/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-22 22:57:45,102 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-22 22:57:45,174 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-10-22 22:57:45,177 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2021-10-22 22:57:45,178 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-22 22:57:45,179 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-22 22:57:45,179 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-22 22:57:45,180 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-22 22:57:45,181 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-22 22:57:45,182 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-22 22:57:45,183 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-22 22:57:45,186 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-22 22:57:45,187 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-22 22:57:45,188 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-22 22:57:45,189 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-22 22:57:45,190 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-10-22 22:57:45,191 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-22 22:57:45,191 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-22 22:57:45,193 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-22 22:57:45,193 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-22 22:57:45,194 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-22 22:57:45,202 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-22 22:57:45,203 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-Random7777.epf
[2021-10-22 22:57:45,234 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-22 22:57:45,234 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-22 22:57:45,234 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-22 22:57:45,234 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-22 22:57:45,235 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-22 22:57:45,235 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-22 22:57:45,235 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-22 22:57:45,235 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-22 22:57:45,235 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-22 22:57:45,235 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-22 22:57:45,236 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-22 22:57:45,236 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 22:57:45,237 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-22 22:57:45,237 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-22 22:57:45,238 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-22 22:57:45,238 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-22 22:57:45,238 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=7777
[2021-10-22 22:57:45,238 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-22 22:57:45,435 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-22 22:57:45,451 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-22 22:57:45,453 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-22 22:57:45,454 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-22 22:57:45,468 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-22 22:57:45,468 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl
[2021-10-22 22:57:45,469 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized09.bpl'
[2021-10-22 22:57:45,492 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-22 22:57:45,493 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-22 22:57:45,500 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-22 22:57:45,500 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-22 22:57:45,500 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-22 22:57:45,508 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,512 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,540 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-22 22:57:45,551 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-22 22:57:45,551 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-22 22:57:45,551 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-22 22:57:45,557 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,557 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,558 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,558 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,559 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,561 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,561 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,562 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-22 22:57:45,563 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-22 22:57:45,563 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-22 22:57:45,563 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-22 22:57:45,565 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/1) ...
[2021-10-22 22:57:45,570 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-22 22:57:45,578 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:57:45,601 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-22 22:57:45,633 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-22 22:57:45,644 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-22 22:57:45,645 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-22 22:57:45,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-22 22:57:45,645 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-22 22:57:45,645 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-22 22:57:45,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-22 22:57:45,645 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-22 22:57:45,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-22 22:57:45,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-22 22:57:45,646 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-22 22:57:45,646 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-22 22:57:45,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-22 22:57:45,646 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-22 22:57:45,821 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-22 22:57:45,821 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-22 22:57:45,822 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-22 22:57:45,822 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-22 22:57:45,823 INFO  L202        PluginConnector]: Adding new model bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:57:45 BoogieIcfgContainer
[2021-10-22 22:57:45,824 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-22 22:57:45,825 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-22 22:57:45,825 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-22 22:57:45,827 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-22 22:57:45,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:57:45" (1/2) ...
[2021-10-22 22:57:45,828 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b714524 and model type bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:57:45, skipping insertion in model container
[2021-10-22 22:57:45,828 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:57:45" (2/2) ...
[2021-10-22 22:57:45,829 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized09.bpl
[2021-10-22 22:57:45,832 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-22 22:57:45,832 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-22 22:57:45,832 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-22 22:57:45,832 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-22 22:57:45,877 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-22 22:57:45,930 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 22:57:45,931 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:57:45,932 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-22 22:57:45,960 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-22 22:57:45,968 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-22 22:57:45,974 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-22 22:57:45,974 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2021-10-22 22:59:08,309 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-22 22:59:08,310 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-22 22:59:08,310 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-22 22:59:08,310 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-22 22:59:08,310 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-22 22:59:08,311 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-22 22:59:08,311 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-22 22:59:08,311 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-22 22:59:08,311 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-22 22:59:08,311 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION
[2021-10-22 22:59:08,346 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-22 22:59:08,348 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-22 22:59:08,348 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:59:08,364 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-22 22:59:08,365 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-10-22 22:59:08,371 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-22 22:59:08,371 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-22 22:59:08,372 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-22 22:59:08,531 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:08,534 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:08,535 INFO  L82        PathProgramCache]: Analyzing trace with hash -1716193710, now seen corresponding path program 1 times
[2021-10-22 22:59:08,540 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:08,540 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899052242]
[2021-10-22 22:59:08,540 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:08,541 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:08,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:08,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-22 22:59:08,866 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:08,867 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899052242]
[2021-10-22 22:59:08,867 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899052242] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 22:59:08,867 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 22:59:08,868 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-22 22:59:08,883 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083967527]
[2021-10-22 22:59:08,891 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-22 22:59:08,891 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:08,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-22 22:59:08,900 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-22 22:59:08,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:08,902 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:08,902 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:08,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:09,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:09,106 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-22 22:59:09,106 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:09,113 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:09,113 INFO  L82        PathProgramCache]: Analyzing trace with hash -1405382396, now seen corresponding path program 1 times
[2021-10-22 22:59:09,113 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:09,113 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482421079]
[2021-10-22 22:59:09,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:09,113 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:09,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:09,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-22 22:59:09,167 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:09,167 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482421079]
[2021-10-22 22:59:09,168 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482421079] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 22:59:09,168 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 22:59:09,168 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-22 22:59:09,168 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89306077]
[2021-10-22 22:59:09,169 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-22 22:59:09,169 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:09,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-22 22:59:09,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-22 22:59:09,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:09,170 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:09,170 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:09,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:09,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:09,997 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:09,997 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:09,998 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-22 22:59:09,998 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:09,998 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:09,998 INFO  L82        PathProgramCache]: Analyzing trace with hash 119389738, now seen corresponding path program 1 times
[2021-10-22 22:59:09,998 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:09,998 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114006154]
[2021-10-22 22:59:09,998 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:09,999 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:10,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:10,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-22 22:59:10,071 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:10,071 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114006154]
[2021-10-22 22:59:10,074 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114006154] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-22 22:59:10,074 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-22 22:59:10,074 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-10-22 22:59:10,074 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675480070]
[2021-10-22 22:59:10,074 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-22 22:59:10,075 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:10,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-22 22:59:10,075 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2021-10-22 22:59:10,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:10,076 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:10,076 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:10,076 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:10,076 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:10,076 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:10,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:10,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:10,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:10,505 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-22 22:59:10,505 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:10,506 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:10,506 INFO  L82        PathProgramCache]: Analyzing trace with hash 718721429, now seen corresponding path program 1 times
[2021-10-22 22:59:10,506 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:10,507 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099363342]
[2021-10-22 22:59:10,509 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:10,512 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:10,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:10,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:10,612 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:10,612 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099363342]
[2021-10-22 22:59:10,612 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099363342] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:10,612 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505493438]
[2021-10-22 22:59:10,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:10,612 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:10,612 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:59:10,652 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-22 22:59:10,653 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-22 22:59:10,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:10,708 INFO  L263         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-10-22 22:59:10,713 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 22:59:10,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:10,839 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505493438] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:10,839 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 22:59:10,839 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-10-22 22:59:10,839 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142338082]
[2021-10-22 22:59:10,840 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-22 22:59:10,840 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:10,840 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-22 22:59:10,840 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-22 22:59:10,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:10,840 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:10,840 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:10,840 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:10,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:10,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:10,841 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:11,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:11,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:11,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:11,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:11,474 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-10-22 22:59:11,674 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:11,674 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:11,674 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:11,674 INFO  L82        PathProgramCache]: Analyzing trace with hash -1077090921, now seen corresponding path program 1 times
[2021-10-22 22:59:11,674 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:11,675 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591417246]
[2021-10-22 22:59:11,675 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:11,675 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:11,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:11,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:11,776 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:11,776 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591417246]
[2021-10-22 22:59:11,776 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591417246] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:11,777 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593722618]
[2021-10-22 22:59:11,777 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:11,777 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:11,777 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:59:11,792 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-22 22:59:11,807 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-22 22:59:11,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:11,863 INFO  L263         TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-10-22 22:59:11,864 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 22:59:11,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:11,998 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593722618] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:11,998 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 22:59:11,998 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-22 22:59:11,998 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553201437]
[2021-10-22 22:59:12,000 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-22 22:59:12,001 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:12,001 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-22 22:59:12,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-10-22 22:59:12,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:12,002 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:12,002 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:12,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:12,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:12,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:12,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:12,002 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:16,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:16,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:16,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:16,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:16,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:16,211 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2021-10-22 22:59:16,241 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:16,241 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:16,241 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:16,241 INFO  L82        PathProgramCache]: Analyzing trace with hash 1833075779, now seen corresponding path program 1 times
[2021-10-22 22:59:16,241 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:16,242 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486074156]
[2021-10-22 22:59:16,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:16,242 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:16,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:16,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-22 22:59:16,357 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:16,358 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486074156]
[2021-10-22 22:59:16,358 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486074156] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:16,358 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540167843]
[2021-10-22 22:59:16,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:16,358 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:16,358 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:59:16,365 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-22 22:59:16,366 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-22 22:59:16,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:16,450 INFO  L263         TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-10-22 22:59:16,451 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 22:59:16,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-22 22:59:16,593 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [540167843] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:16,593 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 22:59:16,593 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-22 22:59:16,593 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637009]
[2021-10-22 22:59:16,594 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-22 22:59:16,594 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:16,594 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-22 22:59:16,594 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-10-22 22:59:16,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:16,594 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:16,594 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:16,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:16,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:16,594 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:16,595 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:16,595 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:16,595 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:48,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:48,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:48,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:48,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:48,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:48,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-22 22:59:48,521 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-22 22:59:48,705 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:48,706 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-22 22:59:48,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-22 22:59:48,706 INFO  L82        PathProgramCache]: Analyzing trace with hash 1531365990, now seen corresponding path program 1 times
[2021-10-22 22:59:48,706 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-22 22:59:48,707 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300665688]
[2021-10-22 22:59:48,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:48,707 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-22 22:59:48,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:49,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:49,061 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-22 22:59:49,061 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300665688]
[2021-10-22 22:59:49,061 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300665688] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:49,061 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248686841]
[2021-10-22 22:59:49,061 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-22 22:59:49,061 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-22 22:59:49,062 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-22 22:59:49,069 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-22 22:59:49,081 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-22 22:59:49,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-22 22:59:49,168 INFO  L263         TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjunts are in the unsatisfiable core
[2021-10-22 22:59:49,169 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-22 22:59:49,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-22 22:59:49,296 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [248686841] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-22 22:59:49,296 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-22 22:59:49,296 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-22 22:59:49,296 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818550602]
[2021-10-22 22:59:49,297 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-22 22:59:49,297 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-22 22:59:49,297 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-22 22:59:49,297 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-10-22 22:59:49,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-22 22:59:49,297 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-22 22:59:49,297 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-22 22:59:49,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-22 22:59:49,297 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-22 22:59:49,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:49,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-22 22:59:49,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-22 22:59:49,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-22 22:59:49,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.