/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-25 07:51:54,800 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-25 07:51:54,880 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-25 07:51:54,880 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-25 07:51:54,881 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-25 07:51:54,882 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-25 07:51:54,883 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-25 07:51:54,885 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-25 07:51:54,896 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-25 07:51:54,897 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-25 07:51:54,898 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-25 07:51:54,900 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-25 07:51:54,900 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-10-25 07:51:54,901 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-25 07:51:54,902 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2021-10-25 07:51:54,903 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-25 07:51:54,903 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-25 07:51:54,905 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-25 07:51:54,906 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-25 07:51:54,912 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-Random521.epf
[2021-10-25 07:51:54,943 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-25 07:51:54,943 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-25 07:51:54,943 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-25 07:51:54,943 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-25 07:51:54,944 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-25 07:51:54,944 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-25 07:51:54,944 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-25 07:51:54,944 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-25 07:51:54,945 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-25 07:51:54,945 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 07:51:54,946 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-25 07:51:54,946 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-25 07:51:54,947 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=521
[2021-10-25 07:51:54,947 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-25 07:51:55,147 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-25 07:51:55,160 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-25 07:51:55,161 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-25 07:51:55,162 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-25 07:51:55,162 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-25 07:51:55,163 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl
[2021-10-25 07:51:55,163 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl'
[2021-10-25 07:51:55,178 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-25 07:51:55,179 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-25 07:51:55,181 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-25 07:51:55,181 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-25 07:51:55,182 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-25 07:51:55,193 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,197 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,209 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-25 07:51:55,211 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-25 07:51:55,211 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-25 07:51:55,211 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-25 07:51:55,216 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,216 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,217 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,218 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,220 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,222 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,223 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,223 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-25 07:51:55,224 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-25 07:51:55,224 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-25 07:51:55,224 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-25 07:51:55,225 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/1) ...
[2021-10-25 07:51:55,230 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 07:51:55,243 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:51:55,252 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 07:51:55,273 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 07:51:55,307 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-25 07:51:55,307 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-25 07:51:55,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-25 07:51:55,307 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-25 07:51:55,307 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-25 07:51:55,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-25 07:51:55,307 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-25 07:51:55,307 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-25 07:51:55,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-25 07:51:55,308 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-25 07:51:55,308 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-25 07:51:55,308 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-25 07:51:55,308 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 07:51:55,538 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-25 07:51:55,538 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-25 07:51:55,539 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-25 07:51:55,560 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-25 07:51:55,562 INFO  L202        PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:51:55 BoogieIcfgContainer
[2021-10-25 07:51:55,562 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-25 07:51:55,563 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-25 07:51:55,563 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-25 07:51:55,566 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-25 07:51:55,566 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:55" (1/2) ...
[2021-10-25 07:51:55,575 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c920b21 and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:51:55, skipping insertion in model container
[2021-10-25 07:51:55,576 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:51:55" (2/2) ...
[2021-10-25 07:51:55,577 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl
[2021-10-25 07:51:55,580 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-25 07:51:55,580 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-25 07:51:55,580 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-25 07:51:55,580 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-25 07:51:55,633 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-25 07:51:55,671 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 07:51:55,671 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:51:55,672 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 07:51:55,674 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 07:51:55,693 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-25 07:51:55,697 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 07:51:55,697 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2021-10-25 07:52:27,409 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-25 07:52:27,410 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-25 07:52:27,411 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-25 07:52:27,418 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-25 07:52:27,432 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 07:52:27,433 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:52:27,438 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 07:52:27,442 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 07:52:27,445 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-25 07:52:27,446 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 07:52:27,446 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-25 07:52:27,868 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:27,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:27,872 INFO  L82        PathProgramCache]: Analyzing trace with hash 2060157529, now seen corresponding path program 1 times
[2021-10-25 07:52:27,878 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:27,878 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017817678]
[2021-10-25 07:52:27,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:27,879 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:27,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:28,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2021-10-25 07:52:28,128 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:28,128 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017817678]
[2021-10-25 07:52:28,129 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017817678] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 07:52:28,129 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 07:52:28,129 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 07:52:28,130 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679167575]
[2021-10-25 07:52:28,154 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 07:52:28,154 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:28,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 07:52:28,173 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 07:52:28,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:28,174 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:28,188 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 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)
[2021-10-25 07:52:28,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:28,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:28,580 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-25 07:52:28,580 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:28,585 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:28,586 INFO  L82        PathProgramCache]: Analyzing trace with hash -271819796, now seen corresponding path program 1 times
[2021-10-25 07:52:28,586 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:28,586 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325501711]
[2021-10-25 07:52:28,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:28,586 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:28,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:28,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-25 07:52:28,830 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:28,830 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325501711]
[2021-10-25 07:52:28,830 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325501711] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:28,831 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250196158]
[2021-10-25 07:52:28,831 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:28,831 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 07:52:28,831 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:52:28,876 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 07:52:28,878 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 07:52:28,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:28,927 INFO  L263         TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 36 conjunts are in the unsatisfiable core
[2021-10-25 07:52:28,933 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 07:52:29,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-25 07:52:29,346 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250196158] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:29,346 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 07:52:29,346 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-25 07:52:29,347 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533247912]
[2021-10-25 07:52:29,347 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 07:52:29,348 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:29,348 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 07:52:29,349 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2021-10-25 07:52:29,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:29,349 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:29,349 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 07:52:29,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:29,350 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:29,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:29,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:29,698 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-10-25 07:52:29,884 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 07:52:29,885 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:29,886 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:29,886 INFO  L82        PathProgramCache]: Analyzing trace with hash 450333356, now seen corresponding path program 2 times
[2021-10-25 07:52:29,886 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:29,888 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830553129]
[2021-10-25 07:52:29,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:29,889 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:29,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:30,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-25 07:52:30,026 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:30,026 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830553129]
[2021-10-25 07:52:30,026 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830553129] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:30,026 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641343841]
[2021-10-25 07:52:30,026 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-25 07:52:30,026 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 07:52:30,026 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:52:30,040 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 07:52:30,059 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 07:52:30,131 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-25 07:52:30,132 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 07:52:30,132 INFO  L263         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-10-25 07:52:30,135 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 07:52:30,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-25 07:52:30,377 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [641343841] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:30,380 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 07:52:30,381 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-25 07:52:30,381 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381965671]
[2021-10-25 07:52:30,381 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-25 07:52:30,381 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:30,381 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-25 07:52:30,382 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2021-10-25 07:52:30,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:30,382 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:30,383 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 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)
[2021-10-25 07:52:30,383 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:30,383 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:30,383 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:30,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:30,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:30,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:30,483 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 07:52:30,679 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 07:52:30,679 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:30,680 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:30,680 INFO  L82        PathProgramCache]: Analyzing trace with hash -1422664348, now seen corresponding path program 1 times
[2021-10-25 07:52:30,680 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:30,680 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145386938]
[2021-10-25 07:52:30,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:30,680 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:30,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:30,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-10-25 07:52:30,719 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:30,719 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145386938]
[2021-10-25 07:52:30,719 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145386938] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 07:52:30,719 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 07:52:30,719 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-25 07:52:30,720 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424435126]
[2021-10-25 07:52:30,720 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 07:52:30,720 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:30,721 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 07:52:30,721 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 07:52:30,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:30,721 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:30,721 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 18.5) 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)
[2021-10-25 07:52:30,721 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:30,721 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:30,721 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:30,721 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:31,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:31,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:31,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:31,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:31,359 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-25 07:52:31,359 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:31,359 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:31,359 INFO  L82        PathProgramCache]: Analyzing trace with hash -574564265, now seen corresponding path program 1 times
[2021-10-25 07:52:31,359 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:31,359 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096073292]
[2021-10-25 07:52:31,360 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:31,360 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:31,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:33,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 4888 backedges. 1822 proven. 1574 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked.
[2021-10-25 07:52:33,623 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:33,623 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096073292]
[2021-10-25 07:52:33,624 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096073292] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:33,627 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705336862]
[2021-10-25 07:52:33,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:33,627 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 07:52:33,628 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:52:33,644 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 07:52:33,645 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 07:52:33,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:33,923 WARN  L261         TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 566 conjunts are in the unsatisfiable core
[2021-10-25 07:52:33,931 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 07:52:35,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 4888 backedges. 335 proven. 3736 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked.
[2021-10-25 07:52:35,885 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705336862] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:35,885 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 07:52:35,885 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 15
[2021-10-25 07:52:35,886 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155372006]
[2021-10-25 07:52:35,886 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2021-10-25 07:52:35,886 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:35,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2021-10-25 07:52:35,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240
[2021-10-25 07:52:35,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:35,887 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:35,887 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 8.3125) internal successors, (133), 15 states have internal predecessors, (133), 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 07:52:35,887 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:35,887 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:35,887 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:35,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:35,888 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:39,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:39,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:39,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:39,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:39,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-25 07:52:39,527 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 07:52:39,726 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 07:52:39,727 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 07:52:39,727 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 07:52:39,727 INFO  L82        PathProgramCache]: Analyzing trace with hash -350593526, now seen corresponding path program 3 times
[2021-10-25 07:52:39,727 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 07:52:39,728 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111608295]
[2021-10-25 07:52:39,728 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 07:52:39,728 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 07:52:39,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 07:52:40,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 2952 backedges. 1511 proven. 585 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked.
[2021-10-25 07:52:40,814 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 07:52:40,815 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111608295]
[2021-10-25 07:52:40,815 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111608295] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:40,816 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141208059]
[2021-10-25 07:52:40,816 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-25 07:52:40,816 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 07:52:40,816 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 07:52:40,817 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 07:52:40,876 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 07:52:41,340 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s)
[2021-10-25 07:52:41,341 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 07:52:41,348 WARN  L261         TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 499 conjunts are in the unsatisfiable core
[2021-10-25 07:52:41,352 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 07:52:42,896 INFO  L134       CoverageAnalysis]: Checked inductivity of 2952 backedges. 5 proven. 2091 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked.
[2021-10-25 07:52:42,897 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [141208059] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 07:52:42,897 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 07:52:42,897 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2021-10-25 07:52:42,897 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061484184]
[2021-10-25 07:52:42,898 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2021-10-25 07:52:42,898 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 07:52:42,898 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-10-25 07:52:42,898 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342
[2021-10-25 07:52:42,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 07:52:42,899 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 07:52:42,899 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 7.368421052631579) internal successors, (140), 18 states have internal predecessors, (140), 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 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-10-25 07:52:42,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.