/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-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl


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


This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747
[2021-08-23 02:42:10,952 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-08-23 02:42:10,984 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-08-23 02:42:10,986 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-08-23 02:42:10,988 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-08-23 02:42:11,002 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-08-23 02:42:11,004 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-08-23 02:42:11,005 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-08-23 02:42:11,006 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-08-23 02:42:11,008 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-08-23 02:42:11,014 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-08-23 02:42:11,016 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-08-23 02:42:11,017 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-08-23 02:42:11,018 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-08-23 02:42:11,019 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-08-23 02:42:11,024 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-08-23 02:42:11,024 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-08-23 02:42:11,027 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-08-23 02:42:11,029 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-08-23 02:42:11,030 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-08-23 02:42:11,031 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-08-23 02:42:11,031 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-08-23 02:42:11,032 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-08-23 02:42:11,036 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-NoLbe-Lockstep.epf
[2021-08-23 02:42:11,062 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-08-23 02:42:11,062 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-08-23 02:42:11,062 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-08-23 02:42:11,062 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-08-23 02:42:11,064 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-08-23 02:42:11,064 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-08-23 02:42:11,064 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-08-23 02:42:11,064 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-08-23 02:42:11,065 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-08-23 02:42:11,066 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-23 02:42:11,066 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-08-23 02:42:11,066 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-08-23 02:42:11,067 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-08-23 02:42:11,328 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-08-23 02:42:11,349 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-08-23 02:42:11,351 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-08-23 02:42:11,351 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-08-23 02:42:11,352 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-08-23 02:42:11,353 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl
[2021-08-23 02:42:11,353 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl'
[2021-08-23 02:42:11,372 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-08-23 02:42:11,373 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-08-23 02:42:11,374 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-08-23 02:42:11,374 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-08-23 02:42:11,374 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-08-23 02:42:11,383 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,388 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,400 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-08-23 02:42:11,401 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-08-23 02:42:11,401 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-08-23 02:42:11,401 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-08-23 02:42:11,408 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,408 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,409 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,409 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,411 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,414 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,415 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,415 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-08-23 02:42:11,417 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-08-23 02:42:11,417 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-08-23 02:42:11,417 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-08-23 02:42:11,417 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/1) ...
[2021-08-23 02:42:11,422 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-23 02:42:11,429 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:42:11,448 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-08-23 02:42:11,467 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-08-23 02:42:11,487 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-08-23 02:42:11,487 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-08-23 02:42:11,487 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-08-23 02:42:11,488 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-08-23 02:42:11,488 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-08-23 02:42:11,489 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-08-23 02:42:11,489 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-08-23 02:42:11,489 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-08-23 02:42:11,489 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-08-23 02:42:11,490 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-08-23 02:42:11,490 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-08-23 02:42:11,490 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-08-23 02:42:11,491 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-08-23 02:42:11,653 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-08-23 02:42:11,653 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-08-23 02:42:11,654 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-08-23 02:42:11,654 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-08-23 02:42:11,655 INFO  L202        PluginConnector]: Adding new model bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:42:11 BoogieIcfgContainer
[2021-08-23 02:42:11,655 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-08-23 02:42:11,657 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-08-23 02:42:11,657 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-08-23 02:42:11,658 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-08-23 02:42:11,659 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:42:11" (1/2) ...
[2021-08-23 02:42:11,659 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec78f78 and model type bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:42:11, skipping insertion in model container
[2021-08-23 02:42:11,659 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:42:11" (2/2) ...
[2021-08-23 02:42:11,660 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized08.bpl
[2021-08-23 02:42:11,663 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-08-23 02:42:11,663 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-08-23 02:42:11,663 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-08-23 02:42:11,663 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-08-23 02:42:11,733 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-08-23 02:42:11,761 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-08-23 02:42:11,762 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:42:11,763 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-08-23 02:42:11,764 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-08-23 02:42:11,800 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-08-23 02:42:11,804 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-08-23 02:42:11,804 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2021-08-23 02:43:02,825 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-08-23 02:43:02,825 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-08-23 02:43:02,825 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-08-23 02:43:02,825 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-08-23 02:43:02,825 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-08-23 02:43:02,826 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-08-23 02:43:02,826 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-08-23 02:43:02,826 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-08-23 02:43:02,826 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-08-23 02:43:02,832 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-08-23 02:43:02,835 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-08-23 02:43:02,835 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:02,836 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-08-23 02:43:02,838 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-08-23 02:43:02,841 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-08-23 02:43:02,842 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-08-23 02:43:02,842 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-08-23 02:43:02,966 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:02,969 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:02,969 INFO  L82        PathProgramCache]: Analyzing trace with hash -876729463, now seen corresponding path program 1 times
[2021-08-23 02:43:02,975 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:02,975 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946320438]
[2021-08-23 02:43:02,975 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:02,975 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:03,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:03,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-23 02:43:03,053 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:03,053 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946320438]
[2021-08-23 02:43:03,054 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946320438] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-23 02:43:03,054 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-23 02:43:03,054 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-23 02:43:03,055 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835347766]
[2021-08-23 02:43:03,059 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-23 02:43:03,059 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:03,330 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-23 02:43:03,331 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-23 02:43:03,332 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:03,333 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:03,333 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:03,333 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:03,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:03,546 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-08-23 02:43:03,546 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:03,548 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:03,548 INFO  L82        PathProgramCache]: Analyzing trace with hash 1006658731, now seen corresponding path program 2 times
[2021-08-23 02:43:03,548 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:03,549 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561630542]
[2021-08-23 02:43:03,549 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:03,549 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:03,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:03,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-23 02:43:03,611 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:03,611 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561630542]
[2021-08-23 02:43:03,612 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561630542] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-23 02:43:03,612 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-23 02:43:03,612 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-08-23 02:43:03,612 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553807516]
[2021-08-23 02:43:03,613 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-08-23 02:43:03,613 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:03,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-08-23 02:43:03,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-23 02:43:03,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:03,625 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:03,625 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:03,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:03,625 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:04,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:04,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:04,336 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-08-23 02:43:04,336 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:04,337 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:04,337 INFO  L82        PathProgramCache]: Analyzing trace with hash -922016843, now seen corresponding path program 1 times
[2021-08-23 02:43:04,337 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:04,338 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803723282]
[2021-08-23 02:43:04,338 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:04,338 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:04,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:04,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-08-23 02:43:04,471 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:04,471 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803723282]
[2021-08-23 02:43:04,471 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803723282] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:04,471 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611771658]
[2021-08-23 02:43:04,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:04,471 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:04,471 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:04,493 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-08-23 02:43:04,549 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-08-23 02:43:04,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:04,608 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-08-23 02:43:04,612 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-23 02:43:05,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-08-23 02:43:05,022 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [611771658] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:05,022 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-23 02:43:05,022 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-08-23 02:43:05,023 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137867717]
[2021-08-23 02:43:05,023 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-08-23 02:43:05,023 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:05,023 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-08-23 02:43:05,023 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-08-23 02:43:05,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:05,024 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:05,024 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:05,024 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:05,024 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:05,024 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:05,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:05,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:05,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:05,342 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-08-23 02:43:05,535 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:05,536 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:05,536 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:05,536 INFO  L82        PathProgramCache]: Analyzing trace with hash 1828503501, now seen corresponding path program 1 times
[2021-08-23 02:43:05,536 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:05,536 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419321436]
[2021-08-23 02:43:05,536 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:05,536 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:05,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:05,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-08-23 02:43:05,637 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:05,637 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419321436]
[2021-08-23 02:43:05,637 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419321436] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:05,637 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483356407]
[2021-08-23 02:43:05,637 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:05,637 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:05,638 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:05,657 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)
[2021-08-23 02:43:05,704 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-08-23 02:43:05,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:05,771 INFO  L263         TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-08-23 02:43:05,771 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-23 02:43:05,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-08-23 02:43:05,952 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483356407] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:05,953 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-23 02:43:05,953 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-08-23 02:43:05,954 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153781463]
[2021-08-23 02:43:05,955 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-08-23 02:43:05,955 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:05,955 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-08-23 02:43:05,957 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-08-23 02:43:05,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:05,957 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:05,957 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:05,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:05,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:05,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:05,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:06,771 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:06,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:06,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:06,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:06,808 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-08-23 02:43:06,990 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
[2021-08-23 02:43:06,990 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:06,991 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:06,991 INFO  L82        PathProgramCache]: Analyzing trace with hash -558649044, now seen corresponding path program 1 times
[2021-08-23 02:43:06,991 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:06,991 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56508334]
[2021-08-23 02:43:06,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:06,991 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:07,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:07,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-08-23 02:43:07,326 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:07,326 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56508334]
[2021-08-23 02:43:07,326 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56508334] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:07,326 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547162016]
[2021-08-23 02:43:07,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:07,326 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:07,326 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:07,341 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)
[2021-08-23 02:43:07,393 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-08-23 02:43:07,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:07,461 INFO  L263         TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-08-23 02:43:07,463 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-23 02:43:07,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-08-23 02:43:07,622 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547162016] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:07,622 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-23 02:43:07,622 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12
[2021-08-23 02:43:07,622 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731488920]
[2021-08-23 02:43:07,623 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-08-23 02:43:07,623 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:07,623 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-08-23 02:43:07,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156
[2021-08-23 02:43:07,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:07,623 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:07,624 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:07,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:10,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:10,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:10,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:10,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:10,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-08-23 02:43:10,326 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-08-23 02:43:10,508 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
[2021-08-23 02:43:10,509 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:10,509 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:10,509 INFO  L82        PathProgramCache]: Analyzing trace with hash -2009569044, now seen corresponding path program 1 times
[2021-08-23 02:43:10,509 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:10,509 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875566436]
[2021-08-23 02:43:10,509 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:10,510 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:10,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:10,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-08-23 02:43:10,689 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:10,689 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875566436]
[2021-08-23 02:43:10,689 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875566436] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:10,690 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440201065]
[2021-08-23 02:43:10,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:10,690 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:10,690 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:10,691 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-08-23 02:43:10,692 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-08-23 02:43:10,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:10,780 INFO  L263         TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core
[2021-08-23 02:43:10,782 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-23 02:43:11,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-08-23 02:43:11,031 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [440201065] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:11,031 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-23 02:43:11,031 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-08-23 02:43:11,043 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957046137]
[2021-08-23 02:43:11,044 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-08-23 02:43:11,044 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:11,044 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-08-23 02:43:11,044 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-08-23 02:43:11,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:11,044 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:11,045 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-08-23 02:43:11,045 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-08-23 02:43:36,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-08-23 02:43:36,281 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2021-08-23 02:43:36,455 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:36,455 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-23 02:43:36,455 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-23 02:43:36,456 INFO  L82        PathProgramCache]: Analyzing trace with hash -900869431, now seen corresponding path program 1 times
[2021-08-23 02:43:36,456 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-23 02:43:36,456 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371210601]
[2021-08-23 02:43:36,456 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:36,456 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-23 02:43:36,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:36,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 44 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-08-23 02:43:36,584 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-23 02:43:36,584 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371210601]
[2021-08-23 02:43:36,584 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371210601] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:36,584 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060673545]
[2021-08-23 02:43:36,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-23 02:43:36,584 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-23 02:43:36,584 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-23 02:43:36,586 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-08-23 02:43:36,586 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-08-23 02:43:36,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-23 02:43:36,682 INFO  L263         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 46 conjunts are in the unsatisfiable core
[2021-08-23 02:43:36,683 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-23 02:43:36,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 44 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2021-08-23 02:43:36,905 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060673545] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-23 02:43:36,905 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-23 02:43:36,905 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-08-23 02:43:36,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207471074]
[2021-08-23 02:43:36,905 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-08-23 02:43:36,905 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-23 02:43:36,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-08-23 02:43:36,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-08-23 02:43:36,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-23 02:43:36,906 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-23 02:43:36,906 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-08-23 02:43:36,906 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.