/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 06:13:11,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 06:13:11,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 06:13:11,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 06:13:11,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 06:13:11,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 06:13:11,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 06:13:11,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 06:13:11,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 06:13:11,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 06:13:11,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 06:13:11,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 06:13:11,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 06:13:11,526 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 06:13:11,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 06:13:11,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 06:13:11,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 06:13:11,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 06:13:11,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 06:13:11,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 06:13:11,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 06:13:11,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 06:13:11,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 06:13:11,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 06:13:11,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 06:13:11,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 06:13:11,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 06:13:11,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 06:13:11,530 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 06:13:11,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 06:13:11,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:13:11,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 06:13:11,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 06:13:11,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 06:13:11,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 06:13:11,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 06:13:11,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 06:13:11,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 06:13:11,785 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 06:13:11,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2023-09-08 06:13:12,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 06:13:13,124 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 06:13:13,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2023-09-08 06:13:13,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a281d2c/b894499799c747e382b86924cd81a28c/FLAG7e0ac1bb8 [2023-09-08 06:13:13,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a281d2c/b894499799c747e382b86924cd81a28c [2023-09-08 06:13:13,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 06:13:13,171 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 06:13:13,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 06:13:13,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 06:13:13,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 06:13:13,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c81fe00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13, skipping insertion in model container [2023-09-08 06:13:13,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 06:13:13,561 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2023-09-08 06:13:13,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:13:13,582 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 06:13:13,610 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [218] [2023-09-08 06:13:13,611 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [219] [2023-09-08 06:13:13,619 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [730] [2023-09-08 06:13:13,623 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [871] [2023-09-08 06:13:13,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2023-09-08 06:13:13,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:13:13,685 INFO L206 MainTranslator]: Completed translation [2023-09-08 06:13:13,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13 WrapperNode [2023-09-08 06:13:13,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 06:13:13,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 06:13:13,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 06:13:13,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 06:13:13,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,730 INFO L138 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2023-09-08 06:13:13,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 06:13:13,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 06:13:13,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 06:13:13,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 06:13:13,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 06:13:13,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 06:13:13,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 06:13:13,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 06:13:13,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (1/1) ... [2023-09-08 06:13:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:13:13,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:13:13,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 06:13:13,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 06:13:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 06:13:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 06:13:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-09-08 06:13:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 06:13:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 06:13:13,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 06:13:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 06:13:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 06:13:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 06:13:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-08 06:13:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 06:13:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 06:13:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 06:13:13,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 06:13:13,834 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 06:13:14,025 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 06:13:14,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 06:13:14,263 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 06:13:14,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 06:13:14,270 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 06:13:14,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:13:14 BoogieIcfgContainer [2023-09-08 06:13:14,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 06:13:14,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 06:13:14,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 06:13:14,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 06:13:14,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:13:13" (1/3) ... [2023-09-08 06:13:14,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2c41c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:13:14, skipping insertion in model container [2023-09-08 06:13:14,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:13:13" (2/3) ... [2023-09-08 06:13:14,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2c41c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:13:14, skipping insertion in model container [2023-09-08 06:13:14,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:13:14" (3/3) ... [2023-09-08 06:13:14,279 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2023-09-08 06:13:14,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 06:13:14,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 06:13:14,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 06:13:14,296 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 06:13:14,370 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 06:13:14,408 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:13:14,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 06:13:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:13:14,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 06:13:14,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 06:13:14,444 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 06:13:14,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 06:13:14,456 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@1e097e58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:13:14,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 06:13:14,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:14,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:14,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1729914729, now seen corresponding path program 1 times [2023-09-08 06:13:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:14,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073332230] [2023-09-08 06:13:14,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-09-08 06:13:15,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073332230] [2023-09-08 06:13:15,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073332230] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:13:15,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:13:15,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 06:13:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574542127] [2023-09-08 06:13:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:13:15,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 06:13:15,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:15,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 06:13:15,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 06:13:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:15,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:15,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2023-09-08 06:13:15,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:15,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:15,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 06:13:15,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:15,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2080491185, now seen corresponding path program 2 times [2023-09-08 06:13:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:15,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396192063] [2023-09-08 06:13:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-08 06:13:15,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:15,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396192063] [2023-09-08 06:13:15,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396192063] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:13:15,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:13:15,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 06:13:15,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040616011] [2023-09-08 06:13:15,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:13:15,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 06:13:15,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:15,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 06:13:15,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 06:13:15,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:15,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:15,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-09-08 06:13:15,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:15,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:15,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 06:13:15,634 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:15,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:15,635 INFO L85 PathProgramCache]: Analyzing trace with hash -239345161, now seen corresponding path program 3 times [2023-09-08 06:13:15,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:15,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410053228] [2023-09-08 06:13:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:15,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-09-08 06:13:16,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:16,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410053228] [2023-09-08 06:13:16,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410053228] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:13:16,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:13:16,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 06:13:16,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185331830] [2023-09-08 06:13:16,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:13:16,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 06:13:16,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:16,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 06:13:16,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 06:13:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:16,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:16,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2023-09-08 06:13:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 06:13:16,094 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:16,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash -532579126, now seen corresponding path program 4 times [2023-09-08 06:13:16,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:16,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795050785] [2023-09-08 06:13:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:13:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-08 06:13:16,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:13:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795050785] [2023-09-08 06:13:16,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795050785] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:13:16,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:13:16,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 06:13:16,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437499703] [2023-09-08 06:13:16,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:13:16,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 06:13:16,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:13:16,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 06:13:16,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 06:13:16,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:16,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:13:16,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 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) [2023-09-08 06:13:16,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:13:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 06:13:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 06:13:16,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 06:13:16,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 06:13:16,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:13:16,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1068012266, now seen corresponding path program 5 times [2023-09-08 06:13:16,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:13:16,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010132208] [2023-09-08 06:13:16,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:13:16,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:13:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 06:13:16,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-08 06:13:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-08 06:13:16,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-08 06:13:16,574 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-08 06:13:16,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 06:13:16,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 06:13:16,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 06:13:16,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-08 06:13:16,580 INFO L445 BasicCegarLoop]: Path program histogram: [5] [2023-09-08 06:13:16,584 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 06:13:16,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 06:13:16,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:13:16 BasicIcfg [2023-09-08 06:13:16,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 06:13:16,694 INFO L158 Benchmark]: Toolchain (without parser) took 3523.28ms. Allocated memory was 164.6MB in the beginning and 226.5MB in the end (delta: 61.9MB). Free memory was 117.8MB in the beginning and 153.0MB in the end (delta: -35.2MB). Peak memory consumption was 28.1MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,695 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 06:13:16,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.45ms. Allocated memory is still 164.6MB. Free memory was 117.5MB in the beginning and 90.9MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.79ms. Allocated memory is still 164.6MB. Free memory was 90.9MB in the beginning and 88.5MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,695 INFO L158 Benchmark]: Boogie Preprocessor took 30.63ms. Allocated memory is still 164.6MB. Free memory was 88.5MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,696 INFO L158 Benchmark]: RCFGBuilder took 509.23ms. Allocated memory was 164.6MB in the beginning and 226.5MB in the end (delta: 61.9MB). Free memory was 86.7MB in the beginning and 189.2MB in the end (delta: -102.5MB). Peak memory consumption was 15.0MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,696 INFO L158 Benchmark]: TraceAbstraction took 2419.93ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 153.0MB in the end (delta: 35.1MB). Peak memory consumption was 35.1MB. Max. memory is 7.0GB. [2023-09-08 06:13:16,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 512.45ms. Allocated memory is still 164.6MB. Free memory was 117.5MB in the beginning and 90.9MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 44.79ms. Allocated memory is still 164.6MB. Free memory was 90.9MB in the beginning and 88.5MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 30.63ms. Allocated memory is still 164.6MB. Free memory was 88.5MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 509.23ms. Allocated memory was 164.6MB in the beginning and 226.5MB in the end (delta: 61.9MB). Free memory was 86.7MB in the beginning and 189.2MB in the end (delta: -102.5MB). Peak memory consumption was 15.0MB. Max. memory is 7.0GB. * TraceAbstraction took 2419.93ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 153.0MB in the end (delta: 35.1MB). Peak memory consumption was 35.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 218]: Unsoundness Warning unspecified type, defaulting to int C: short [218] - GenericResultAtLocation [Line: 219]: Unsoundness Warning unspecified type, defaulting to int C: short [219] - GenericResultAtLocation [Line: 730]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [730] - GenericResultAtLocation [Line: 871]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [871] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1557, independent: 1128, independent conditional: 1128, independent unconditional: 0, dependent: 429, dependent conditional: 429, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1152, independent: 1128, independent conditional: 1128, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1152, independent: 1128, independent conditional: 1128, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1202, independent: 1128, independent conditional: 7, independent unconditional: 1121, dependent: 74, dependent conditional: 43, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1202, independent: 1128, independent conditional: 7, independent unconditional: 1121, dependent: 74, dependent conditional: 6, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1202, independent: 1128, independent conditional: 7, independent unconditional: 1121, dependent: 74, dependent conditional: 6, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, independent: 270, independent conditional: 4, independent unconditional: 266, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, independent: 261, independent conditional: 0, independent unconditional: 261, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 63, independent conditional: 9, independent unconditional: 54, dependent: 57, dependent conditional: 11, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1202, independent: 858, independent conditional: 3, independent unconditional: 855, dependent: 61, dependent conditional: 2, dependent unconditional: 59, unknown: 283, unknown conditional: 8, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 283, Positive cache size: 270, Positive conditional cache size: 4, Positive unconditional cache size: 266, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37, Maximal queried relation: 4, Independence queries for same thread: 405 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={3:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t1, 0, thread1, 0)=9, t1={7:0}, t2={6:0}, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t2, 0, thread2, 0)=10, t1={7:0}, t2={6:0}, total=0] [L915] 0 \read(t1) VAL [\read(t1)=9, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L890] 2 int j; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, m={3:0}, num=1, total=0] [L891] 2 j = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=0, m={3:0}, num=1, total=0] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=1, total=1] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=1, m={3:0}, num=0, total=1] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L894] COND TRUE 2 num == 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=1, total=1] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L878] COND FALSE 1 !(i < 3) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L887] 1 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=9, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, t1={7:0}, t2={6:0}, total=1] [L916] 0 \read(t2) VAL [\read(t2)=10, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, t1={7:0}, t2={6:0}, total=1] [L894] COND FALSE 2 !(num == 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=1] [L896] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=1, total=3] [L897] 2 num-- VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=2, m={3:0}, num=0, total=3] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=3] [L902] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L903] 2 flag = 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=10, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L917] COND TRUE 0 \read(flag) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L919] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 167 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.6s, 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: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 662 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 451/451 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 RESULT: Ultimate proved your program to be incorrect! [2023-09-08 06:13:16,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-08 06:13:16,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...