/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-9b88b13 [2024-11-17 12:00:43,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 12:00:43,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-17 12:00:43,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 12:00:43,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 12:00:43,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 12:00:43,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 12:00:43,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 12:00:43,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 12:00:43,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 12:00:43,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 12:00:43,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 12:00:43,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 12:00:43,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 12:00:43,106 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 12:00:43,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-17 12:00:43,107 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-17 12:00:43,107 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 [2024-11-17 12:00:43,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 12:00:43,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 12:00:43,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 12:00:43,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 12:00:43,347 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 12:00:43,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2024-11-17 12:00:44,527 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/694f4bd39/16978789894744dfb917c3bed0f5bbb8/FLAGee94b82b7 [2024-11-17 12:00:44,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 12:00:44,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2024-11-17 12:00:44,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/694f4bd39/16978789894744dfb917c3bed0f5bbb8/FLAGee94b82b7 [2024-11-17 12:00:44,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/694f4bd39/16978789894744dfb917c3bed0f5bbb8 [2024-11-17 12:00:44,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 12:00:44,815 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-17 12:00:44,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 12:00:44,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 12:00:44,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 12:00:44,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:00:44" (1/1) ... [2024-11-17 12:00:44,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6527a9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:44, skipping insertion in model container [2024-11-17 12:00:44,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:00:44" (1/1) ... [2024-11-17 12:00:44,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 12:00:45,119 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/singleton_with-uninit-problems.i[55568,55581] [2024-11-17 12:00:45,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 12:00:45,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 12:00:45,186 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/singleton_with-uninit-problems.i[55568,55581] [2024-11-17 12:00:45,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 12:00:45,244 INFO L204 MainTranslator]: Completed translation [2024-11-17 12:00:45,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45 WrapperNode [2024-11-17 12:00:45,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 12:00:45,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 12:00:45,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 12:00:45,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 12:00:45,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,282 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-17 12:00:45,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 12:00:45,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 12:00:45,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 12:00:45,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 12:00:45,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 12:00:45,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-17 12:00:45,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-17 12:00:45,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-17 12:00:45,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (1/1) ... [2024-11-17 12:00:45,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 12:00:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:45,335 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) [2024-11-17 12:00:45,341 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 [2024-11-17 12:00:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 12:00:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 12:00:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-17 12:00:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2024-11-17 12:00:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2024-11-17 12:00:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-17 12:00:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-17 12:00:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-17 12:00:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-17 12:00:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 12:00:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 12:00:45,358 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 12:00:45,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-17 12:00:45,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 12:00:45,599 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 12:00:45,599 INFO L287 CfgBuilder]: Performing block encoding [2024-11-17 12:00:45,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 12:00:45,625 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 12:00:45,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:45 BoogieIcfgContainer [2024-11-17 12:00:45,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-17 12:00:45,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 12:00:45,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 12:00:45,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 12:00:45,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:00:44" (1/3) ... [2024-11-17 12:00:45,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbc73d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:45, skipping insertion in model container [2024-11-17 12:00:45,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:00:45" (2/3) ... [2024-11-17 12:00:45,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbc73d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:45, skipping insertion in model container [2024-11-17 12:00:45,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:45" (3/3) ... [2024-11-17 12:00:45,633 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2024-11-17 12:00:45,642 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 12:00:45,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG singleton_with-uninit-problems.i that has 5 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-17 12:00:45,644 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 12:00:45,749 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2024-11-17 12:00:45,792 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:45,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-17 12:00:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 12:00:45,795 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) [2024-11-17 12:00:45,796 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 [2024-11-17 12:00:45,867 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 12:00:45,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-17 12:00:45,880 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;@1d545952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:45,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 12:00:46,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-17 12:00:46,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:46,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1812304331, now seen corresponding path program 1 times [2024-11-17 12:00:46,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:46,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888028468] [2024-11-17 12:00:46,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:46,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:46,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:46,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888028468] [2024-11-17 12:00:46,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888028468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:46,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:46,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 12:00:46,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826514716] [2024-11-17 12:00:46,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:46,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 12:00:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:46,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 12:00:46,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 12:00:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:46,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:46,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-17 12:00:46,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:46,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 12:00:46,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-17 12:00:46,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 246421148, now seen corresponding path program 1 times [2024-11-17 12:00:46,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:46,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338254408] [2024-11-17 12:00:46,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:47,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:47,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338254408] [2024-11-17 12:00:47,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338254408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:47,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:47,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 12:00:47,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900471481] [2024-11-17 12:00:47,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:47,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 12:00:47,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:47,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 12:00:47,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 12:00:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:47,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:47,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2024-11-17 12:00:47,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:47,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:47,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 12:00:47,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 12:00:47,410 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-17 12:00:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 12:00:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash -727378054, now seen corresponding path program 2 times [2024-11-17 12:00:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 12:00:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467295722] [2024-11-17 12:00:47,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 12:00:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 12:00:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 12:00:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 12:00:47,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 12:00:47,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467295722] [2024-11-17 12:00:47,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467295722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 12:00:47,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 12:00:47,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 12:00:47,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548206641] [2024-11-17 12:00:47,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 12:00:47,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 12:00:47,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 12:00:47,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 12:00:47,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 12:00:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:47,555 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 12:00:47,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2024-11-17 12:00:47,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:47,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-17 12:00:47,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 12:00:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 12:00:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 12:00:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 12:00:49,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-17 12:00:49,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-17 12:00:49,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 12:00:49,189 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-17 12:00:49,191 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2024-11-17 12:00:49,195 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:49,196 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 12:00:49,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread0Thread1of1ForFork4 ======== [2024-11-17 12:00:49,198 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;@1d545952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 12:00:49,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-17 12:00:49,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-11-17 12:00:49,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-11-17 12:00:49,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-17 12:00:49,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-17 12:00:49,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-17 12:00:49,220 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-17 12:00:49,220 INFO L320 ceAbstractionStarter]: Result for error location thread0Thread1of1ForFork4 was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2024-11-17 12:00:49,221 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 12:00:49,221 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 12:00:49,238 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 [2024-11-17 12:00:49,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 12:00:49 BasicIcfg [2024-11-17 12:00:49,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 12:00:49,239 INFO L158 Benchmark]: Toolchain (without parser) took 4424.24ms. Allocated memory was 100.7MB in the beginning and 260.0MB in the end (delta: 159.4MB). Free memory was 70.0MB in the beginning and 194.4MB in the end (delta: -124.4MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2024-11-17 12:00:49,239 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 12:00:49,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.81ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 37.3MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-11-17 12:00:49,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.37ms. Allocated memory is still 100.7MB. Free memory was 37.3MB in the beginning and 35.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 12:00:49,240 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 100.7MB. Free memory was 35.4MB in the beginning and 34.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 12:00:49,240 INFO L158 Benchmark]: RCFGBuilder took 314.16ms. Allocated memory is still 100.7MB. Free memory was 34.0MB in the beginning and 69.7MB in the end (delta: -35.7MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. [2024-11-17 12:00:49,240 INFO L158 Benchmark]: TraceAbstraction took 3611.72ms. Allocated memory was 100.7MB in the beginning and 260.0MB in the end (delta: 159.4MB). Free memory was 69.2MB in the beginning and 194.4MB in the end (delta: -125.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-11-17 12:00:49,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.81ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 37.3MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.37ms. Allocated memory is still 100.7MB. Free memory was 37.3MB in the beginning and 35.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 100.7MB. Free memory was 35.4MB in the beginning and 34.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 314.16ms. Allocated memory is still 100.7MB. Free memory was 34.0MB in the beginning and 69.7MB in the end (delta: -35.7MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3611.72ms. Allocated memory was 100.7MB in the beginning and 260.0MB in the end (delta: 159.4MB). Free memory was 69.2MB in the beginning and 194.4MB in the end (delta: -125.3MB). Peak memory consumption was 33.6MB. 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: 55603, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 450, dependent conditional: 416, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55489, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 336, dependent conditional: 302, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55489, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 336, dependent conditional: 302, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 638, dependent conditional: 604, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 0, independent unconditional: 55153, dependent: 638, dependent conditional: 235, dependent unconditional: 403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 0, independent unconditional: 55153, dependent: 638, dependent conditional: 235, dependent unconditional: 403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5628, independent: 5591, independent conditional: 0, independent unconditional: 5591, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5628, independent: 5580, independent conditional: 0, independent unconditional: 5580, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 431, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 303, dependent conditional: 9, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 55791, independent: 49562, independent conditional: 0, independent unconditional: 49562, dependent: 601, dependent conditional: 232, dependent unconditional: 369, unknown: 5628, unknown conditional: 3, unknown unconditional: 5625] , Statistics on independence cache: Total cache size (in pairs): 5628, Positive cache size: 5591, Positive conditional cache size: 0, Positive unconditional cache size: 5591, Negative cache size: 37, Negative conditional cache size: 3, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49931, Maximal queried relation: 1, Independence queries for same thread: 114, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 8986, Number of trivial persistent sets: 8970, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5625, independent: 5591, independent conditional: 0, independent unconditional: 5591, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55603, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 450, dependent conditional: 416, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55489, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 336, dependent conditional: 302, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55489, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 336, dependent conditional: 302, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 49562, independent unconditional: 5591, dependent: 638, dependent conditional: 604, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 0, independent unconditional: 55153, dependent: 638, dependent conditional: 235, dependent unconditional: 403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55791, independent: 55153, independent conditional: 0, independent unconditional: 55153, dependent: 638, dependent conditional: 235, dependent unconditional: 403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5628, independent: 5591, independent conditional: 0, independent unconditional: 5591, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5628, independent: 5580, independent conditional: 0, independent unconditional: 5580, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 37, dependent conditional: 3, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 431, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 303, dependent conditional: 9, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 55791, independent: 49562, independent conditional: 0, independent unconditional: 49562, dependent: 601, dependent conditional: 232, dependent unconditional: 369, unknown: 5628, unknown conditional: 3, unknown unconditional: 5625] , Statistics on independence cache: Total cache size (in pairs): 5628, Positive cache size: 5591, Positive conditional cache size: 0, Positive unconditional cache size: 5591, Negative cache size: 37, Negative conditional cache size: 3, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49931, Maximal queried relation: 1, Independence queries for same thread: 114 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3396, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5625, Positive cache size: 5591, Positive conditional cache size: 0, Positive unconditional cache size: 5591, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 178, Maximal queried relation: 0, Independence queries for same thread: 1, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 73, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3217, independent: 3197, independent conditional: 0, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3396, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 178, independent unconditional: 3197, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3395, independent: 3375, independent conditional: 0, independent unconditional: 3375, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5625, Positive cache size: 5591, Positive conditional cache size: 0, Positive unconditional cache size: 5591, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 178, Maximal queried relation: 0, Independence queries for same thread: 1 - PositiveResult [Line: 1123]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 182 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.5s, 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: 24, 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, 0.6s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 455 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: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread0Thread1of1ForFork4 with 1 thread instances CFG has 11 procedures, 182 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 12:00:49,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...