/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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-25 10:35:57,738 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-25 10:35:57,807 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-25 10:35:57,808 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2021-10-25 10:35:57,810 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2021-10-25 10:35:57,812 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-25 10:35:57,813 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-25 10:35:57,817 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-25 10:35:57,818 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-25 10:35:57,819 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-25 10:35:57,823 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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf
[2021-10-25 10:35:57,841 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-25 10:35:57,841 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-25 10:35:57,842 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-25 10:35:57,842 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-25 10:35:57,843 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-25 10:35:57,843 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-25 10:35:57,843 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-25 10:35:57,844 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-25 10:35:57,844 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-25 10:35:57,844 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-25 10:35:57,844 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-25 10:35:57,845 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-25 10:35:57,845 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-25 10:35:57,846 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-25 10:35:57,846 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-25 10:35:57,846 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-25 10:35:57,846 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 10:35:57,847 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-25 10:35:57,847 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=7777
[2021-10-25 10:35:57,848 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-25 10:35:58,048 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-25 10:35:58,071 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-25 10:35:58,073 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-25 10:35:58,074 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-25 10:35:58,076 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-25 10:35:58,076 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl
[2021-10-25 10:35:58,077 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl'
[2021-10-25 10:35:58,101 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-25 10:35:58,102 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-25 10:35:58,104 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-25 10:35:58,104 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-25 10:35:58,104 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-25 10:35:58,114 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,121 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,136 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-25 10:35:58,137 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-25 10:35:58,138 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-25 10:35:58,138 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-25 10:35:58,144 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,144 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,145 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,146 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,148 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,150 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,150 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,151 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-25 10:35:58,153 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-25 10:35:58,153 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-25 10:35:58,153 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-25 10:35:58,154 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/1) ...
[2021-10-25 10:35:58,160 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 10:35:58,165 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:35:58,174 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)
[2021-10-25 10:35:58,179 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
[2021-10-25 10:35:58,199 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-25 10:35:58,200 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-25 10:35:58,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-25 10:35:58,200 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-25 10:35:58,200 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-25 10:35:58,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-25 10:35:58,200 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-25 10:35:58,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-25 10:35:58,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-25 10:35:58,200 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-25 10:35:58,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-25 10:35:58,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-25 10:35:58,202 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-25 10:35:58,461 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-25 10:35:58,461 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-25 10:35:58,463 INFO  L202        PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:35:58 BoogieIcfgContainer
[2021-10-25 10:35:58,463 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-25 10:35:58,465 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-25 10:35:58,465 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-25 10:35:58,473 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-25 10:35:58,473 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 10:35:58" (1/2) ...
[2021-10-25 10:35:58,474 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c90094 and model type bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:35:58, skipping insertion in model container
[2021-10-25 10:35:58,474 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:35:58" (2/2) ...
[2021-10-25 10:35:58,475 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect05.bpl
[2021-10-25 10:35:58,479 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-25 10:35:58,479 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-25 10:35:58,479 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-25 10:35:58,479 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-25 10:35:58,533 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-25 10:35:58,590 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 10:35:58,591 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:35:58,592 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)
[2021-10-25 10:35:58,593 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
[2021-10-25 10:35:58,617 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-25 10:35:58,623 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
[2021-10-25 10:35:58,623 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-10-25 10:36:00,161 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-25 10:36:00,162 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-25 10:36:00,162 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-25 10:36:00,162 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-25 10:36:00,162 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-25 10:36:00,163 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-25 10:36:00,169 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-25 10:36:00,177 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 10:36:00,177 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:36:00,178 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)
[2021-10-25 10:36:00,179 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
[2021-10-25 10:36:00,180 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-25 10:36:00,181 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
[2021-10-25 10:36:00,181 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-25 10:36:00,258 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:00,261 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:00,261 INFO  L82        PathProgramCache]: Analyzing trace with hash -1431069003, now seen corresponding path program 1 times
[2021-10-25 10:36:00,266 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:00,267 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413869916]
[2021-10-25 10:36:00,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:00,267 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:00,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:00,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 10:36:00,418 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 10:36:00,418 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413869916]
[2021-10-25 10:36:00,418 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413869916] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 10:36:00,418 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 10:36:00,419 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-25 10:36:00,420 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480939648]
[2021-10-25 10:36:00,424 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 10:36:00,424 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 10:36:00,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 10:36:00,433 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 10:36:00,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:00,434 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 10:36:00,435 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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)
[2021-10-25 10:36:00,435 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:00,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:00,546 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-25 10:36:00,547 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:00,550 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:00,550 INFO  L82        PathProgramCache]: Analyzing trace with hash -1818243159, now seen corresponding path program 1 times
[2021-10-25 10:36:00,550 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:00,550 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95402743]
[2021-10-25 10:36:00,551 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:00,551 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:00,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:00,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 10:36:00,650 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 10:36:00,650 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95402743]
[2021-10-25 10:36:00,650 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95402743] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:00,650 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610710384]
[2021-10-25 10:36:00,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:00,651 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:00,651 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:36:00,703 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)
[2021-10-25 10:36:00,705 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-25 10:36:00,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:00,738 INFO  L263         TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-10-25 10:36:00,742 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 10:36:00,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 10:36:00,984 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610710384] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:00,984 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 10:36:00,984 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-25 10:36:00,985 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604719444]
[2021-10-25 10:36:00,985 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 10:36:00,986 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 10:36:00,986 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 10:36:00,986 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2021-10-25 10:36:00,986 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:00,986 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 10:36:00,986 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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)
[2021-10-25 10:36:00,987 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:00,987 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:01,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:01,291 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:01,312 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-25 10:36:01,509 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:01,509 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:01,509 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:01,509 INFO  L82        PathProgramCache]: Analyzing trace with hash 1345117820, now seen corresponding path program 1 times
[2021-10-25 10:36:01,510 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:01,510 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775013443]
[2021-10-25 10:36:01,510 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:01,510 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:01,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:01,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 240 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2021-10-25 10:36:01,543 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 10:36:01,543 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775013443]
[2021-10-25 10:36:01,543 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775013443] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 10:36:01,543 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 10:36:01,544 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 10:36:01,544 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580556931]
[2021-10-25 10:36:01,548 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 10:36:01,548 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 10:36:01,549 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 10:36:01,549 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 10:36:01,549 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:01,549 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 10:36:01,549 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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)
[2021-10-25 10:36:01,549 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:01,549 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:01,550 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:01,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:01,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:01,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:01,596 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-25 10:36:01,597 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:01,597 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:01,597 INFO  L82        PathProgramCache]: Analyzing trace with hash 624979215, now seen corresponding path program 1 times
[2021-10-25 10:36:01,597 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:01,597 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439425429]
[2021-10-25 10:36:01,597 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:01,598 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:01,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:01,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 73 backedges. 20 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-10-25 10:36:01,869 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 10:36:01,869 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439425429]
[2021-10-25 10:36:01,870 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439425429] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:01,870 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040152787]
[2021-10-25 10:36:01,870 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:01,870 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:01,870 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:36:01,871 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 10:36:01,921 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-25 10:36:01,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:01,984 WARN  L261         TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 74 conjunts are in the unsatisfiable core
[2021-10-25 10:36:01,986 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 10:36:02,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-10-25 10:36:02,497 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040152787] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:02,497 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 10:36:02,497 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2021-10-25 10:36:02,498 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562581335]
[2021-10-25 10:36:02,499 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2021-10-25 10:36:02,499 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 10:36:02,500 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-10-25 10:36:02,501 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210
[2021-10-25 10:36:02,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:02,501 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 10:36:02,502 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 5.733333333333333) internal successors, (86), 14 states have internal predecessors, (86), 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)
[2021-10-25 10:36:02,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:02,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:02,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:02,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:02,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:02,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:02,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:02,944 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-25 10:36:02,961 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-25 10:36:03,159 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:03,160 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:03,160 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:03,161 INFO  L82        PathProgramCache]: Analyzing trace with hash 2046224180, now seen corresponding path program 1 times
[2021-10-25 10:36:03,161 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:03,161 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409278940]
[2021-10-25 10:36:03,161 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:03,161 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:03,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:03,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 342 backedges. 122 proven. 81 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2021-10-25 10:36:03,565 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 10:36:03,566 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409278940]
[2021-10-25 10:36:03,566 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409278940] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:03,566 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966622431]
[2021-10-25 10:36:03,566 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:03,566 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:03,566 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 10:36:03,567 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 10:36:03,574 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-25 10:36:03,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 10:36:03,727 WARN  L261         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 159 conjunts are in the unsatisfiable core
[2021-10-25 10:36:03,731 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 10:36:04,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 342 backedges. 1 proven. 202 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked.
[2021-10-25 10:36:04,526 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [966622431] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 10:36:04,527 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 10:36:04,528 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2021-10-25 10:36:04,528 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991994691]
[2021-10-25 10:36:04,529 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-10-25 10:36:04,529 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 10:36:04,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-10-25 10:36:04,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2021-10-25 10:36:04,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:04,530 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 10:36:04,530 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 6.294117647058823) internal successors, (107), 16 states have internal predecessors, (107), 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)
[2021-10-25 10:36:04,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:04,530 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:04,531 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:04,531 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-25 10:36:04,531 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 10:36:05,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:05,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 10:36:05,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 10:36:05,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-25 10:36:05,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 10:36:05,658 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-25 10:36:05,838 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 10:36:05,838 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 10:36:05,838 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 10:36:05,839 INFO  L82        PathProgramCache]: Analyzing trace with hash -172989364, now seen corresponding path program 1 times
[2021-10-25 10:36:05,839 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 10:36:05,839 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015448133]
[2021-10-25 10:36:05,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 10:36:05,839 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 10:36:05,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-25 10:36:05,848 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-25 10:36:05,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-25 10:36:05,876 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-25 10:36:05,876 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-25 10:36:05,877 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT
[2021-10-25 10:36:05,877 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-25 10:36:05,882 INFO  L308   ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2)
[2021-10-25 10:36:05,884 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-25 10:36:05,884 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-25 10:36:05,913 INFO  L202        PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:36:05 BasicIcfg
[2021-10-25 10:36:05,913 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-25 10:36:05,914 INFO  L168              Benchmark]: Toolchain (without parser) took 7810.89 ms. Allocated memory was 184.5 MB in the beginning and 550.5 MB in the end (delta: 366.0 MB). Free memory was 142.5 MB in the beginning and 223.0 MB in the end (delta: -80.6 MB). Peak memory consumption was 286.4 MB. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,914 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory was 143.6 MB in the beginning and 143.5 MB in the end (delta: 64.2 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,915 INFO  L168              Benchmark]: Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 184.5 MB. Free memory was 142.4 MB in the beginning and 140.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,915 INFO  L168              Benchmark]: Boogie Preprocessor took 13.84 ms. Allocated memory is still 184.5 MB. Free memory was 140.5 MB in the beginning and 139.6 MB in the end (delta: 939.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,915 INFO  L168              Benchmark]: RCFGBuilder took 310.28 ms. Allocated memory is still 184.5 MB. Free memory was 139.5 MB in the beginning and 125.1 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,915 INFO  L168              Benchmark]: TraceAbstraction took 7448.45 ms. Allocated memory was 184.5 MB in the beginning and 550.5 MB in the end (delta: 366.0 MB). Free memory was 124.6 MB in the beginning and 223.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 268.5 MB. Max. memory is 8.0 GB.
[2021-10-25 10:36:05,916 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 0.12 ms. Allocated memory is still 184.5 MB. Free memory was 143.6 MB in the beginning and 143.5 MB in the end (delta: 64.2 kB). There was no memory consumed. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 184.5 MB. Free memory was 142.4 MB in the beginning and 140.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 13.84 ms. Allocated memory is still 184.5 MB. Free memory was 140.5 MB in the beginning and 139.6 MB in the end (delta: 939.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 310.28 ms. Allocated memory is still 184.5 MB. Free memory was 139.5 MB in the beginning and 125.1 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 7448.45 ms. Allocated memory was 184.5 MB in the beginning and 550.5 MB in the end (delta: 366.0 MB). Free memory was 124.6 MB in the beginning and 223.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 268.5 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: 302110, positive: 265542, positive conditional: 264229, positive unconditional: 1313, negative: 36568, negative conditional: 36515, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 281982, positive: 265542, positive conditional: 0, positive unconditional: 265542, negative: 16440, negative conditional: 0, negative unconditional: 16440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1144, positive conditional: 0, positive unconditional: 1144, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1097, positive conditional: 0, positive unconditional: 1097, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 281982, positive: 264398, positive conditional: 0, positive unconditional: 264398, negative: 16387, negative conditional: 0, negative unconditional: 16387, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1197, Positive cache size: 1144, Positive conditional cache size: 0, Positive unconditional cache size: 1144, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Independence queries for same thread: 20128
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 586, Number of persistent set computation: 2893, Number of trivial persistent sets: 2350, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 302110, positive: 265542, positive conditional: 264229, positive unconditional: 1313, negative: 36568, negative conditional: 36515, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 281982, positive: 265542, positive conditional: 0, positive unconditional: 265542, negative: 16440, negative conditional: 0, negative unconditional: 16440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1144, positive conditional: 0, positive unconditional: 1144, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1097, positive conditional: 0, positive unconditional: 1097, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 281982, positive: 264398, positive conditional: 0, positive unconditional: 264398, negative: 16387, negative conditional: 0, negative unconditional: 16387, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1197, Positive cache size: 1144, Positive conditional cache size: 0, Positive unconditional cache size: 1144, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Independence queries for same thread: 20128
  - 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: 538712, positive: 490964, positive conditional: 489627, positive unconditional: 1337, negative: 47748, negative conditional: 47686, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 515292, positive: 490964, positive conditional: 0, positive unconditional: 490964, negative: 24328, negative conditional: 0, negative unconditional: 24328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, positive: 1197, positive conditional: 0, positive unconditional: 1197, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, positive: 1140, positive conditional: 0, positive unconditional: 1140, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 119, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 515292, positive: 489767, positive conditional: 0, positive unconditional: 489767, negative: 24266, negative conditional: 0, negative unconditional: 24266, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1197, Positive conditional cache size: 0, Positive unconditional cache size: 1197, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 23420
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 309, Number of persistent set computation: 1793, Number of trivial persistent sets: 1788, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 538712, positive: 490964, positive conditional: 489627, positive unconditional: 1337, negative: 47748, negative conditional: 47686, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 515292, positive: 490964, positive conditional: 0, positive unconditional: 490964, negative: 24328, negative conditional: 0, negative unconditional: 24328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, positive: 1197, positive conditional: 0, positive unconditional: 1197, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, positive: 1140, positive conditional: 0, positive unconditional: 1140, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 119, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 515292, positive: 489767, positive conditional: 0, positive unconditional: 489767, negative: 24266, negative conditional: 0, negative unconditional: 24266, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1197, Positive conditional cache size: 0, Positive unconditional cache size: 1197, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 23420
  - 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: 38]: 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]
[L60]              2  assume !stoppingFlag;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L22]  FORK        0  fork 2 DeviceThread();
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              3  assume !stoppingFlag;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              3  pendingIo := pendingIo + 1;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L23]  FORK        0  fork 3 DeviceThread();
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              4  assume !stoppingFlag;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              4  pendingIo := pendingIo + 1;
       VAL            [pendingIo=4, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              3  pendingIo := pendingIo - 1;
[L70]  COND FALSE  3  !(pendingIo == 0)
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              3  assume !stoppingFlag;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L38]              2  assert !stopped;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              2  pendingIo := pendingIo - 1;
[L70]  COND FALSE  2  !(pendingIo == 0)
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              2  assume !stoppingFlag;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              4  pendingIo := pendingIo - 1;
[L70]  COND FALSE  4  !(pendingIo == 0)
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              4  assume !stoppingFlag;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              3  pendingIo := pendingIo + 1;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              3  pendingIo := pendingIo - 1;
[L70]  COND FALSE  3  !(pendingIo == 0)
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              4  pendingIo := pendingIo + 1;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              4  pendingIo := pendingIo - 1;
[L70]  COND FALSE  4  !(pendingIo == 0)
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              4  assume !stoppingFlag;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L38]              2  assert !stopped;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              2  pendingIo := pendingIo - 1;
[L70]  COND FALSE  2  !(pendingIo == 0)
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              2  assume !stoppingFlag;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L61]              4  pendingIo := pendingIo + 1;
       VAL            [pendingIo=3, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              4  pendingIo := pendingIo - 1;
[L70]  COND FALSE  4  !(pendingIo == 0)
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L38]              2  assert !stopped;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L69]              2  pendingIo := pendingIo - 1;
[L70]  COND FALSE  2  !(pendingIo == 0)
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L60]              2  assume !stoppingFlag;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L82]              1  stoppingFlag := true;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true]
[L92]              1  pendingIo := pendingIo - 1;
[L93]  COND TRUE   1  pendingIo == 0
[L94]              1  stoppingEvent := true;
       VAL            [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L61]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L84]              1  assume stoppingEvent;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L85]              1  stopped := true;
       VAL            [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true]
[L38]              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 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1581.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 1521.5ms, 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 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5703.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 2076.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, 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: 36.9ms SsaConstructionTime, 159.3ms SatisfiabilityAnalysisTime, 2362.0ms InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 503 ConstructedInterpolants, 0 QuantifiedInterpolants, 2354 SizeOfPredicates, 3 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 710/1082 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!
[2021-10-25 10:36:05,951 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0
[2021-10-25 10:36:06,160 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-10-25 10:36:06,357 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...