56,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 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) [2024-11-16 00:29:56,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:56,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:56,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:56,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:56,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:29:56,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:56,385 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:56,385 INFO L132 ounterexampleChecker]: Examining path program with hash -256820994, occurence #1 [2024-11-16 00:29:56,385 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:56,385 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:56,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:56,386 INFO L85 PathProgramCache]: Analyzing trace with hash -421623450, now seen corresponding path program 3 times [2024-11-16 00:29:56,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:56,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10813203] [2024-11-16 00:29:56,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 00:29:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:29:56,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10813203] [2024-11-16 00:29:56,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10813203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:29:56,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:29:56,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:29:56,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234215322] [2024-11-16 00:29:56,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:29:56,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:29:56,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:29:56,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:29:56,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:29:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:56,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:29:56,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2024-11-16 00:29:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:29:56,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 00:29:56,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:56,873 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:56,873 INFO L132 ounterexampleChecker]: Examining path program with hash -435482400, occurence #1 [2024-11-16 00:29:56,873 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:56,874 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:56,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:56,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1632328618, now seen corresponding path program 1 times [2024-11-16 00:29:56,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:56,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206881042] [2024-11-16 00:29:56,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:56,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:29:57,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:29:57,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206881042] [2024-11-16 00:29:57,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206881042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:29:57,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562956799] [2024-11-16 00:29:57,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:57,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:29:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:29:57,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:29:57,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 00:29:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:57,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 00:29:57,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:29:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 00:29:57,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:29:57,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562956799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:29:57,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:29:57,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-11-16 00:29:57,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575509232] [2024-11-16 00:29:57,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:29:57,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 00:29:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:29:57,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 00:29:57,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 00:29:57,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:57,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:29:57,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2024-11-16 00:29:57,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:57,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:57,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:29:57,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:29:57,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:29:57,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:29:57,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:29:57,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:57,747 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:57,747 INFO L132 ounterexampleChecker]: Examining path program with hash -2065777367, occurence #1 [2024-11-16 00:29:57,747 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:57,747 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:57,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1415364770, now seen corresponding path program 4 times [2024-11-16 00:29:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400306758] [2024-11-16 00:29:57,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:29:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:29:58,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:29:58,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400306758] [2024-11-16 00:29:58,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400306758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:29:58,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420905725] [2024-11-16 00:29:58,152 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-16 00:29:58,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:29:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:29:58,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:29:58,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 00:29:58,353 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-16 00:29:58,353 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:29:58,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 00:29:58,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:29:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 00:29:58,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:29:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420905725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:29:58,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:29:58,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2024-11-16 00:29:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849102823] [2024-11-16 00:29:58,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:29:58,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 00:29:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:29:58,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 00:29:58,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 00:29:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:58,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:29:58,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 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) [2024-11-16 00:29:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:29:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:29:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:29:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:29:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 00:29:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:29:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:29:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:29:58,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 00:29:58,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:29:58,738 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:29:58,738 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:29:58,738 INFO L132 ounterexampleChecker]: Examining path program with hash 1509048332, occurence #1 [2024-11-16 00:29:58,738 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:29:58,738 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:29:58,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:29:58,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1655800321, now seen corresponding path program 2 times [2024-11-16 00:29:58,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:29:58,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115538778] [2024-11-16 00:29:58,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:29:58,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:29:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:29:58,812 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:29:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:29:58,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:29:58,999 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:29:59,000 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-16 00:29:59,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-16 00:29:59,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:29:59,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 00:29:59,005 INFO L422 BasicCegarLoop]: Path program histogram: [4, 2] [2024-11-16 00:29:59,192 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 00:29:59,192 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 00:29:59,207 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 [2024-11-16 00:29:59,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:29:59 BasicIcfg [2024-11-16 00:29:59,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 00:29:59,208 INFO L158 Benchmark]: Toolchain (without parser) took 5753.89ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 55.3MB in the beginning and 104.0MB in the end (delta: -48.7MB). Peak memory consumption was 121.6MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,208 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:29:59,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.05ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 27.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.43ms. Allocated memory is still 83.9MB. Free memory was 27.1MB in the beginning and 24.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,209 INFO L158 Benchmark]: Boogie Preprocessor took 20.71ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 21.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,209 INFO L158 Benchmark]: RCFGBuilder took 466.22ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 21.6MB in the beginning and 63.5MB in the end (delta: -42.0MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,209 INFO L158 Benchmark]: TraceAbstraction took 4884.44ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 62.7MB in the beginning and 104.0MB in the end (delta: -41.2MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2024-11-16 00:29:59,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 347.05ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 27.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.43ms. Allocated memory is still 83.9MB. Free memory was 27.1MB in the beginning and 24.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.71ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 21.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 466.22ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 21.6MB in the beginning and 63.5MB in the end (delta: -42.0MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4884.44ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 62.7MB in the beginning and 104.0MB in the end (delta: -41.2MB). Peak memory consumption was 100.4MB. 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: 4899, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 812, dependent conditional: 784, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4199, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 112, dependent conditional: 84, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4199, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 112, dependent conditional: 84, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 237, dependent conditional: 209, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 2, independent unconditional: 4085, dependent: 237, dependent conditional: 31, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 2, independent unconditional: 4085, dependent: 237, dependent conditional: 31, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1744, independent: 1698, independent conditional: 2, independent unconditional: 1696, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1744, independent: 1679, independent conditional: 0, independent unconditional: 1679, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 19, independent conditional: 2, independent unconditional: 17, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 19, independent conditional: 2, independent unconditional: 17, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, independent: 128, independent conditional: 9, independent unconditional: 118, dependent: 386, dependent conditional: 109, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4324, independent: 2389, independent conditional: 0, independent unconditional: 2389, dependent: 191, dependent conditional: 17, dependent unconditional: 174, unknown: 1744, unknown conditional: 16, unknown unconditional: 1728] , Statistics on independence cache: Total cache size (in pairs): 1744, Positive cache size: 1698, Positive conditional cache size: 2, Positive unconditional cache size: 1696, Negative cache size: 46, Negative conditional cache size: 14, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2092, Maximal queried relation: 5, Independence queries for same thread: 700, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 607, Number of trivial persistent sets: 497, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2199, independent: 2171, independent conditional: 0, independent unconditional: 2171, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4899, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 812, dependent conditional: 784, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4199, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 112, dependent conditional: 84, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4199, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 112, dependent conditional: 84, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 1916, independent unconditional: 2171, dependent: 237, dependent conditional: 209, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 2, independent unconditional: 4085, dependent: 237, dependent conditional: 31, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4324, independent: 4087, independent conditional: 2, independent unconditional: 4085, dependent: 237, dependent conditional: 31, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1744, independent: 1698, independent conditional: 2, independent unconditional: 1696, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1744, independent: 1679, independent conditional: 0, independent unconditional: 1679, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 19, independent conditional: 2, independent unconditional: 17, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 19, independent conditional: 2, independent unconditional: 17, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, independent: 128, independent conditional: 9, independent unconditional: 118, dependent: 386, dependent conditional: 109, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4324, independent: 2389, independent conditional: 0, independent unconditional: 2389, dependent: 191, dependent conditional: 17, dependent unconditional: 174, unknown: 1744, unknown conditional: 16, unknown unconditional: 1728] , Statistics on independence cache: Total cache size (in pairs): 1744, Positive cache size: 1698, Positive conditional cache size: 2, Positive unconditional cache size: 1696, Negative cache size: 46, Negative conditional cache size: 14, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2092, Maximal queried relation: 5, Independence queries for same thread: 700 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={3:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [flag=0, m={3:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [flag=0, m={3:0}, num=0, total=0] [L908] 0 num = 0 VAL [flag=0, m={3:0}, num=0, total=0] [L909] 0 total = 0 VAL [flag=0, m={3:0}, num=0, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, flag=0, m={3:0}, num=0, t1=-1, total=0] [L876] 1 int i; VAL [\old(arg)={0:0}, arg={0:0}, flag=0, m={3:0}, num=0, total=0] [L877] 1 i = 0 VAL [\old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, t1=-1, t2=0, total=0] [L890] 2 int j; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, total=0] [L891] 2 j = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=1, total=0] [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=0, total=0] [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=1] [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=0, total=1] [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=1, total=1] [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L878] COND FALSE 1 !(i < 3) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L887] 1 return ((void *)0); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, t1=-1, t2=0, total=1] [L894] COND FALSE 2 !(num == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L896] 2 total = total + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=3] [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=0, total=3] [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, total=3] [L902] 2 total = total + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, total=6] [L903] 2 flag = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-1, t2=0, total=6] [L917] COND TRUE 0 \read(flag) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-1, t2=0, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-1, t2=0, total=6] [L919] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-1, t2=0, total=6] - UnprovableResult [Line: 914]: 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. - UnprovableResult [Line: 913]: 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 5 procedures, 365 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.2s, 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: 31, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2916 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2547 ConstructedInterpolants, 0 QuantifiedInterpolants, 3151 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1370 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 66/78 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! [2024-11-16 00:29:59,229 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...