/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-ext/25_stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 01:29:10,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 01:29:11,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 01:29:11,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 01:29:11,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 01:29:11,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 01:29:11,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 01:29:11,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 01:29:11,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 01:29:11,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 01:29:11,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 01:29:11,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 01:29:11,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 01:29:11,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 01:29:11,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 01:29:11,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:29:11,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 01:29:11,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 01:29:11,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 01:29:11,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 01:29:11,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 01:29:11,109 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 01:29:11,109 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 01:29:11,109 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 [2024-11-14 01:29:11,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 01:29:11,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 01:29:11,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 01:29:11,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 01:29:11,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 01:29:11,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i [2024-11-14 01:29:12,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 01:29:13,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 01:29:13,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i [2024-11-14 01:29:13,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a0d080f35/9601483ad77b413388820fb3a2c03a20/FLAG1ebe30a40 [2024-11-14 01:29:13,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a0d080f35/9601483ad77b413388820fb3a2c03a20 [2024-11-14 01:29:13,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 01:29:13,322 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 01:29:13,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 01:29:13,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 01:29:13,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 01:29:13,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8a54b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13, skipping insertion in model container [2024-11-14 01:29:13,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 01:29:13,618 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-ext/25_stack_longer-1.i[31350,31363] [2024-11-14 01:29:13,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:29:13,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 01:29:13,718 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-ext/25_stack_longer-1.i[31350,31363] [2024-11-14 01:29:13,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:29:13,772 INFO L204 MainTranslator]: Completed translation [2024-11-14 01:29:13,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13 WrapperNode [2024-11-14 01:29:13,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 01:29:13,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 01:29:13,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 01:29:13,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 01:29:13,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,846 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 777 [2024-11-14 01:29:13,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 01:29:13,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 01:29:13,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 01:29:13,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 01:29:13,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 01:29:13,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 01:29:13,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 01:29:13,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 01:29:13,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (1/1) ... [2024-11-14 01:29:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:29:13,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:29:13,939 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 01:29:13,945 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 01:29:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 01:29:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 01:29:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 01:29:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 01:29:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 01:29:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 01:29:13,968 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 01:29:14,111 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 01:29:14,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 01:29:15,022 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 01:29:15,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 01:29:15,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 01:29:15,117 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 01:29:15,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:29:15 BoogieIcfgContainer [2024-11-14 01:29:15,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 01:29:15,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 01:29:15,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 01:29:15,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 01:29:15,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 01:29:13" (1/3) ... [2024-11-14 01:29:15,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:29:15, skipping insertion in model container [2024-11-14 01:29:15,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:29:13" (2/3) ... [2024-11-14 01:29:15,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:29:15, skipping insertion in model container [2024-11-14 01:29:15,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:29:15" (3/3) ... [2024-11-14 01:29:15,129 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack_longer-1.i [2024-11-14 01:29:15,141 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 01:29:15,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 25_stack_longer-1.i that has 2 procedures, 753 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 01:29:15,143 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 01:29:15,264 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 01:29:15,345 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:29:15,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 01:29:15,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:29:15,350 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 01:29:15,351 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 01:29:15,439 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 01:29:15,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-14 01:29:15,458 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;@3c944da5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:29:15,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 01:29:16,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:29:16,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:29:16,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1455234216, now seen corresponding path program 1 times [2024-11-14 01:29:16,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:29:16,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601391725] [2024-11-14 01:29:16,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:29:16,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:29:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:29:17,866 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 01:29:17,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:29:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601391725] [2024-11-14 01:29:17,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601391725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:29:17,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:29:17,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 01:29:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851712802] [2024-11-14 01:29:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:29:17,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 01:29:17,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:29:17,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 01:29:17,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 01:29:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:29:17,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:29:17,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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 01:29:17,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:29:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 01:29:18,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 01:29:18,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:29:18,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:29:18,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1331857514, now seen corresponding path program 1 times [2024-11-14 01:29:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:29:18,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914065972] [2024-11-14 01:29:18,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:29:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:29:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:29:19,636 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 01:29:19,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:29:19,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914065972] [2024-11-14 01:29:19,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914065972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:29:19,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:29:19,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 01:29:19,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201976821] [2024-11-14 01:29:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:29:19,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 01:29:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:29:19,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 01:29:19,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 01:29:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:29:19,644 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:29:19,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 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 01:29:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 01:29:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:29:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 01:29:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:29:19,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 01:29:19,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:29:20,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:29:20,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1960262383, now seen corresponding path program 1 times [2024-11-14 01:29:20,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:29:20,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586389723] [2024-11-14 01:29:20,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:29:20,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:29:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 01:29:20,712 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 01:29:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 01:29:21,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 01:29:21,477 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 01:29:21,478 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 01:29:21,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 01:29:21,485 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 01:29:21,488 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was UNSAFE (1/2) [2024-11-14 01:29:21,613 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 01:29:21,613 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 01:29:21,635 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 01:29:21,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 01:29:21 BasicIcfg [2024-11-14 01:29:21,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 01:29:21,639 INFO L158 Benchmark]: Toolchain (without parser) took 8315.73ms. Allocated memory was 100.7MB in the beginning and 528.5MB in the end (delta: 427.8MB). Free memory was 71.3MB in the beginning and 338.4MB in the end (delta: -267.1MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,640 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:29:21,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.41ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 46.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.33ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 41.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,641 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 38.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,641 INFO L158 Benchmark]: RCFGBuilder took 1211.45ms. Allocated memory is still 100.7MB. Free memory was 38.1MB in the beginning and 33.9MB in the end (delta: 4.2MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,641 INFO L158 Benchmark]: TraceAbstraction took 6517.58ms. Allocated memory was 100.7MB in the beginning and 528.5MB in the end (delta: 427.8MB). Free memory was 33.3MB in the beginning and 338.4MB in the end (delta: -305.0MB). Peak memory consumption was 205.2MB. Max. memory is 8.0GB. [2024-11-14 01:29:21,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 450.41ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 46.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.33ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 41.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 100.7MB. Free memory was 41.9MB in the beginning and 38.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1211.45ms. Allocated memory is still 100.7MB. Free memory was 38.1MB in the beginning and 33.9MB in the end (delta: 4.2MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. * TraceAbstraction took 6517.58ms. Allocated memory was 100.7MB in the beginning and 528.5MB in the end (delta: 427.8MB). Free memory was 33.3MB in the beginning and 338.4MB in the end (delta: -305.0MB). Peak memory consumption was 205.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1753, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 127, dependent conditional: 117, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 0, independent unconditional: 1626, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 0, independent unconditional: 1626, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1214, independent: 1204, independent conditional: 0, independent unconditional: 1204, 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: 1214, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 27, independent conditional: 0, independent unconditional: 27, 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: 37, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 731, independent: 483, independent conditional: 0, independent unconditional: 483, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1636, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1214, unknown conditional: 0, unknown unconditional: 1214] , Statistics on independence cache: Total cache size (in pairs): 1214, Positive cache size: 1204, Positive conditional cache size: 0, Positive unconditional cache size: 1204, 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: 254, Maximal queried relation: 0, Independence queries for same thread: 117, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 740, Number of trivial persistent sets: 690, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1382, independent: 1372, independent conditional: 0, independent unconditional: 1372, 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: 1753, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 127, dependent conditional: 117, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 254, independent unconditional: 1372, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 0, independent unconditional: 1626, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, independent: 1626, independent conditional: 0, independent unconditional: 1626, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1214, independent: 1204, independent conditional: 0, independent unconditional: 1204, 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: 1214, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 27, independent conditional: 0, independent unconditional: 27, 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: 37, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 731, independent: 483, independent conditional: 0, independent unconditional: 483, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1636, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1214, unknown conditional: 0, unknown unconditional: 1214] , Statistics on independence cache: Total cache size (in pairs): 1214, Positive cache size: 1204, Positive conditional cache size: 0, Positive unconditional cache size: 1204, 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: 254, Maximal queried relation: 0, Independence queries for same thread: 117 - CounterExampleResult [Line: 736]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int memory[(2*320+1)]; [L689] 0 int next_alloc_idx = 1; VAL [next_alloc_idx=1] [L690] 0 pthread_mutex_t m = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [m={3:0}, next_alloc_idx=1] [L691] 0 int top; VAL [m={3:0}, next_alloc_idx=1, top=0] [L746] 0 pthread_mutex_t m2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, top=0] [L747] 0 int state = 0; VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, state=0, top=0] [L765] 0 pthread_t t; VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, state=0, top=0] [L766] COND TRUE 0 1 VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, state=0, top=0] [L766] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, state=0, t=-1, top=0] [L753] 1 case 0: [L754] CALL 1 EBStack_init() [L706] 1 top = 0 VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, state=0, top=0] [L754] RET 1 EBStack_init() [L755] 1 state = 1 VAL [\old(arg)={0:0}, arg={0:0}, m2={4:0}, m={3:0}, next_alloc_idx=1, state=1, top=0] [L756] 1 case 1: VAL [\old(arg)={0:0}, arg={0:0}, m2={4:0}, m={3:0}, next_alloc_idx=1, state=1, top=0] [L758] CALL 1 push_loop() [L739] 1 int r = -1; VAL [m2={4:0}, m={3:0}, next_alloc_idx=1, r=-1, state=1, top=0] [L740] 1 int arg = __VERIFIER_nondet_int(); VAL [arg=0, m2={4:0}, m={3:0}, next_alloc_idx=1, r=-1, state=1, top=0] [L741] COND TRUE 1 1 [L742] CALL, EXPR 1 push(arg) [L715] 1 int oldTop = -1, newTop = -1; [L716] CALL, EXPR 1 index_malloc() [L693] 1 int curr_alloc_idx = -1; VAL [curr_alloc_idx=-1, m2={4:0}, m={3:0}, next_alloc_idx=1, state=1, top=0] [L695] COND FALSE 1 !(next_alloc_idx+2-1 > (2*320+1)) VAL [curr_alloc_idx=-1, m2={4:0}, m={3:0}, next_alloc_idx=1, state=1, top=0] [L699] 1 curr_alloc_idx = next_alloc_idx VAL [curr_alloc_idx=1, m2={4:0}, m={3:0}, next_alloc_idx=1, state=1, top=0] [L700] 1 next_alloc_idx += 2 VAL [curr_alloc_idx=1, m2={4:0}, m={3:0}, next_alloc_idx=3, state=1, top=0] [L703] 1 return curr_alloc_idx; VAL [\result=1, curr_alloc_idx=1, m2={4:0}, m={3:0}, next_alloc_idx=3, state=1, top=0] [L716] RET, EXPR 1 index_malloc() [L716] 1 newTop = index_malloc() VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0] [L717] COND FALSE 1 !(newTop == 0) VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0] [L720] 1 memory[newTop+0] = d VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0] [L722] 1 oldTop = top VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=0] [L723] 1 memory[newTop+1] = oldTop VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=0] [L725] 1 top = newTop VAL [\old(d)=0, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=1] [L728] 1 return 1; VAL [\old(d)=0, \result=1, d=0, m2={4:0}, m={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=1] [L742] RET, EXPR 1 push(arg) [L742] 1 r = push(arg) VAL [arg=0, m2={4:0}, m={3:0}, next_alloc_idx=3, r=1, state=1, top=1] [L743] CALL 1 __VERIFIER_atomic_assert(r) [L736] EXPR 1 !r || !isEmpty() [L736] CALL, EXPR 1 isEmpty() [L709] COND FALSE 1 !(top == 0) [L712] 1 return 0; [L736] RET, EXPR 1 isEmpty() [L736] EXPR 1 !r || !isEmpty() [L736] COND TRUE 1 !(!(!r || !isEmpty())) [L736] 1 reach_error() VAL [\old(r)=1, m2={4:0}, m={3:0}, next_alloc_idx=3, r=1, state=1, top=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 823 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2191 NumberOfCodeBlocks, 2191 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1453 ConstructedInterpolants, 0 QuantifiedInterpolants, 1719 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 proved your program to be incorrect! [2024-11-14 01:29:21,670 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...