/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-25 05:09:13,623 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-25 05:09:13,711 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-25 05:09:13,712 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2021-10-25 05:09:13,718 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-25 05:09:13,719 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-25 05:09:13,719 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-25 05:09:13,724 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-25 05:09:13,729 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-25 05:09:13,730 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-25 05:09:13,731 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-25 05:09:13,731 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf
[2021-10-25 05:09:13,755 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-25 05:09:13,756 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-25 05:09:13,756 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-25 05:09:13,756 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-25 05:09:13,757 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-25 05:09:13,757 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-25 05:09:13,757 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-25 05:09:13,757 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-25 05:09:13,757 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-25 05:09:13,757 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-25 05:09:13,758 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-25 05:09:13,759 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-25 05:09:13,759 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:09:13,760 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-25 05:09:13,760 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=42
[2021-10-25 05:09:13,761 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-25 05:09:13,942 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-25 05:09:13,967 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-25 05:09:13,969 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-25 05:09:13,969 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-25 05:09:13,971 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-25 05:09:13,971 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl
[2021-10-25 05:09:13,972 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl'
[2021-10-25 05:09:13,987 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-25 05:09:13,988 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-25 05:09:13,998 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-25 05:09:13,998 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-25 05:09:13,998 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-25 05:09:14,007 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,012 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,029 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-25 05:09:14,030 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-25 05:09:14,030 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-25 05:09:14,031 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-25 05:09:14,036 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,036 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,037 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,038 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,039 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,041 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,042 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,042 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-25 05:09:14,043 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-25 05:09:14,043 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-25 05:09:14,043 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-25 05:09:14,044 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/1) ...
[2021-10-25 05:09:14,048 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:09:14,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:14,066 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-25 05:09:14,078 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-25 05:09:14,097 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-25 05:09:14,097 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-25 05:09:14,098 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-25 05:09:14,098 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-25 05:09:14,098 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-25 05:09:14,098 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-25 05:09:14,098 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-25 05:09:14,098 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-25 05:09:14,099 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-25 05:09:14,099 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-25 05:09:14,099 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-25 05:09:14,099 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-25 05:09:14,115 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-25 05:09:14,292 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-25 05:09:14,292 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-25 05:09:14,293 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-25 05:09:14,293 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-25 05:09:14,294 INFO  L202        PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:09:14 BoogieIcfgContainer
[2021-10-25 05:09:14,294 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-25 05:09:14,295 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-25 05:09:14,295 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-25 05:09:14,297 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-25 05:09:14,297 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:13" (1/2) ...
[2021-10-25 05:09:14,298 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfb3e4b and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:09:14, skipping insertion in model container
[2021-10-25 05:09:14,298 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:09:14" (2/2) ...
[2021-10-25 05:09:14,299 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl
[2021-10-25 05:09:14,302 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-25 05:09:14,302 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-25 05:09:14,302 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-25 05:09:14,302 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-25 05:09:14,346 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-25 05:09:14,404 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:09:14,405 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:14,419 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:09:14,441 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-25 05:09:14,444 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-25 05:09:14,450 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:09:14,450 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2021-10-25 05:09:15,967 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-25 05:09:15,968 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-25 05:09:15,975 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-25 05:09:15,981 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:09:15,981 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:16,000 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:09:16,001 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-10-25 05:09:16,003 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-25 05:09:16,004 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:09:16,004 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-25 05:09:16,100 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:16,103 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:16,104 INFO  L82        PathProgramCache]: Analyzing trace with hash 1950156025, now seen corresponding path program 1 times
[2021-10-25 05:09:16,109 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:16,109 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672414422]
[2021-10-25 05:09:16,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:16,110 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:16,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:16,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 05:09:16,260 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:16,260 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672414422]
[2021-10-25 05:09:16,261 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672414422] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:09:16,261 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:09:16,262 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-25 05:09:16,263 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049714537]
[2021-10-25 05:09:16,267 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 05:09:16,267 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:16,288 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 05:09:16,289 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 05:09:16,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,291 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:16,291 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:16,293 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,348 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-25 05:09:16,348 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:16,354 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:16,355 INFO  L82        PathProgramCache]: Analyzing trace with hash 231162844, now seen corresponding path program 1 times
[2021-10-25 05:09:16,355 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:16,355 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218206917]
[2021-10-25 05:09:16,355 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:16,355 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:16,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:16,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 05:09:16,450 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:16,450 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218206917]
[2021-10-25 05:09:16,451 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218206917] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:09:16,451 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:09:16,451 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-25 05:09:16,451 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117080720]
[2021-10-25 05:09:16,452 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-25 05:09:16,452 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:16,453 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-25 05:09:16,453 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42
[2021-10-25 05:09:16,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,453 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:16,453 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:16,454 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,454 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:16,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-25 05:09:16,557 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:16,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:16,557 INFO  L82        PathProgramCache]: Analyzing trace with hash 1368945004, now seen corresponding path program 1 times
[2021-10-25 05:09:16,557 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:16,557 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108317734]
[2021-10-25 05:09:16,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:16,558 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:16,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:16,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2021-10-25 05:09:16,581 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:16,582 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108317734]
[2021-10-25 05:09:16,582 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108317734] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:09:16,582 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:09:16,582 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 05:09:16,582 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424122901]
[2021-10-25 05:09:16,582 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 05:09:16,582 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:16,583 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 05:09:16,583 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 05:09:16,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,583 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:16,583 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:16,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:16,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,616 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-25 05:09:16,616 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:16,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:16,617 INFO  L82        PathProgramCache]: Analyzing trace with hash -749886574, now seen corresponding path program 1 times
[2021-10-25 05:09:16,617 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:16,617 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66979904]
[2021-10-25 05:09:16,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:16,617 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:16,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:16,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-25 05:09:16,710 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:16,710 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66979904]
[2021-10-25 05:09:16,710 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66979904] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:09:16,710 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:09:16,710 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-10-25 05:09:16,710 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711099238]
[2021-10-25 05:09:16,711 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 05:09:16,711 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:16,711 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 05:09:16,711 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2021-10-25 05:09:16,711 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,711 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:16,711 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:16,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:16,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,712 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:16,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:16,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:16,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:16,787 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-25 05:09:16,787 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:16,787 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:16,787 INFO  L82        PathProgramCache]: Analyzing trace with hash 1385734165, now seen corresponding path program 2 times
[2021-10-25 05:09:16,787 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:16,788 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577376141]
[2021-10-25 05:09:16,788 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:16,788 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:16,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:16,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-10-25 05:09:16,982 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:16,982 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577376141]
[2021-10-25 05:09:16,982 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577376141] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:16,982 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146089631]
[2021-10-25 05:09:16,983 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-25 05:09:16,983 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:09:16,983 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:17,053 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:09:17,054 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-25 05:09:17,099 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-25 05:09:17,099 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 05:09:17,101 INFO  L263         TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 45 conjunts are in the unsatisfiable core
[2021-10-25 05:09:17,104 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:09:17,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2021-10-25 05:09:17,500 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [146089631] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:17,500 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:09:17,500 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-25 05:09:17,500 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218057247]
[2021-10-25 05:09:17,500 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-25 05:09:17,500 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:17,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-25 05:09:17,501 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2021-10-25 05:09:17,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:17,501 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:17,502 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:17,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:17,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:17,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:17,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:17,502 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:18,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:18,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:18,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:18,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:18,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:09:18,111 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-25 05:09:18,312 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:09:18,312 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:18,313 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:18,313 INFO  L82        PathProgramCache]: Analyzing trace with hash 1877026592, now seen corresponding path program 1 times
[2021-10-25 05:09:18,313 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:18,316 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320892263]
[2021-10-25 05:09:18,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:18,316 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:18,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:19,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 995 backedges. 452 proven. 167 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked.
[2021-10-25 05:09:19,059 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:19,060 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320892263]
[2021-10-25 05:09:19,060 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320892263] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:19,060 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397301612]
[2021-10-25 05:09:19,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:19,061 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:09:19,061 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:19,076 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:09:19,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-25 05:09:19,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:19,229 INFO  L263         TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 174 conjunts are in the unsatisfiable core
[2021-10-25 05:09:19,233 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:09:20,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 995 backedges. 452 proven. 167 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked.
[2021-10-25 05:09:20,148 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397301612] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:20,149 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:09:20,149 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9
[2021-10-25 05:09:20,149 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895613412]
[2021-10-25 05:09:20,149 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-25 05:09:20,149 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:20,149 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-25 05:09:20,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90
[2021-10-25 05:09:20,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:20,150 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:20,150 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:09:20,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:24,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:09:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:09:24,334 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-25 05:09:24,534 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:09:24,534 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:09:24,534 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:09:24,534 INFO  L82        PathProgramCache]: Analyzing trace with hash 237581201, now seen corresponding path program 1 times
[2021-10-25 05:09:24,535 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:09:24,535 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944815378]
[2021-10-25 05:09:24,535 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:24,535 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:09:24,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:28,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 11074 backedges. 5985 proven. 1631 refuted. 0 times theorem prover too weak. 3458 trivial. 0 not checked.
[2021-10-25 05:09:28,439 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:09:28,439 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944815378]
[2021-10-25 05:09:28,439 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944815378] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:28,439 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302039101]
[2021-10-25 05:09:28,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:09:28,440 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:09:28,440 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:09:28,441 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:09:28,442 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-25 05:09:28,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:09:28,904 WARN  L261         TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 1054 conjunts are in the unsatisfiable core
[2021-10-25 05:09:28,919 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:09:31,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 11074 backedges. 1 proven. 7615 refuted. 0 times theorem prover too weak. 3458 trivial. 0 not checked.
[2021-10-25 05:09:31,879 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [302039101] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:09:31,879 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:09:31,879 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2021-10-25 05:09:31,882 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850354359]
[2021-10-25 05:09:31,883 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2021-10-25 05:09:31,883 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:09:31,883 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-10-25 05:09:31,896 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342
[2021-10-25 05:09:31,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:09:31,897 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:09:31,897 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 18 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:09:31,897 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:31,897 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-25 05:09:31,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:09:31,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:09:31,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:09:31,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:09:31,898 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.