/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl


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


This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747
[2021-08-22 21:36:14,848 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-08-22 21:36:14,881 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-08-22 21:36:14,883 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-08-22 21:36:14,885 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-08-22 21:36:14,889 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-08-22 21:36:14,896 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2021-08-22 21:36:14,899 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-08-22 21:36:14,905 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-08-22 21:36:14,905 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-08-22 21:36:14,906 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-08-22 21:36:14,908 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-08-22 21:36:14,914 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-08-22 21:36:14,914 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-08-22 21:36:14,915 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-08-22 21:36:14,916 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-08-22 21:36:14,917 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-08-22 21:36:14,922 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-08-22 21:36:14,922 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-08-22 21:36:14,923 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-08-22 21:36:14,924 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-08-22 21:36:14,924 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-08-22 21:36:14,925 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-08-22 21:36:14,926 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-08-22 21:36:14,926 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-08-22 21:36:14,927 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-08-22 21:36:14,927 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-08-22 21:36:14,928 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2021-08-22 21:36:14,928 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-08-22 21:36:14,929 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-08-22 21:36:14,932 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf
[2021-08-22 21:36:14,959 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-08-22 21:36:14,959 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-08-22 21:36:14,960 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-08-22 21:36:14,960 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-08-22 21:36:14,962 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-08-22 21:36:14,962 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-08-22 21:36:14,962 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-08-22 21:36:14,962 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-08-22 21:36:14,962 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-08-22 21:36:14,962 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-08-22 21:36:14,963 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-08-22 21:36:14,963 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-08-22 21:36:14,963 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-08-22 21:36:14,963 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-08-22 21:36:14,963 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-08-22 21:36:14,964 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-08-22 21:36:14,964 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-22 21:36:14,965 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-08-22 21:36:14,965 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-08-22 21:36:14,966 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-08-22 21:36:14,966 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-08-22 21:36:14,966 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-08-22 21:36:14,966 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES
[2021-08-22 21:36:14,966 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-08-22 21:36:15,203 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-08-22 21:36:15,222 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-08-22 21:36:15,223 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-08-22 21:36:15,224 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-08-22 21:36:15,225 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-08-22 21:36:15,228 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl
[2021-08-22 21:36:15,229 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl'
[2021-08-22 21:36:15,256 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-08-22 21:36:15,257 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-08-22 21:36:15,258 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-08-22 21:36:15,258 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-08-22 21:36:15,258 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-08-22 21:36:15,267 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,273 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,285 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-08-22 21:36:15,286 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-08-22 21:36:15,286 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-08-22 21:36:15,286 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-08-22 21:36:15,291 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,292 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,292 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,293 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,294 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,297 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,298 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,298 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-08-22 21:36:15,299 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-08-22 21:36:15,299 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-08-22 21:36:15,299 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-08-22 21:36:15,300 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/1) ...
[2021-08-22 21:36:15,306 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-22 21:36:15,310 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:15,321 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-08-22 21:36:15,333 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-08-22 21:36:15,361 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-08-22 21:36:15,362 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-08-22 21:36:15,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-08-22 21:36:15,362 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-08-22 21:36:15,362 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-08-22 21:36:15,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-08-22 21:36:15,362 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-08-22 21:36:15,362 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-08-22 21:36:15,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-08-22 21:36:15,363 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-08-22 21:36:15,363 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-08-22 21:36:15,363 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-08-22 21:36:15,363 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-08-22 21:36:15,534 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-08-22 21:36:15,534 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-08-22 21:36:15,535 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-08-22 21:36:15,535 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-08-22 21:36:15,536 INFO  L202        PluginConnector]: Adding new model bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:36:15 BoogieIcfgContainer
[2021-08-22 21:36:15,537 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-08-22 21:36:15,538 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-08-22 21:36:15,538 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-08-22 21:36:15,540 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-08-22 21:36:15,540 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:36:15" (1/2) ...
[2021-08-22 21:36:15,540 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73161475 and model type bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:36:15, skipping insertion in model container
[2021-08-22 21:36:15,540 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:36:15" (2/2) ...
[2021-08-22 21:36:15,541 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized10.bpl
[2021-08-22 21:36:15,544 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-08-22 21:36:15,544 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-08-22 21:36:15,544 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-08-22 21:36:15,545 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-08-22 21:36:15,618 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-08-22 21:36:15,660 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-08-22 21:36:15,668 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:15,679 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-08-22 21:36:15,680 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-08-22 21:36:15,706 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-08-22 21:36:15,713 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-08-22 21:36:15,713 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2021-08-22 21:36:16,170 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-08-22 21:36:16,171 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-08-22 21:36:16,172 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-08-22 21:36:16,172 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-08-22 21:36:16,172 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION
[2021-08-22 21:36:16,172 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION
[2021-08-22 21:36:16,177 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-08-22 21:36:16,180 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-08-22 21:36:16,180 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:16,181 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-08-22 21:36:16,188 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-08-22 21:36:16,188 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-08-22 21:36:16,188 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-08-22 21:36:16,192 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-08-22 21:36:16,401 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:16,404 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:16,404 INFO  L82        PathProgramCache]: Analyzing trace with hash -487906440, now seen corresponding path program 1 times
[2021-08-22 21:36:16,410 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:16,410 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634823157]
[2021-08-22 21:36:16,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:16,410 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:16,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:16,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-22 21:36:16,489 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:16,489 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634823157]
[2021-08-22 21:36:16,489 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634823157] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-22 21:36:16,489 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-22 21:36:16,489 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-08-22 21:36:16,490 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240917937]
[2021-08-22 21:36:16,494 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-08-22 21:36:16,494 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:16,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-08-22 21:36:16,502 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-22 21:36:16,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:16,503 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:16,504 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:16,504 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:16,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:16,559 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-08-22 21:36:16,559 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:16,559 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:16,559 INFO  L82        PathProgramCache]: Analyzing trace with hash 682731884, now seen corresponding path program 1 times
[2021-08-22 21:36:16,559 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:16,560 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580460074]
[2021-08-22 21:36:16,560 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:16,560 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:16,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:16,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-22 21:36:16,587 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:16,587 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580460074]
[2021-08-22 21:36:16,587 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580460074] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-22 21:36:16,587 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-22 21:36:16,587 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-22 21:36:16,587 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883293966]
[2021-08-22 21:36:16,588 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-22 21:36:16,588 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:16,589 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-22 21:36:16,589 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-22 21:36:16,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:16,589 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:16,589 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:16,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:16,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:18,005 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:18,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:18,006 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-08-22 21:36:18,006 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:18,007 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:18,007 INFO  L82        PathProgramCache]: Analyzing trace with hash -726801987, now seen corresponding path program 1 times
[2021-08-22 21:36:18,007 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:18,007 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971092209]
[2021-08-22 21:36:18,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:18,007 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:18,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:18,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-08-22 21:36:18,077 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:18,077 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971092209]
[2021-08-22 21:36:18,077 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971092209] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:18,077 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211578096]
[2021-08-22 21:36:18,077 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:18,078 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:18,078 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:18,079 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-08-22 21:36:18,080 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-08-22 21:36:18,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:18,113 INFO  L263         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-08-22 21:36:18,117 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:36:18,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-08-22 21:36:18,311 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [211578096] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:18,311 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:36:18,311 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-08-22 21:36:18,311 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557499041]
[2021-08-22 21:36:18,312 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-08-22 21:36:18,312 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:18,312 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-08-22 21:36:18,312 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-08-22 21:36:18,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:18,313 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:18,313 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:18,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:18,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:18,313 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:18,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:18,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:18,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:18,482 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-08-22 21:36:18,680 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:18,680 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:18,681 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:18,681 INFO  L82        PathProgramCache]: Analyzing trace with hash -1206761313, now seen corresponding path program 1 times
[2021-08-22 21:36:18,681 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:18,681 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732521977]
[2021-08-22 21:36:18,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:18,681 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:18,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:18,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-08-22 21:36:18,791 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:18,791 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732521977]
[2021-08-22 21:36:18,792 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732521977] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:18,792 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053558157]
[2021-08-22 21:36:18,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:18,792 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:18,792 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:18,797 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)
[2021-08-22 21:36:18,798 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-08-22 21:36:18,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:18,865 INFO  L263         TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjunts are in the unsatisfiable core
[2021-08-22 21:36:18,867 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:36:19,006 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-08-22 21:36:19,007 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053558157] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:19,007 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:36:19,007 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-08-22 21:36:19,007 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472876951]
[2021-08-22 21:36:19,007 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-08-22 21:36:19,007 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:19,008 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-08-22 21:36:19,008 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-08-22 21:36:19,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:19,008 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:19,008 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:19,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:19,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:19,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:19,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:19,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:19,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:19,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:19,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:19,414 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-08-22 21:36:19,608 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
[2021-08-22 21:36:19,609 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:19,609 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:19,609 INFO  L82        PathProgramCache]: Analyzing trace with hash -1159749616, now seen corresponding path program 1 times
[2021-08-22 21:36:19,609 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:19,609 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966518897]
[2021-08-22 21:36:19,610 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:19,610 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:19,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:19,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-08-22 21:36:19,711 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:19,711 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966518897]
[2021-08-22 21:36:19,712 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966518897] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:19,712 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418581814]
[2021-08-22 21:36:19,712 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:19,712 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:19,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:19,713 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)
[2021-08-22 21:36:19,714 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-08-22 21:36:19,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:19,793 INFO  L263         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core
[2021-08-22 21:36:19,796 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:36:19,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-08-22 21:36:19,945 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [418581814] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:19,945 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:36:19,945 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-08-22 21:36:19,945 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449309450]
[2021-08-22 21:36:19,946 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-08-22 21:36:19,946 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:19,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-08-22 21:36:19,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-08-22 21:36:19,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:19,946 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:19,946 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:19,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:19,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:19,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:19,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:19,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:21,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:21,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:21,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:21,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:21,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:36:21,650 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-08-22 21:36:21,844 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
[2021-08-22 21:36:21,845 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:21,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:21,845 INFO  L82        PathProgramCache]: Analyzing trace with hash 293562166, now seen corresponding path program 1 times
[2021-08-22 21:36:21,846 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:21,846 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596816152]
[2021-08-22 21:36:21,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:21,846 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:21,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:21,949 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-08-22 21:36:21,949 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:21,949 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596816152]
[2021-08-22 21:36:21,950 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596816152] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:21,951 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962959097]
[2021-08-22 21:36:21,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:21,951 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:21,951 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:21,951 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)
[2021-08-22 21:36:21,953 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-08-22 21:36:22,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:22,058 INFO  L263         TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 32 conjunts are in the unsatisfiable core
[2021-08-22 21:36:22,059 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:36:22,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-08-22 21:36:22,243 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [962959097] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:22,243 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:36:22,243 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-08-22 21:36:22,244 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041935081]
[2021-08-22 21:36:22,244 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-08-22 21:36:22,244 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:22,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-08-22 21:36:22,244 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-08-22 21:36:22,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:22,245 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:22,245 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)
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:36:22,245 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:44,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:44,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:44,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:44,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:44,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:36:44,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-08-22 21:36:44,706 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-08-22 21:36:44,892 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
[2021-08-22 21:36:44,893 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:36:44,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:36:44,893 INFO  L82        PathProgramCache]: Analyzing trace with hash -1149630931, now seen corresponding path program 1 times
[2021-08-22 21:36:44,893 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:36:44,894 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46894984]
[2021-08-22 21:36:44,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:44,894 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:36:44,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:45,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2021-08-22 21:36:45,088 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:36:45,088 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46894984]
[2021-08-22 21:36:45,088 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46894984] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:45,088 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587921793]
[2021-08-22 21:36:45,088 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:36:45,088 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:36:45,088 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:36:45,089 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)
[2021-08-22 21:36:45,092 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-08-22 21:36:45,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:36:45,222 INFO  L263         TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 60 conjunts are in the unsatisfiable core
[2021-08-22 21:36:45,223 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:36:45,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2021-08-22 21:36:45,526 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [587921793] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:36:45,527 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:36:45,527 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-08-22 21:36:45,527 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50264676]
[2021-08-22 21:36:45,527 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-08-22 21:36:45,527 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:36:45,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-08-22 21:36:45,528 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-08-22 21:36:45,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:36:45,528 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:36:45,528 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:36:45,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-08-22 21:36:45,529 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:38:25,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-08-22 21:38:25,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-08-22 21:38:25,217 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-08-22 21:38:25,412 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:38:25,413 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-08-22 21:38:25,413 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-08-22 21:38:25,413 INFO  L82        PathProgramCache]: Analyzing trace with hash 886584257, now seen corresponding path program 1 times
[2021-08-22 21:38:25,413 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-22 21:38:25,413 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256079991]
[2021-08-22 21:38:25,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:38:25,414 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-22 21:38:25,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:38:25,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-08-22 21:38:25,579 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-22 21:38:25,579 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256079991]
[2021-08-22 21:38:25,579 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256079991] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:38:25,579 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031798696]
[2021-08-22 21:38:25,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-22 21:38:25,579 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-08-22 21:38:25,579 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-22 21:38:25,580 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-08-22 21:38:25,580 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-08-22 21:38:25,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-22 21:38:25,722 INFO  L263         TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 52 conjunts are in the unsatisfiable core
[2021-08-22 21:38:25,724 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-08-22 21:38:25,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-08-22 21:38:25,964 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031798696] provided 0 perfect and 1 imperfect interpolant sequences
[2021-08-22 21:38:25,964 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-08-22 21:38:25,964 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-08-22 21:38:25,965 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770545584]
[2021-08-22 21:38:25,965 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-08-22 21:38:25,965 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-22 21:38:25,965 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-08-22 21:38:25,965 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-08-22 21:38:25,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-08-22 21:38:25,966 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-08-22 21:38:25,966 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-08-22 21:38:25,966 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.