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


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-22 12:03:00,560 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-22 12:03:00,561 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-22 12:03:00,607 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-22 12:03:00,608 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-22 12:03:00,609 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-22 12:03:00,611 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-22 12:03:00,619 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-22 12:03:00,621 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2021-10-22 12:03:00,625 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-22 12:03:00,627 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-22 12:03:00,628 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-22 12:03:00,629 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-22 12:03:00,630 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-22 12:03:00,631 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-22 12:03:00,633 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-22 12:03:00,638 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-22 12:03:00,639 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-22 12:03:00,640 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-22 12:03:00,641 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-22 12:03:00,642 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-22 12:03:00,645 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-22 12:03:00,645 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-22 12:03:00,645 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-22 12:03:00,646 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-22 12:03:00,646 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-22 12:03:00,646 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-22 12:03:00,647 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-22 12:03:00,648 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-22 12:03:00,648 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2021-10-22 12:03:00,649 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-22 12:03:00,649 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-22 12:03:00,657 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.epf
[2021-10-22 12:03:00,681 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-22 12:03:00,682 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-22 12:03:00,682 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-22 12:03:00,682 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-22 12:03:00,683 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-22 12:03:00,683 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-22 12:03:00,683 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-22 12:03:00,683 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-22 12:03:00,683 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-22 12:03:00,683 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-22 12:03:00,684 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-22 12:03:00,685 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 12:03:00,685 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-22 12:03:00,685 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-22 12:03:00,686 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-22 12:03:00,842 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-22 12:03:00,861 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-22 12:03:00,863 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-22 12:03:00,864 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-22 12:03:00,864 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-22 12:03:00,865 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl
[2021-10-22 12:03:00,865 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl'
[2021-10-22 12:03:00,880 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-22 12:03:00,881 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-22 12:03:00,882 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-22 12:03:00,882 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-22 12:03:00,882 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-22 12:03:00,890 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,895 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,920 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-22 12:03:00,927 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-22 12:03:00,928 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-22 12:03:00,928 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-22 12:03:00,934 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,935 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,936 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,936 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,938 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,941 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,942 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,943 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-22 12:03:00,944 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-22 12:03:00,944 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-22 12:03:00,944 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-22 12:03:00,945 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/1) ...
[2021-10-22 12:03:00,950 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 12:03:00,959 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:03:00,972 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-22 12:03:00,990 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-22 12:03:01,003 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-22 12:03:01,004 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-22 12:03:01,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-22 12:03:01,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-22 12:03:01,004 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-22 12:03:01,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-22 12:03:01,004 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-22 12:03:01,004 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-22 12:03:01,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-22 12:03:01,005 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-22 12:03:01,005 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-22 12:03:01,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-22 12:03:01,005 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-22 12:03:01,191 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-22 12:03:01,191 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-22 12:03:01,192 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-22 12:03:01,192 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-22 12:03:01,193 INFO  L202        PluginConnector]: Adding new model bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:03:01 BoogieIcfgContainer
[2021-10-22 12:03:01,194 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-22 12:03:01,195 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-22 12:03:01,195 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-22 12:03:01,213 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-22 12:03:01,213 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:03:00" (1/2) ...
[2021-10-22 12:03:01,214 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5a9396 and model type bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:03:01, skipping insertion in model container
[2021-10-22 12:03:01,214 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:03:01" (2/2) ...
[2021-10-22 12:03:01,215 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized10.bpl
[2021-10-22 12:03:01,218 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-22 12:03:01,218 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-22 12:03:01,219 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-22 12:03:01,219 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-22 12:03:01,275 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-22 12:03:01,307 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 12:03:01,307 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:03:01,309 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-22 12:03:01,310 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-22 12:03:01,362 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-22 12:03:01,369 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-22 12:03:01,369 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2021-10-22 12:03:01,849 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-22 12:03:01,850 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-22 12:03:01,851 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-22 12:03:01,851 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION
[2021-10-22 12:03:01,851 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION
[2021-10-22 12:03:01,856 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-22 12:03:01,859 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 12:03:01,859 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:03:01,860 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-22 12:03:01,865 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-10-22 12:03:01,868 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-22 12:03:01,869 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-22 12:03:01,869 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-22 12:03:02,056 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:03:02,060 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:03:02,060 INFO  L82        PathProgramCache]: Analyzing trace with hash 897210932, now seen corresponding path program 1 times
[2021-10-22 12:03:02,066 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:03:02,066 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142332439]
[2021-10-22 12:03:02,066 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:03:02,066 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:03:02,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:03:02,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 12:03:02,176 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:03:02,176 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142332439]
[2021-10-22 12:03:02,176 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142332439] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 12:03:02,176 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 12:03:02,176 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-22 12:03:02,177 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321779004]
[2021-10-22 12:03:02,182 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-22 12:03:02,182 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:03:02,190 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-22 12:03:02,191 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-22 12:03:02,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:03:02,193 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:03:02,193 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:03:02,194 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:03:02,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:03:02,705 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-22 12:03:02,706 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:03:02,707 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:03:02,707 INFO  L82        PathProgramCache]: Analyzing trace with hash -378030049, now seen corresponding path program 1 times
[2021-10-22 12:03:02,707 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:03:02,707 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748993004]
[2021-10-22 12:03:02,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:03:02,707 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:03:02,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:03:02,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 12:03:02,732 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:03:02,732 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748993004]
[2021-10-22 12:03:02,732 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748993004] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 12:03:02,732 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 12:03:02,732 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-22 12:03:02,732 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277562200]
[2021-10-22 12:03:02,733 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-22 12:03:02,733 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:03:02,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-22 12:03:02,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-22 12:03:02,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:03:02,734 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:03:02,734 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.6666666666666665) 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)
[2021-10-22 12:03:02,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:03:02,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:44,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:44,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:44,489 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-22 12:04:44,489 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:04:44,490 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:04:44,490 INFO  L82        PathProgramCache]: Analyzing trace with hash 240504051, now seen corresponding path program 1 times
[2021-10-22 12:04:44,490 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:04:44,490 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184512806]
[2021-10-22 12:04:44,490 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:44,490 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:04:44,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:44,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-22 12:04:44,582 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:04:44,582 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184512806]
[2021-10-22 12:04:44,582 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184512806] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:44,582 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703949203]
[2021-10-22 12:04:44,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:44,583 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:44,583 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:04:44,629 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)
[2021-10-22 12:04:44,629 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-22 12:04:44,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:44,672 INFO  L263         TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-22 12:04:44,682 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:04:44,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-22 12:04:44,805 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703949203] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:44,805 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:04:44,805 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-10-22 12:04:44,805 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372459848]
[2021-10-22 12:04:44,805 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-22 12:04:44,806 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:04:44,806 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-22 12:04:44,806 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-22 12:04:44,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:44,806 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:04:44,806 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:04:44,806 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:44,807 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:44,807 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:44,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:44,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:44,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:44,919 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-22 12:04:45,102 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
[2021-10-22 12:04:45,102 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:04:45,102 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:04:45,102 INFO  L82        PathProgramCache]: Analyzing trace with hash 1616390041, now seen corresponding path program 1 times
[2021-10-22 12:04:45,102 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:04:45,103 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336648234]
[2021-10-22 12:04:45,103 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:45,103 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:04:45,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:45,179 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 12:04:45,179 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:04:45,179 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336648234]
[2021-10-22 12:04:45,179 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336648234] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:45,180 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328620041]
[2021-10-22 12:04:45,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:45,180 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:45,180 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:04:45,182 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)
[2021-10-22 12:04:45,188 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-22 12:04:45,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:45,238 INFO  L263         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-22 12:04:45,239 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:04:45,378 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 12:04:45,378 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328620041] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:45,379 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:04:45,379 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-10-22 12:04:45,379 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698625721]
[2021-10-22 12:04:45,379 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-22 12:04:45,379 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:04:45,379 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-22 12:04:45,380 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-10-22 12:04:45,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:45,380 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:04:45,380 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:04:45,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:45,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:45,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:45,380 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:45,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:45,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:45,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:45,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:45,619 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-22 12:04:45,819 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:45,819 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:04:45,820 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:04:45,820 INFO  L82        PathProgramCache]: Analyzing trace with hash -1758426216, now seen corresponding path program 1 times
[2021-10-22 12:04:45,820 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:04:45,820 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945698397]
[2021-10-22 12:04:45,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:45,820 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:04:45,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:45,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-22 12:04:45,907 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:04:45,907 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945698397]
[2021-10-22 12:04:45,910 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945698397] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:45,911 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829341294]
[2021-10-22 12:04:45,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:45,911 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:45,912 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:04:45,913 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)
[2021-10-22 12:04:45,915 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-22 12:04:45,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:45,985 INFO  L263         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-10-22 12:04:45,986 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:04:46,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-22 12:04:46,122 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829341294] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:46,122 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:04:46,122 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-10-22 12:04:46,122 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282328491]
[2021-10-22 12:04:46,122 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-22 12:04:46,123 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:04:46,123 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-22 12:04:46,123 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-22 12:04:46,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:46,123 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:04:46,123 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:04:46,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:46,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:46,123 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:46,124 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:46,124 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:46,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:46,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:46,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:46,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:46,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:04:46,862 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-22 12:04:47,059 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:47,060 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:04:47,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:04:47,061 INFO  L82        PathProgramCache]: Analyzing trace with hash 93589952, now seen corresponding path program 1 times
[2021-10-22 12:04:47,061 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:04:47,061 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320171874]
[2021-10-22 12:04:47,061 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:47,061 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:04:47,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:47,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-22 12:04:47,155 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:04:47,155 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320171874]
[2021-10-22 12:04:47,155 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320171874] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:47,156 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169471949]
[2021-10-22 12:04:47,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:47,156 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:47,156 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:04:47,157 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)
[2021-10-22 12:04:47,158 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-22 12:04:47,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:47,246 INFO  L263         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core
[2021-10-22 12:04:47,247 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:04:47,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-22 12:04:47,413 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169471949] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:47,413 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:04:47,413 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-22 12:04:47,413 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872816121]
[2021-10-22 12:04:47,413 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-22 12:04:47,413 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:04:47,414 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-22 12:04:47,414 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-10-22 12:04:47,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:47,414 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:04:47,414 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:04:47,414 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:47,414 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:47,414 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:47,414 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:47,414 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:04:47,415 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:50,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:50,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:50,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:50,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:50,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:04:50,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 12:04:50,891 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-22 12:04:51,072 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
[2021-10-22 12:04:51,072 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:04:51,073 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:04:51,073 INFO  L82        PathProgramCache]: Analyzing trace with hash -659232495, now seen corresponding path program 1 times
[2021-10-22 12:04:51,073 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:04:51,073 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993020730]
[2021-10-22 12:04:51,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:51,073 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:04:51,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:51,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-22 12:04:51,194 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:04:51,194 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993020730]
[2021-10-22 12:04:51,194 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993020730] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:51,194 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008080478]
[2021-10-22 12:04:51,194 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:04:51,195 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:04:51,195 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:04:51,209 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)
[2021-10-22 12:04:51,209 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-22 12:04:51,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:04:51,314 INFO  L263         TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjunts are in the unsatisfiable core
[2021-10-22 12:04:51,315 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:04:51,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-22 12:04:51,570 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008080478] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:04:51,570 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:04:51,570 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-22 12:04:51,570 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891729676]
[2021-10-22 12:04:51,571 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-22 12:04:51,571 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:04:51,571 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-22 12:04:51,571 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-10-22 12:04:51,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:04:51,571 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:04:51,571 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 12:04:51,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:05:05,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:05:05,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:05:05,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:05:05,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:05:05,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:05:05,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 12:05:05,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-22 12:05:05,656 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2021-10-22 12:05:05,840 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
[2021-10-22 12:05:05,841 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 12:05:05,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 12:05:05,841 INFO  L82        PathProgramCache]: Analyzing trace with hash 1341976755, now seen corresponding path program 1 times
[2021-10-22 12:05:05,842 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 12:05:05,842 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945532839]
[2021-10-22 12:05:05,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:05:05,842 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 12:05:05,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:05:06,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-22 12:05:06,052 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 12:05:06,052 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945532839]
[2021-10-22 12:05:06,052 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945532839] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:05:06,052 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049585777]
[2021-10-22 12:05:06,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 12:05:06,053 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 12:05:06,053 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 12:05:06,053 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)
[2021-10-22 12:05:06,054 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-22 12:05:06,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 12:05:06,202 INFO  L263         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 56 conjunts are in the unsatisfiable core
[2021-10-22 12:05:06,204 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 12:05:06,484 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-22 12:05:06,484 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049585777] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 12:05:06,484 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 12:05:06,484 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-22 12:05:06,484 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548288845]
[2021-10-22 12:05:06,485 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-22 12:05:06,485 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 12:05:06,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-22 12:05:06,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-10-22 12:05:06,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 12:05:06,485 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 12:05:06,485 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-22 12:05:06,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.