/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/reorder_2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 11:29:23,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 11:29:23,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 11:29:23,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 11:29:23,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 11:29:23,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 11:29:23,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 11:29:23,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 11:29:23,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 11:29:23,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 11:29:23,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 11:29:23,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 11:29:23,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 11:29:23,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 11:29:23,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 11:29:23,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 11:29:23,160 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 11:29:23,160 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 [2024-11-14 11:29:23,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 11:29:23,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 11:29:23,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 11:29:23,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 11:29:23,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 11:29:23,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/reorder_2.i [2024-11-14 11:29:24,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 11:29:24,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 11:29:24,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/reorder_2.i [2024-11-14 11:29:24,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/650f04144/87644f7ac19f44e0ad5bfb3efdc2873e/FLAG850a17ab2 [2024-11-14 11:29:24,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/650f04144/87644f7ac19f44e0ad5bfb3efdc2873e [2024-11-14 11:29:24,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 11:29:24,782 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 11:29:24,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 11:29:24,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 11:29:24,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 11:29:24,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:29:24" (1/1) ... [2024-11-14 11:29:24,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4afb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:24, skipping insertion in model container [2024-11-14 11:29:24,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:29:24" (1/1) ... [2024-11-14 11:29:24,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 11:29:25,138 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/reorder_2.i[60219,60232] [2024-11-14 11:29:25,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 11:29:25,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 11:29:25,200 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/reorder_2.i[60219,60232] [2024-11-14 11:29:25,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 11:29:25,252 INFO L204 MainTranslator]: Completed translation [2024-11-14 11:29:25,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25 WrapperNode [2024-11-14 11:29:25,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 11:29:25,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 11:29:25,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 11:29:25,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 11:29:25,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,288 INFO L138 Inliner]: procedures = 372, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2024-11-14 11:29:25,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 11:29:25,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 11:29:25,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 11:29:25,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 11:29:25,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 11:29:25,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 11:29:25,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 11:29:25,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 11:29:25,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (1/1) ... [2024-11-14 11:29:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 11:29:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 11:29:25,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 11:29:25,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 11:29:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-14 11:29:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-14 11:29:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 11:29:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 11:29:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 11:29:25,348 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 11:29:25,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 11:29:25,456 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 11:29:25,592 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 11:29:25,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 11:29:25,598 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 11:29:25,598 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 11:29:25,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:29:25 BoogieIcfgContainer [2024-11-14 11:29:25,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 11:29:25,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 11:29:25,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 11:29:25,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 11:29:25,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 11:29:24" (1/3) ... [2024-11-14 11:29:25,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd77766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:29:25, skipping insertion in model container [2024-11-14 11:29:25,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:29:25" (2/3) ... [2024-11-14 11:29:25,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd77766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:29:25, skipping insertion in model container [2024-11-14 11:29:25,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:29:25" (3/3) ... [2024-11-14 11:29:25,606 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2.i [2024-11-14 11:29:25,617 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 11:29:25,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_2.i that has 3 procedures, 127 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 11:29:25,619 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 11:29:25,673 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 11:29:25,714 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 11:29:25,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 11:29:25,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 11:29:25,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 11:29:25,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 11:29:25,780 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 11:29:25,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of1ForFork1 ======== [2024-11-14 11:29:25,796 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;@1f953bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 11:29:25,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 11:29:25,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 11:29:25,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 11:29:25,985 INFO L85 PathProgramCache]: Analyzing trace with hash -103077492, now seen corresponding path program 1 times [2024-11-14 11:29:25,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 11:29:25,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411708872] [2024-11-14 11:29:25,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 11:29:25,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 11:29:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 11:29:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 11:29:26,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 11:29:26,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411708872] [2024-11-14 11:29:26,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411708872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 11:29:26,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 11:29:26,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 11:29:26,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827553960] [2024-11-14 11:29:26,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 11:29:26,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 11:29:26,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 11:29:26,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 11:29:26,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 11:29:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,138 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 11:29:26,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 11:29:26,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 11:29:26,163 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 11:29:26,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 11:29:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash -399465722, now seen corresponding path program 1 times [2024-11-14 11:29:26,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 11:29:26,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789859062] [2024-11-14 11:29:26,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 11:29:26,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 11:29:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 11:29:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 11:29:26,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 11:29:26,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789859062] [2024-11-14 11:29:26,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789859062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 11:29:26,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 11:29:26,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 11:29:26,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054136774] [2024-11-14 11:29:26,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 11:29:26,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 11:29:26,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 11:29:26,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 11:29:26,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 11:29:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 11:29:26,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 11:29:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 11:29:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 11:29:26,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 11:29:26,670 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 11:29:26,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 11:29:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash -412875516, now seen corresponding path program 1 times [2024-11-14 11:29:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 11:29:26,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126004730] [2024-11-14 11:29:26,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 11:29:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 11:29:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 11:29:26,701 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 11:29:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 11:29:26,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 11:29:26,740 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 11:29:26,740 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 11:29:26,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 11:29:26,747 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 11:29:26,748 INFO L320 ceAbstractionStarter]: Result for error location checkThreadThread1of1ForFork1 was UNSAFE (1/2) [2024-11-14 11:29:26,789 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 11:29:26,789 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 11:29:26,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 11:29:26,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 11:29:26 BasicIcfg [2024-11-14 11:29:26,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 11:29:26,806 INFO L158 Benchmark]: Toolchain (without parser) took 2024.01ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 69.5MB in the beginning and 107.8MB in the end (delta: -38.3MB). Peak memory consumption was 27.1MB. Max. memory is 8.0GB. [2024-11-14 11:29:26,806 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 11:29:26,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.51ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 30.8MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2024-11-14 11:29:26,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.81ms. Allocated memory is still 100.7MB. Free memory was 30.8MB in the beginning and 28.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 11:29:26,806 INFO L158 Benchmark]: Boogie Preprocessor took 18.23ms. Allocated memory is still 100.7MB. Free memory was 28.4MB in the beginning and 27.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 11:29:26,807 INFO L158 Benchmark]: RCFGBuilder took 289.84ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 27.0MB in the beginning and 128.1MB in the end (delta: -101.1MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2024-11-14 11:29:26,807 INFO L158 Benchmark]: TraceAbstraction took 1204.03ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.8MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2024-11-14 11:29:26,808 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 52.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.51ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 30.8MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.81ms. Allocated memory is still 100.7MB. Free memory was 30.8MB in the beginning and 28.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.23ms. Allocated memory is still 100.7MB. Free memory was 28.4MB in the beginning and 27.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 289.84ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 27.0MB in the beginning and 128.1MB in the end (delta: -101.1MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1204.03ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.8MB). Peak memory consumption was 17.6MB. 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: 2752, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 53, dependent conditional: 43, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2710, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2710, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 0, independent unconditional: 2699, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 0, independent unconditional: 2699, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2235, independent: 2225, independent conditional: 0, independent unconditional: 2225, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2235, independent: 2219, independent conditional: 0, independent unconditional: 2219, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2711, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 2235, unknown conditional: 0, unknown unconditional: 2235] , Statistics on independence cache: Total cache size (in pairs): 2235, Positive cache size: 2225, Positive conditional cache size: 0, Positive unconditional cache size: 2225, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 316, Maximal queried relation: 1, Independence queries for same thread: 42, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 236, Number of trivial persistent sets: 206, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2395, independent: 2385, independent conditional: 0, independent unconditional: 2385, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2752, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 53, dependent conditional: 43, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2710, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2710, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 314, independent unconditional: 2385, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 0, independent unconditional: 2699, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2711, independent: 2699, independent conditional: 0, independent unconditional: 2699, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2235, independent: 2225, independent conditional: 0, independent unconditional: 2225, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2235, independent: 2219, independent conditional: 0, independent unconditional: 2219, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2711, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 2235, unknown conditional: 0, unknown unconditional: 2235] , Statistics on independence cache: Total cache size (in pairs): 2235, Positive cache size: 2225, Positive conditional cache size: 0, Positive unconditional cache size: 2225, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 316, Maximal queried relation: 1, Independence queries for same thread: 42 - UnprovableResult [Line: 1307]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of sscanf at line 1254, overapproximation of sscanf at line 1253. Possible FailurePath: [L1238] 0 static int iSet = 2; VAL [iSet=2] [L1239] 0 static int iCheck = 2; VAL [iCheck=2, iSet=2] [L1240] 0 static int a = 0; VAL [a=0, iCheck=2, iSet=2] [L1241] 0 static int b = 0; VAL [a=0, b=0, iCheck=2, iSet=2] [L1247] 0 int i, err; VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1248] COND TRUE 0 argc != 1 VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1249] COND FALSE 0 !(argc != 3) VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1257] COND FALSE 0 !(iSet > 100000 || iCheck > 100000) VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, iCheck=2, iSet=1] [L1260] 0 pthread_t setPool[iSet]; VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, iCheck=2, iSet=1, setPool={6:0}] [L1261] 0 pthread_t checkPool[iCheck]; VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, checkPool={5:0}, iCheck=2, iSet=1, setPool={6:0}] [L1262] 0 i = 0 VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=2, iSet=1, setPool={6:0}] [L1262] COND TRUE 0 i < iSet VAL [\old(argc)=3, \old(argv)={50:49}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=2, iSet=1, setPool={6:0}] [L1263] EXPR, FCALL, FORK 0 pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=2, iSet=1, setPool={6:0}] [L1291] 1 a = 1 VAL [\old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, param={0:0}] [L1263] EXPR 0 err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1263] COND FALSE 0 !(0 != (err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)))) VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1262] 0 i++ VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=1, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1262] COND FALSE 0 !(i < iSet) VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=1, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1268] 0 i = 0 VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1268] COND TRUE 0 i < iCheck VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1269-L1270] FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:49}, \old(param)={0:0}, \old(param)={0:0}, a=1, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=2, iSet=1, param={0:0}, setPool={6:0}] [L1300] 2 int la = a; VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, la=1, param={0:0}, param={0:0}] [L1303] 2 int lb = b; VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, la=1, lb=0, param={0:0}, param={0:0}] [L1305] COND TRUE 2 ! ((la == 0 && lb == 0) || (la == 1 && lb == -1)) VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, la=1, lb=0, param={0:0}, param={0:0}] [L1307] 2 reach_error() VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, la=1, lb=0, param={0:0}, param={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: checkThreadThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 11:29:26,827 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...