/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-22 20:05:57,978 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-22 20:05:58,041 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2021-10-22 20:05:58,044 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-22 20:05:58,045 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-22 20:05:58,045 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-22 20:05:58,047 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-22 20:05:58,051 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-22 20:05:58,052 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-22 20:05:58,052 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-22 20:05:58,054 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-Random521.epf
[2021-10-22 20:05:58,076 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-22 20:05:58,076 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-22 20:05:58,076 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-22 20:05:58,077 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-22 20:05:58,077 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-22 20:05:58,077 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-22 20:05:58,078 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-22 20:05:58,078 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-22 20:05:58,079 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-22 20:05:58,079 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-22 20:05:58,080 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-22 20:05:58,080 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-22 20:05:58,080 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 20:05:58,080 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-22 20:05:58,080 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-22 20:05:58,080 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-22 20:05:58,083 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-22 20:05:58,083 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-22 20:05:58,083 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-22 20:05:58,083 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-22 20:05:58,083 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-22 20:05:58,084 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-22 20:05:58,084 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-22 20:05:58,084 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-22 20:05:58,084 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-22 20:05:58,084 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=521
[2021-10-22 20:05:58,084 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-22 20:05:58,244 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-22 20:05:58,257 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-22 20:05:58,259 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-22 20:05:58,259 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-22 20:05:58,260 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-22 20:05:58,261 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl
[2021-10-22 20:05:58,261 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl'
[2021-10-22 20:05:58,275 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-22 20:05:58,276 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-22 20:05:58,277 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-22 20:05:58,277 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-22 20:05:58,277 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-22 20:05:58,286 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,295 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,307 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-22 20:05:58,308 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-22 20:05:58,308 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-22 20:05:58,308 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-22 20:05:58,313 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,313 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,315 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,316 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,317 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,319 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,320 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,321 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-22 20:05:58,323 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-22 20:05:58,323 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-22 20:05:58,323 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-22 20:05:58,323 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/1) ...
[2021-10-22 20:05:58,328 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 20:05:58,341 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 20:05:58,356 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)
[2021-10-22 20:05:58,360 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
[2021-10-22 20:05:58,385 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-22 20:05:58,386 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-22 20:05:58,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-22 20:05:58,386 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-22 20:05:58,386 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-22 20:05:58,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-22 20:05:58,387 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-22 20:05:58,387 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-22 20:05:58,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-22 20:05:58,387 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-22 20:05:58,387 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-22 20:05:58,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-22 20:05:58,389 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-22 20:05:58,573 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-22 20:05:58,573 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-22 20:05:58,575 INFO  L202        PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:05:58 BoogieIcfgContainer
[2021-10-22 20:05:58,575 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-22 20:05:58,576 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-22 20:05:58,576 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-22 20:05:58,588 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-22 20:05:58,589 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 08:05:58" (1/2) ...
[2021-10-22 20:05:58,589 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504824b4 and model type bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:05:58, skipping insertion in model container
[2021-10-22 20:05:58,590 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:05:58" (2/2) ...
[2021-10-22 20:05:58,591 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect07.bpl
[2021-10-22 20:05:58,594 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-22 20:05:58,594 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-22 20:05:58,594 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-22 20:05:58,594 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-22 20:05:58,657 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-22 20:05:58,688 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 20:05:58,689 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 20:05:58,690 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)
[2021-10-22 20:05:58,699 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
[2021-10-22 20:05:58,732 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-22 20:05:58,736 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
[2021-10-22 20:05:58,737 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2021-10-22 20:06:09,599 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-22 20:06:09,599 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-22 20:06:09,599 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-22 20:06:09,600 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-22 20:06:09,600 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-22 20:06:09,600 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-22 20:06:09,600 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-22 20:06:09,600 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-22 20:06:09,606 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-22 20:06:09,609 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 20:06:09,609 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 20:06:09,610 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)
[2021-10-22 20:06:09,611 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
[2021-10-22 20:06:09,616 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-22 20:06:09,617 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
[2021-10-22 20:06:09,617 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-22 20:06:09,675 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 20:06:09,679 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 20:06:09,680 INFO  L82        PathProgramCache]: Analyzing trace with hash 2145695867, now seen corresponding path program 1 times
[2021-10-22 20:06:09,686 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 20:06:09,686 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211328074]
[2021-10-22 20:06:09,686 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 20:06:09,686 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 20:06:09,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 20:06:09,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 20:06:09,926 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 20:06:09,927 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211328074]
[2021-10-22 20:06:09,927 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211328074] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 20:06:09,927 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 20:06:09,927 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-22 20:06:09,928 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746964592]
[2021-10-22 20:06:09,941 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-22 20:06:09,941 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 20:06:09,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-22 20:06:09,976 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-22 20:06:09,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:09,977 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 20:06:09,978 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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)
[2021-10-22 20:06:09,978 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:10,167 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,167 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-22 20:06:10,168 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 20:06:10,168 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 20:06:10,168 INFO  L82        PathProgramCache]: Analyzing trace with hash -580358119, now seen corresponding path program 2 times
[2021-10-22 20:06:10,168 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 20:06:10,168 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059931173]
[2021-10-22 20:06:10,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 20:06:10,169 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 20:06:10,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 20:06:10,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 20:06:10,231 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 20:06:10,232 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059931173]
[2021-10-22 20:06:10,232 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059931173] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 20:06:10,232 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 20:06:10,232 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-22 20:06:10,232 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974937716]
[2021-10-22 20:06:10,234 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-22 20:06:10,234 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 20:06:10,235 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-22 20:06:10,235 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2021-10-22 20:06:10,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:10,235 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 20:06:10,235 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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)
[2021-10-22 20:06:10,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:10,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 20:06:10,253 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-22 20:06:10,253 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 20:06:10,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 20:06:10,254 INFO  L82        PathProgramCache]: Analyzing trace with hash -1256028211, now seen corresponding path program 1 times
[2021-10-22 20:06:10,254 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 20:06:10,254 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617049068]
[2021-10-22 20:06:10,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 20:06:10,255 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 20:06:10,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 20:06:10,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 20:06:10,284 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 20:06:10,284 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617049068]
[2021-10-22 20:06:10,284 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617049068] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 20:06:10,284 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 20:06:10,284 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-22 20:06:10,284 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634595872]
[2021-10-22 20:06:10,284 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-22 20:06:10,285 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 20:06:10,285 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-22 20:06:10,285 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-22 20:06:10,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:10,285 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 20:06:10,285 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2021-10-22 20:06:10,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,285 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 20:06:10,286 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 20:06:10,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 20:06:10,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 20:06:10,306 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-22 20:06:10,306 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 20:06:10,308 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 20:06:10,308 INFO  L82        PathProgramCache]: Analyzing trace with hash 594702108, now seen corresponding path program 1 times
[2021-10-22 20:06:10,309 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 20:06:10,309 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422320143]
[2021-10-22 20:06:10,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 20:06:10,309 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 20:06:10,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-22 20:06:10,324 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-22 20:06:10,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-22 20:06:10,347 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-22 20:06:10,347 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-22 20:06:10,347 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT
[2021-10-22 20:06:10,348 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-22 20:06:10,349 INFO  L308   ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was UNSAFE (2/2)
[2021-10-22 20:06:10,350 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-22 20:06:10,350 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-22 20:06:10,361 INFO  L202        PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:06:10 BasicIcfg
[2021-10-22 20:06:10,361 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-22 20:06:10,362 INFO  L168              Benchmark]: Toolchain (without parser) took 12085.11 ms. Allocated memory was 224.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 180.5 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 300.6 MB. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,362 INFO  L168              Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 224.4 MB. Free memory is still 181.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,363 INFO  L168              Benchmark]: Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 224.4 MB. Free memory was 180.4 MB in the beginning and 178.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,363 INFO  L168              Benchmark]: Boogie Preprocessor took 12.89 ms. Allocated memory is still 224.4 MB. Free memory was 178.5 MB in the beginning and 177.6 MB in the end (delta: 940.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,363 INFO  L168              Benchmark]: RCFGBuilder took 252.53 ms. Allocated memory is still 224.4 MB. Free memory was 177.6 MB in the beginning and 163.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,364 INFO  L168              Benchmark]: TraceAbstraction took 11784.69 ms. Allocated memory was 224.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 162.7 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 281.7 MB. Max. memory is 8.0 GB.
[2021-10-22 20:06:10,365 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 0.11 ms. Allocated memory is still 224.4 MB. Free memory is still 181.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 224.4 MB. Free memory was 180.4 MB in the beginning and 178.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 12.89 ms. Allocated memory is still 224.4 MB. Free memory was 178.5 MB in the beginning and 177.6 MB in the end (delta: 940.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 252.53 ms. Allocated memory is still 224.4 MB. Free memory was 177.6 MB in the beginning and 163.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 11784.69 ms. Allocated memory was 224.4 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 162.7 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 281.7 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: 5129162, positive: 4590810, positive conditional: 4588381, positive unconditional: 2429, negative: 538352, negative conditional: 538251, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4943114, positive: 4590810, positive conditional: 0, positive unconditional: 4590810, negative: 352304, negative conditional: 0, negative unconditional: 352304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2161, positive: 2060, positive conditional: 0, positive unconditional: 2060, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2161, positive: 1967, positive conditional: 0, positive unconditional: 1967, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 194, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 4943114, positive: 4588750, positive conditional: 0, positive unconditional: 4588750, negative: 352203, negative conditional: 0, negative unconditional: 352203, unknown: 2161, unknown conditional: 0, unknown unconditional: 2161] , Statistics on independence cache: Total cache size (in pairs): 2161, Positive cache size: 2060, Positive conditional cache size: 0, Positive unconditional cache size: 2060, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Independence queries for same thread: 186048
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 2515, Number of persistent set computation: 31445, Number of trivial persistent sets: 24913, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5129162, positive: 4590810, positive conditional: 4588381, positive unconditional: 2429, negative: 538352, negative conditional: 538251, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4943114, positive: 4590810, positive conditional: 0, positive unconditional: 4590810, negative: 352304, negative conditional: 0, negative unconditional: 352304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2161, positive: 2060, positive conditional: 0, positive unconditional: 2060, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2161, positive: 1967, positive conditional: 0, positive unconditional: 1967, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 194, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 4943114, positive: 4588750, positive conditional: 0, positive unconditional: 4588750, negative: 352203, negative conditional: 0, negative unconditional: 352203, unknown: 2161, unknown conditional: 0, unknown unconditional: 2161] , Statistics on independence cache: Total cache size (in pairs): 2161, Positive cache size: 2060, Positive conditional cache size: 0, Positive unconditional cache size: 2060, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Independence queries for same thread: 186048
  - 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: 12222, positive: 11457, positive conditional: 9926, positive unconditional: 1531, negative: 765, negative conditional: 741, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11646, positive: 11457, positive conditional: 0, positive unconditional: 11457, negative: 189, negative conditional: 0, negative unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1594, positive: 1570, positive conditional: 0, positive unconditional: 1570, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1594, positive: 1558, positive conditional: 0, positive unconditional: 1558, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 11646, positive: 9887, positive conditional: 0, positive unconditional: 9887, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 1594, unknown conditional: 0, unknown unconditional: 1594] , Statistics on independence cache: Total cache size (in pairs): 1594, Positive cache size: 1570, Positive conditional cache size: 0, Positive unconditional cache size: 1570, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 576
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 103, Number of persistent set computation: 297, Number of trivial persistent sets: 96, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12222, positive: 11457, positive conditional: 9926, positive unconditional: 1531, negative: 765, negative conditional: 741, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11646, positive: 11457, positive conditional: 0, positive unconditional: 11457, negative: 189, negative conditional: 0, negative unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1594, positive: 1570, positive conditional: 0, positive unconditional: 1570, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1594, positive: 1558, positive conditional: 0, positive unconditional: 1558, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 11646, positive: 9887, positive conditional: 0, positive unconditional: 9887, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 1594, unknown conditional: 0, unknown unconditional: 1594] , Statistics on independence cache: Total cache size (in pairs): 1594, Positive cache size: 1570, Positive conditional cache size: 0, Positive unconditional cache size: 1570, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 576
  - 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: 40]: 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]
[L22]  FORK        0  fork 2 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L23]  FORK        0  fork 3 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L24]  FORK        0  fork 4 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L25]  FORK        0  fork 5 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L26]  FORK        0  fork 6 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L27]  FORK        0  fork 7 DeviceThread();
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L62]              2  assume !stoppingFlag;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L63]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L40]              2  assert !stopped;
       VAL            [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L71]              2  pendingIo := pendingIo - 1;
[L72]  COND FALSE  2  !(pendingIo == 0)
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L62]              2  assume !stoppingFlag;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false]
[L84]              1  stoppingFlag := true;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true]
[L94]              1  pendingIo := pendingIo - 1;
[L95]  COND TRUE   1  pendingIo == 0
[L96]              1  stoppingEvent := true;
       VAL            [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L63]              2  pendingIo := pendingIo + 1;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L86]              1  assume stoppingEvent;
       VAL            [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true]
[L87]              1  stopped := true;
       VAL            [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true]
[L40]              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 12 procedures, 74 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 10919.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 10847.9ms, 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 12 procedures, 74 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 740.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 282.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 7.4ms SsaConstructionTime, 45.0ms SatisfiabilityAnalysisTime, 247.8ms InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-22 20:06:10,398 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
[2021-10-22 20:06:10,607 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
[2021-10-22 20:06:10,805 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...