/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
[2021-10-24 23:43:12,677 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-24 23:43:12,761 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-24 23:43:12,766 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-24 23:43:12,770 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-10-24 23:43:12,780 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-24 23:43:12,780 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-24 23:43:12,781 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-24 23:43:12,782 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-24 23:43:12,784 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-24 23:43:12,785 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-24 23:43:12,788 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-24 23:43:12,790 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-24 23:43:12,791 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-24 23:43:12,803 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-24 23:43:12,804 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-24 23:43:12,805 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-10-24 23:43:12,807 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-24 23:43:12,810 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-24 23:43:12,811 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-24 23:43:12,813 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-24 23:43:12,814 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
[2021-10-24 23:43:12,850 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-24 23:43:12,850 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-24 23:43:12,850 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-24 23:43:12,850 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-24 23:43:12,852 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-24 23:43:12,852 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-24 23:43:12,852 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-24 23:43:12,852 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-24 23:43:12,852 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-24 23:43:12,852 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-24 23:43:12,853 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-24 23:43:12,853 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-24 23:43:12,853 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-24 23:43:12,853 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-24 23:43:12,853 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-24 23:43:12,854 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-24 23:43:12,854 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-24 23:43:12,856 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-24 23:43:12,856 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-24 23:43:12,857 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-24 23:43:12,857 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-24 23:43:12,857 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-24 23:43:12,857 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-24 23:43:12,857 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-24 23:43:13,085 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-24 23:43:13,105 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-24 23:43:13,108 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-24 23:43:13,109 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-24 23:43:13,110 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-24 23:43:13,110 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl
[2021-10-24 23:43:13,111 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl'
[2021-10-24 23:43:13,132 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-24 23:43:13,134 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-24 23:43:13,135 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-24 23:43:13,135 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-24 23:43:13,135 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-24 23:43:13,145 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,151 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,165 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-24 23:43:13,166 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-24 23:43:13,166 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-24 23:43:13,166 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-24 23:43:13,173 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,173 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,174 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,174 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,176 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,178 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,179 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,180 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-24 23:43:13,181 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-24 23:43:13,181 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-24 23:43:13,181 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-24 23:43:13,182 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/1) ...
[2021-10-24 23:43:13,188 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-24 23:43:13,194 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:43:13,209 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)
[2021-10-24 23:43:13,225 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
[2021-10-24 23:43:13,242 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-24 23:43:13,243 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-24 23:43:13,243 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-24 23:43:13,243 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-24 23:43:13,243 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-24 23:43:13,243 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-24 23:43:13,243 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-24 23:43:13,243 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-24 23:43:13,243 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-24 23:43:13,244 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-24 23:43:13,244 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-24 23:43:13,244 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-24 23:43:13,244 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-24 23:43:13,483 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-24 23:43:13,483 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-24 23:43:13,484 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-24 23:43:13,484 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-24 23:43:13,485 INFO  L202        PluginConnector]: Adding new model bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:43:13 BoogieIcfgContainer
[2021-10-24 23:43:13,485 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-24 23:43:13,487 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-24 23:43:13,487 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-24 23:43:13,495 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-24 23:43:13,496 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:43:13" (1/2) ...
[2021-10-24 23:43:13,507 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc66113 and model type bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:43:13, skipping insertion in model container
[2021-10-24 23:43:13,508 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:43:13" (2/2) ...
[2021-10-24 23:43:13,509 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized10.bpl
[2021-10-24 23:43:13,517 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-24 23:43:13,517 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-24 23:43:13,518 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-24 23:43:13,518 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-24 23:43:13,640 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-24 23:43:13,693 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-24 23:43:13,693 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:43:13,695 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)
[2021-10-24 23:43:13,696 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
[2021-10-24 23:43:13,728 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-24 23:43:13,735 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
[2021-10-24 23:43:13,736 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2021-10-24 23:43:14,374 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-24 23:43:14,374 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-24 23:43:14,375 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-24 23:43:14,379 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-24 23:43:14,380 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION
[2021-10-24 23:43:14,380 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION
[2021-10-24 23:43:14,389 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-24 23:43:14,398 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-24 23:43:14,398 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:43:14,399 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)
[2021-10-24 23:43:14,401 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
[2021-10-24 23:43:14,403 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-24 23:43:14,404 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
[2021-10-24 23:43:14,404 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-24 23:43:14,670 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:43:14,677 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:43:14,677 INFO  L82        PathProgramCache]: Analyzing trace with hash 897210932, now seen corresponding path program 1 times
[2021-10-24 23:43:14,685 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:43:14,685 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127709492]
[2021-10-24 23:43:14,685 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:43:14,686 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:43:14,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:43:14,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-24 23:43:14,858 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:43:14,858 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127709492]
[2021-10-24 23:43:14,859 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127709492] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-24 23:43:14,859 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-24 23:43:14,859 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-24 23:43:14,864 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739131510]
[2021-10-24 23:43:14,868 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-24 23:43:14,868 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:43:14,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-24 23:43:14,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-24 23:43:14,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:43:14,882 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:43:14,883 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)
[2021-10-24 23:43:14,883 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:43:15,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:43:15,581 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-24 23:43:15,581 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:43:15,582 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:43:15,582 INFO  L82        PathProgramCache]: Analyzing trace with hash -378030049, now seen corresponding path program 1 times
[2021-10-24 23:43:15,582 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:43:15,582 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961851222]
[2021-10-24 23:43:15,583 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:43:15,583 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:43:15,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:43:15,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-24 23:43:15,621 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:43:15,622 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961851222]
[2021-10-24 23:43:15,623 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961851222] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-24 23:43:15,623 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-24 23:43:15,623 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-24 23:43:15,623 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581214558]
[2021-10-24 23:43:15,625 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-24 23:43:15,625 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:43:15,625 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-24 23:43:15,626 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-24 23:43:15,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:43:15,626 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:43:15,626 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)
[2021-10-24 23:43:15,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:43:15,626 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:18,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:18,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:18,505 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-24 23:45:18,505 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:18,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:18,506 INFO  L82        PathProgramCache]: Analyzing trace with hash 240504051, now seen corresponding path program 1 times
[2021-10-24 23:45:18,506 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:18,506 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188358305]
[2021-10-24 23:45:18,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:18,506 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:18,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:18,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-24 23:45:18,587 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:18,587 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188358305]
[2021-10-24 23:45:18,591 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188358305] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:18,591 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697244110]
[2021-10-24 23:45:18,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:18,591 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:18,592 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:18,628 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)
[2021-10-24 23:45:18,630 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-24 23:45:18,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:18,694 INFO  L263         TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-24 23:45:18,699 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:18,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-24 23:45:18,923 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697244110] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:18,923 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:18,923 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3
[2021-10-24 23:45:18,923 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035615345]
[2021-10-24 23:45:18,924 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-24 23:45:18,925 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:18,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-24 23:45:18,926 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-24 23:45:18,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:18,926 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:18,927 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)
[2021-10-24 23:45:18,927 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:18,927 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:18,927 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:19,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:19,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:19,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:19,064 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-24 23:45:19,262 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
[2021-10-24 23:45:19,263 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:19,263 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:19,263 INFO  L82        PathProgramCache]: Analyzing trace with hash 1616390041, now seen corresponding path program 1 times
[2021-10-24 23:45:19,263 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:19,264 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985182816]
[2021-10-24 23:45:19,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:19,264 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:19,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:19,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-24 23:45:19,359 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:19,359 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985182816]
[2021-10-24 23:45:19,359 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985182816] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:19,359 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961971789]
[2021-10-24 23:45:19,359 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:19,359 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:19,360 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:19,361 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)
[2021-10-24 23:45:19,362 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-24 23:45:19,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:19,417 INFO  L263         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-24 23:45:19,418 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:19,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-24 23:45:19,589 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961971789] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:19,590 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:19,590 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2021-10-24 23:45:19,590 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141382749]
[2021-10-24 23:45:19,590 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-24 23:45:19,590 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:19,590 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-24 23:45:19,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-10-24 23:45:19,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:19,591 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:19,591 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)
[2021-10-24 23:45:19,591 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:19,591 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:19,591 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:19,591 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:19,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:19,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:19,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:19,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:19,914 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-24 23:45:20,091 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
[2021-10-24 23:45:20,092 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:20,092 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:20,092 INFO  L82        PathProgramCache]: Analyzing trace with hash -1758426216, now seen corresponding path program 1 times
[2021-10-24 23:45:20,092 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:20,093 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969667531]
[2021-10-24 23:45:20,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:20,093 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:20,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:20,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-24 23:45:20,214 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:20,214 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969667531]
[2021-10-24 23:45:20,218 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969667531] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:20,221 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348236362]
[2021-10-24 23:45:20,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:20,221 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:20,222 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:20,228 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)
[2021-10-24 23:45:20,238 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-24 23:45:20,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:20,312 INFO  L263         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-10-24 23:45:20,313 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:20,972 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-24 23:45:20,972 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [348236362] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:20,973 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:20,973 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-10-24 23:45:20,973 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592760933]
[2021-10-24 23:45:20,973 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-24 23:45:20,973 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:20,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-24 23:45:20,974 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-24 23:45:20,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:20,974 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:20,974 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)
[2021-10-24 23:45:20,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:20,974 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:20,975 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:20,975 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:20,975 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:21,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:21,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:21,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:21,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:21,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:21,683 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-24 23:45:21,871 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
[2021-10-24 23:45:21,872 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:21,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:21,872 INFO  L82        PathProgramCache]: Analyzing trace with hash 93589952, now seen corresponding path program 1 times
[2021-10-24 23:45:21,872 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:21,873 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040145893]
[2021-10-24 23:45:21,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:21,873 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:21,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:22,020 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-24 23:45:22,020 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:22,020 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040145893]
[2021-10-24 23:45:22,021 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040145893] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:22,021 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266825743]
[2021-10-24 23:45:22,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:22,021 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:22,022 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:22,023 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)
[2021-10-24 23:45:22,024 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-24 23:45:22,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:22,128 INFO  L263         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core
[2021-10-24 23:45:22,129 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:22,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-24 23:45:22,817 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266825743] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:22,817 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:22,818 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-24 23:45:22,818 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809953489]
[2021-10-24 23:45:22,818 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-24 23:45:22,818 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:22,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-24 23:45:22,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-10-24 23:45:22,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:22,819 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:22,820 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)
[2021-10-24 23:45:22,820 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:22,822 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:22,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:22,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:22,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:22,826 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:26,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-24 23:45:26,704 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-24 23:45:26,891 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
[2021-10-24 23:45:26,891 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:26,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:26,892 INFO  L82        PathProgramCache]: Analyzing trace with hash -659232495, now seen corresponding path program 1 times
[2021-10-24 23:45:26,892 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:26,892 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751337522]
[2021-10-24 23:45:26,892 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:26,892 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:26,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:27,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-24 23:45:27,078 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:27,078 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751337522]
[2021-10-24 23:45:27,078 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751337522] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:27,078 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446708994]
[2021-10-24 23:45:27,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:27,078 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:27,079 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:27,080 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)
[2021-10-24 23:45:27,084 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-24 23:45:27,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:27,195 INFO  L263         TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjunts are in the unsatisfiable core
[2021-10-24 23:45:27,197 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:27,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-24 23:45:27,476 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [446708994] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:27,476 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:27,476 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-24 23:45:27,476 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191443975]
[2021-10-24 23:45:27,477 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-24 23:45:27,477 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:27,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-24 23:45:27,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-10-24 23:45:27,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:27,477 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:27,478 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)
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-24 23:45:27,478 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:44,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-24 23:45:44,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-24 23:45:44,220 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2021-10-24 23:45:44,405 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
[2021-10-24 23:45:44,406 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-24 23:45:44,406 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-24 23:45:44,406 INFO  L82        PathProgramCache]: Analyzing trace with hash 1341976755, now seen corresponding path program 1 times
[2021-10-24 23:45:44,406 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-24 23:45:44,406 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211377848]
[2021-10-24 23:45:44,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:44,406 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-24 23:45:44,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:44,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-24 23:45:44,606 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-24 23:45:44,606 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211377848]
[2021-10-24 23:45:44,606 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211377848] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:44,606 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584422465]
[2021-10-24 23:45:44,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-24 23:45:44,606 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-24 23:45:44,607 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-24 23:45:44,612 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)
[2021-10-24 23:45:44,613 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-24 23:45:45,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-24 23:45:45,182 INFO  L263         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 56 conjunts are in the unsatisfiable core
[2021-10-24 23:45:45,203 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-24 23:45:45,658 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-24 23:45:45,658 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584422465] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-24 23:45:45,659 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-24 23:45:45,659 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-24 23:45:45,660 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539916751]
[2021-10-24 23:45:45,661 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-24 23:45:45,661 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-24 23:45:45,661 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-24 23:45:45,662 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-10-24 23:45:45,662 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-24 23:45:45,662 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-24 23:45:45,662 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)
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-24 23:45:45,663 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-24 23:45:45,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.