/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-25 05:11:13,390 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-25 05:11:13,451 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-25 05:11:13,455 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-25 05:11:13,456 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-25 05:11:13,456 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-25 05:11:13,460 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-25 05:11:13,465 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-25 05:11:13,467 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-25 05:11:13,468 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-25 05:11:13,469 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-25 05:11:13,470 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-25 05:11:13,476 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-25 05:11:13,476 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-10-25 05:11:13,478 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-25 05:11:13,478 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-25 05:11:13,481 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-25 05:11:13,482 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-25 05:11:13,482 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-25 05:11:13,483 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-25 05:11:13,485 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf
[2021-10-25 05:11:13,519 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-25 05:11:13,520 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-25 05:11:13,520 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-25 05:11:13,520 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-25 05:11:13,521 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-25 05:11:13,521 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-25 05:11:13,521 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-25 05:11:13,521 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-25 05:11:13,521 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-25 05:11:13,522 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-25 05:11:13,522 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-25 05:11:13,522 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-25 05:11:13,523 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-25 05:11:13,523 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:11:13,524 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-25 05:11:13,524 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=42
[2021-10-25 05:11:13,525 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-25 05:11:13,756 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-25 05:11:13,775 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-25 05:11:13,777 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-25 05:11:13,778 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-25 05:11:13,780 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-25 05:11:13,781 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl
[2021-10-25 05:11:13,781 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl'
[2021-10-25 05:11:13,800 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-25 05:11:13,801 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-25 05:11:13,803 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-25 05:11:13,803 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-25 05:11:13,804 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-25 05:11:13,820 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,825 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,839 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-25 05:11:13,841 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-25 05:11:13,841 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-25 05:11:13,841 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-25 05:11:13,848 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,850 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,851 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,852 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,854 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,857 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,858 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,859 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-25 05:11:13,860 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-25 05:11:13,860 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-25 05:11:13,860 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-25 05:11:13,861 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/1) ...
[2021-10-25 05:11:13,868 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:11:13,875 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:13,886 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-25 05:11:13,898 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-25 05:11:13,920 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-25 05:11:13,920 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-25 05:11:13,920 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-25 05:11:13,920 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-25 05:11:13,920 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-25 05:11:13,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-25 05:11:13,921 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-25 05:11:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-25 05:11:13,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-25 05:11:13,921 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-25 05:11:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-25 05:11:13,923 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-25 05:11:13,923 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-25 05:11:14,095 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-25 05:11:14,095 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-25 05:11:14,096 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-25 05:11:14,096 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-25 05:11:14,097 INFO  L202        PluginConnector]: Adding new model bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:11:14 BoogieIcfgContainer
[2021-10-25 05:11:14,098 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-25 05:11:14,099 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-25 05:11:14,099 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-25 05:11:14,101 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-25 05:11:14,101 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:13" (1/2) ...
[2021-10-25 05:11:14,102 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f84a29 and model type bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:11:14, skipping insertion in model container
[2021-10-25 05:11:14,102 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:11:14" (2/2) ...
[2021-10-25 05:11:14,103 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized09.bpl
[2021-10-25 05:11:14,106 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-25 05:11:14,106 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-25 05:11:14,106 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-25 05:11:14,106 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-25 05:11:14,147 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-25 05:11:14,177 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:11:14,177 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:14,178 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:11:14,179 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-25 05:11:14,198 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-25 05:11:14,203 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:11:14,203 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2021-10-25 05:12:28,997 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-25 05:12:28,998 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-25 05:12:28,999 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-25 05:12:28,999 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-25 05:12:28,999 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-25 05:12:28,999 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-25 05:12:28,999 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-25 05:12:29,000 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-25 05:12:29,000 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-25 05:12:29,000 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION
[2021-10-25 05:12:29,015 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-25 05:12:29,019 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:12:29,019 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:12:29,020 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:12:29,028 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-25 05:12:29,029 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:12:29,030 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-25 05:12:29,041 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-10-25 05:12:29,429 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:12:29,438 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:12:29,439 INFO  L82        PathProgramCache]: Analyzing trace with hash -106322252, now seen corresponding path program 1 times
[2021-10-25 05:12:29,445 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:12:29,445 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816183948]
[2021-10-25 05:12:29,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:29,446 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:12:29,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:29,755 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-10-25 05:12:29,756 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:12:29,756 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816183948]
[2021-10-25 05:12:29,756 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816183948] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:12:29,756 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:12:29,756 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 05:12:29,757 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430449406]
[2021-10-25 05:12:29,779 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 05:12:29,779 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:12:29,789 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 05:12:29,810 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 05:12:29,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:29,814 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:12:29,815 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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)
[2021-10-25 05:12:29,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:30,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:30,714 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-25 05:12:30,714 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:12:30,716 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:12:30,716 INFO  L82        PathProgramCache]: Analyzing trace with hash -176173779, now seen corresponding path program 1 times
[2021-10-25 05:12:30,716 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:12:30,716 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794471701]
[2021-10-25 05:12:30,716 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:30,716 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:12:30,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:30,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-25 05:12:30,878 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:12:30,878 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794471701]
[2021-10-25 05:12:30,879 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794471701] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:30,879 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314944800]
[2021-10-25 05:12:30,879 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:30,879 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:30,880 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:12:30,945 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:12:30,992 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-25 05:12:30,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:31,001 INFO  L263         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-10-25 05:12:31,005 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:12:31,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-25 05:12:31,218 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [314944800] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:31,218 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:12:31,219 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10
[2021-10-25 05:12:31,219 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086950869]
[2021-10-25 05:12:31,220 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-10-25 05:12:31,221 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:12:31,221 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-10-25 05:12:31,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2021-10-25 05:12:31,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:31,222 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:12:31,222 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:12:31,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:31,223 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:32,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:32,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:12:32,179 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-25 05:12:32,347 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:32,348 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:12:32,348 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:12:32,349 INFO  L82        PathProgramCache]: Analyzing trace with hash 773538052, now seen corresponding path program 1 times
[2021-10-25 05:12:32,349 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:12:32,349 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960807977]
[2021-10-25 05:12:32,349 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:32,349 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:12:32,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:32,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-25 05:12:32,492 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:12:32,492 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960807977]
[2021-10-25 05:12:32,492 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960807977] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:32,492 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279307044]
[2021-10-25 05:12:32,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:32,492 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:32,492 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:12:32,508 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:12:32,509 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-25 05:12:32,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:32,562 INFO  L263         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 36 conjunts are in the unsatisfiable core
[2021-10-25 05:12:32,563 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:12:32,749 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-25 05:12:32,750 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [279307044] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:32,750 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:12:32,750 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-10-25 05:12:32,750 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76802523]
[2021-10-25 05:12:32,750 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-25 05:12:32,750 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:12:32,751 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-25 05:12:32,751 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-25 05:12:32,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:32,751 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:12:32,751 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:12:32,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:32,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:12:32,751 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:33,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:33,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:12:33,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:12:33,595 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-25 05:12:33,795 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:33,795 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:12:33,795 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:12:33,796 INFO  L82        PathProgramCache]: Analyzing trace with hash 322646411, now seen corresponding path program 2 times
[2021-10-25 05:12:33,796 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:12:33,796 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180854646]
[2021-10-25 05:12:33,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:33,796 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:12:33,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:33,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-10-25 05:12:33,929 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:12:33,929 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180854646]
[2021-10-25 05:12:33,930 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180854646] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:33,930 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741796231]
[2021-10-25 05:12:33,930 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-25 05:12:33,930 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:33,930 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:12:33,931 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:12:33,932 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-25 05:12:34,021 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-25 05:12:34,021 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 05:12:34,022 INFO  L263         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 38 conjunts are in the unsatisfiable core
[2021-10-25 05:12:34,025 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:12:34,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-10-25 05:12:34,212 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [741796231] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:34,212 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:12:34,212 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-25 05:12:34,212 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598563945]
[2021-10-25 05:12:34,212 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 05:12:34,213 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:12:34,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 05:12:34,213 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-10-25 05:12:34,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:34,213 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:12:34,213 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:12:34,213 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:34,213 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:12:34,213 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:12:34,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:38,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:38,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:12:38,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:12:38,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:12:38,967 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-25 05:12:39,170 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:39,170 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:12:39,171 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:12:39,171 INFO  L82        PathProgramCache]: Analyzing trace with hash 736928961, now seen corresponding path program 3 times
[2021-10-25 05:12:39,171 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:12:39,171 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418619568]
[2021-10-25 05:12:39,171 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:12:39,171 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:12:39,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:12:39,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-10-25 05:12:39,300 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:12:39,300 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418619568]
[2021-10-25 05:12:39,301 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418619568] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:39,301 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912502282]
[2021-10-25 05:12:39,301 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-25 05:12:39,301 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:12:39,301 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:12:39,318 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)
[2021-10-25 05:12:39,339 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-25 05:12:39,447 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2021-10-25 05:12:39,447 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 05:12:39,448 INFO  L263         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 38 conjunts are in the unsatisfiable core
[2021-10-25 05:12:39,449 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:12:39,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-10-25 05:12:39,617 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [912502282] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:12:39,617 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:12:39,617 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-25 05:12:39,617 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602233362]
[2021-10-25 05:12:39,617 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-25 05:12:39,617 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:12:39,618 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-25 05:12:39,618 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-10-25 05:12:39,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:12:39,618 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:12:39,618 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:12:39,618 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:12:39,618 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:12:39,618 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:12:39,618 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:12:39,618 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:13:15,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:13:15,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:15,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:13:15,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:15,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:15,115 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2021-10-25 05:13:15,303 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:13:15,303 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:13:15,304 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:13:15,304 INFO  L82        PathProgramCache]: Analyzing trace with hash 1617999235, now seen corresponding path program 4 times
[2021-10-25 05:13:15,304 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:13:15,304 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763169360]
[2021-10-25 05:13:15,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:13:15,304 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:13:15,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:13:15,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-25 05:13:15,466 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:13:15,466 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763169360]
[2021-10-25 05:13:15,466 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763169360] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:13:15,466 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916513580]
[2021-10-25 05:13:15,466 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-10-25 05:13:15,466 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:13:15,466 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:13:15,467 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)
[2021-10-25 05:13:15,468 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-25 05:13:15,600 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-10-25 05:13:15,600 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 05:13:15,602 INFO  L263         TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 42 conjunts are in the unsatisfiable core
[2021-10-25 05:13:15,603 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:13:15,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-25 05:13:15,763 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [916513580] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:13:15,763 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:13:15,763 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-25 05:13:15,763 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820691136]
[2021-10-25 05:13:15,763 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-25 05:13:15,764 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:13:15,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-25 05:13:15,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-10-25 05:13:15,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:13:15,764 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:13:15,764 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:13:15,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:13:15,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:15,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:13:15,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:15,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:15,765 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.