/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 16:05:11,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 16:05:11,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 16:05:11,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 16:05:11,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 16:05:11,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 16:05:11,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 16:05:11,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 16:05:11,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 16:05:11,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 16:05:11,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 16:05:11,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 16:05:11,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 16:05:11,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 16:05:11,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 16:05:11,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 16:05:11,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-22 16:05:11,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 16:05:11,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 16:05:11,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 16:05:11,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-08-22 16:05:11,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 16:05:11,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 16:05:11,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 16:05:11,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 16:05:11,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 16:05:11,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 16:05:11,172 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 16:05:11,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 16:05:11,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 16:05:11,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 16:05:11,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 16:05:11,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 16:05:11,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 16:05:11,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 16:05:11,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 16:05:11,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 16:05:11,176 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 16:05:11,176 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-22 16:05:11,176 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 16:05:11,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 16:05:11,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 16:05:11,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 16:05:11,474 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 16:05:11,475 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 16:05:11,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl [2021-08-22 16:05:11,475 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl' [2021-08-22 16:05:11,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 16:05:11,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 16:05:11,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 16:05:11,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 16:05:11,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 16:05:11,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 16:05:11,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 16:05:11,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 16:05:11,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 16:05:11,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 16:05:11,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 16:05:11,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 16:05:11,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 16:05:11,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/1) ... [2021-08-22 16:05:11,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 16:05:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:05:11,543 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) [2021-08-22 16:05:11,556 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 [2021-08-22 16:05:11,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 16:05:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 16:05:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 16:05:11,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 16:05:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 16:05:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 16:05:11,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 16:05:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 16:05:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 16:05:11,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 16:05:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 16:05:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 16:05:11,573 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 16:05:11,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 16:05:11,798 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 16:05:11,800 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:05:11 BoogieIcfgContainer [2021-08-22 16:05:11,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 16:05:11,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 16:05:11,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 16:05:11,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 16:05:11,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 04:05:11" (1/2) ... [2021-08-22 16:05:11,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7442536d and model type bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:05:11, skipping insertion in model container [2021-08-22 16:05:11,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:05:11" (2/2) ... [2021-08-22 16:05:11,805 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect09.bpl [2021-08-22 16:05:11,808 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 16:05:11,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 16:05:11,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 16:05:11,808 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 16:05:11,883 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 16:05:11,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 16:05:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:05:11,926 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) [2021-08-22 16:05:11,927 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 [2021-08-22 16:05:11,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 16:05:11,960 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 16:05:11,960 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-08-22 16:05:12,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 16:05:12,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 16:05:12,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 16:05:12,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 16:05:12,126 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 16:05:12,132 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-22 16:05:12,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 16:05:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:05:12,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 16:05:12,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-22 16:05:12,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-22 16:05:12,141 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 16:05:12,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-22 16:05:12,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 16:05:12,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:05:12,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2046330021, now seen corresponding path program 1 times [2021-08-22 16:05:12,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:05:12,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363425387] [2021-08-22 16:05:12,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:05:12,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:05:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:05:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 16:05:12,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:05:12,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363425387] [2021-08-22 16:05:12,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363425387] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:05:12,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:05:12,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 16:05:12,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040609448] [2021-08-22 16:05:12,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 16:05:12,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:05:12,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 16:05:12,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 16:05:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:12,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:05:12,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-08-22 16:05:12,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:12,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 16:05:12,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 16:05:12,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:05:12,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1252046428, now seen corresponding path program 1 times [2021-08-22 16:05:12,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:05:12,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730432507] [2021-08-22 16:05:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:05:12,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:05:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:05:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-08-22 16:05:12,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:05:12,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730432507] [2021-08-22 16:05:12,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730432507] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 16:05:12,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 16:05:12,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 16:05:12,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259485324] [2021-08-22 16:05:12,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 16:05:12,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:05:12,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 16:05:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 16:05:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:12,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:05:12,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-22 16:05:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:13,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:13,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 16:05:13,076 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 16:05:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:05:13,077 INFO L82 PathProgramCache]: Analyzing trace with hash 443553300, now seen corresponding path program 1 times [2021-08-22 16:05:13,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:05:13,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484108324] [2021-08-22 16:05:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:05:13,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:05:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:05:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-22 16:05:13,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 16:05:13,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484108324] [2021-08-22 16:05:13,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484108324] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 16:05:13,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049393002] [2021-08-22 16:05:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:05:13,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 16:05:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 16:05:13,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 16:05:13,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 16:05:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 16:05:13,474 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjunts are in the unsatisfiable core [2021-08-22 16:05:13,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 16:05:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 9 proven. 77 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-22 16:05:13,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049393002] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 16:05:13,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 16:05:13,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-22 16:05:13,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887722844] [2021-08-22 16:05:13,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 16:05:13,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 16:05:13,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 16:05:13,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-22 16:05:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:13,974 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 16:05:13,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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) [2021-08-22 16:05:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:13,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 16:05:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 16:05:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 16:05:14,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 16:05:14,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 16:05:14,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 16:05:14,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 16:05:14,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1434796123, now seen corresponding path program 1 times [2021-08-22 16:05:14,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 16:05:14,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277328157] [2021-08-22 16:05:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 16:05:14,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 16:05:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 16:05:14,528 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 16:05:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 16:05:14,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 16:05:14,606 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 16:05:14,607 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 16:05:14,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 16:05:14,609 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2) [2021-08-22 16:05:14,610 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 16:05:14,611 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 16:05:14,633 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:05:14 BasicIcfg [2021-08-22 16:05:14,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 16:05:14,634 INFO L168 Benchmark]: Toolchain (without parser) took 3142.03 ms. Allocated memory was 218.1 MB in the beginning and 306.2 MB in the end (delta: 88.1 MB). Free memory was 198.6 MB in the beginning and 261.8 MB in the end (delta: -63.1 MB). Peak memory consumption was 191.7 MB. Max. memory is 8.0 GB. [2021-08-22 16:05:14,634 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 218.1 MB. Free memory is still 199.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 16:05:14,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.65 ms. Allocated memory is still 218.1 MB. Free memory was 198.5 MB in the beginning and 196.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 16:05:14,635 INFO L168 Benchmark]: Boogie Preprocessor took 9.14 ms. Allocated memory is still 218.1 MB. Free memory was 196.7 MB in the beginning and 195.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 16:05:14,635 INFO L168 Benchmark]: RCFGBuilder took 275.28 ms. Allocated memory is still 218.1 MB. Free memory was 195.7 MB in the beginning and 180.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 16:05:14,635 INFO L168 Benchmark]: TraceAbstraction took 2831.77 ms. Allocated memory was 218.1 MB in the beginning and 306.2 MB in the end (delta: 88.1 MB). Free memory was 180.5 MB in the beginning and 261.8 MB in the end (delta: -81.3 MB). Peak memory consumption was 173.9 MB. Max. memory is 8.0 GB. [2021-08-22 16:05:14,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 218.1 MB. Free memory is still 199.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.65 ms. Allocated memory is still 218.1 MB. Free memory was 198.5 MB in the beginning and 196.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.14 ms. Allocated memory is still 218.1 MB. Free memory was 196.7 MB in the beginning and 195.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 275.28 ms. Allocated memory is still 218.1 MB. Free memory was 195.7 MB in the beginning and 180.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2831.77 ms. Allocated memory was 218.1 MB in the beginning and 306.2 MB in the end (delta: 88.1 MB). Free memory was 180.5 MB in the beginning and 261.8 MB in the end (delta: -81.3 MB). Peak memory consumption was 173.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2229, positive: 2211, positive conditional: 0, positive unconditional: 2211, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2229, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2229, unknown conditional: 0, unknown unconditional: 2229] , Statistics on independence cache: Total cache size (in pairs): 2229, Positive cache size: 2220, Positive conditional cache size: 0, Positive unconditional cache size: 2220, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 107, Number of persistent set computation: 14, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2229, positive: 2220, positive conditional: 0, positive unconditional: 2220, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2229, positive: 2211, positive conditional: 0, positive unconditional: 2211, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2229, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2229, unknown conditional: 0, unknown unconditional: 2229] , Statistics on independence cache: Total cache size (in pairs): 2229, Positive cache size: 2220, Positive conditional cache size: 0, Positive unconditional cache size: 2220, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2891, positive: 2787, positive conditional: 0, positive unconditional: 2787, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2891, positive: 2717, positive conditional: 0, positive unconditional: 2717, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 174, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 263, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3287, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2891, unknown conditional: 0, unknown unconditional: 2891] , Statistics on independence cache: Total cache size (in pairs): 2891, Positive cache size: 2787, Positive conditional cache size: 0, Positive unconditional cache size: 2787, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 514, Number of persistent set computation: 1557, Number of trivial persistent sets: 268, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3287, positive: 3183, positive conditional: 0, positive unconditional: 3183, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2891, positive: 2787, positive conditional: 0, positive unconditional: 2787, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2891, positive: 2717, positive conditional: 0, positive unconditional: 2717, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 174, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 263, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3287, positive: 396, positive conditional: 0, positive unconditional: 396, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2891, unknown conditional: 0, unknown unconditional: 2891] , Statistics on independence cache: Total cache size (in pairs): 2891, Positive cache size: 2787, Positive conditional cache size: 0, Positive unconditional cache size: 2787, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 42]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 pendingIo := 1; VAL [pendingIo=1] [L15] 0 stopped := false; VAL [pendingIo=1, stopped=false] [L16] 0 stoppingEvent := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false] [L17] 0 stoppingFlag := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L19] FORK 0 fork 0 ServerThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L21] FORK 0 fork 1 DeviceThreadWithAssert(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 3 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 3 pendingIo := pendingIo - 1; [L74] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 4 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 3 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 3 pendingIo := pendingIo - 1; [L74] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 4 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 4 pendingIo := pendingIo - 1; [L74] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 5 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 5 pendingIo := pendingIo - 1; [L74] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 5 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 6 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 5 pendingIo := pendingIo - 1; [L74] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 6 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 6 pendingIo := pendingIo - 1; [L74] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L42] 2 assert !stopped; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L73] 2 pendingIo := pendingIo - 1; [L74] COND FALSE 2 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L86] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L96] 1 pendingIo := pendingIo - 1; [L97] COND TRUE 1 pendingIo == 0 [L98] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L88] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L89] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L42] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 14 procedures, 86 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 209.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.3ms, PartialOrderReductionTime: 144.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 14 procedures, 86 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2474.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 969.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.4ms SsaConstructionTime, 173.0ms SatisfiabilityAnalysisTime, 824.7ms InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 831 SizeOfPredicates, 1 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1157/1269 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! [2021-08-22 16:05:14,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-22 16:05:14,879 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 [2021-08-22 16:05:15,095 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...