/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl


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


This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3
[2021-10-25 05:11:05,140 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-10-25 05:11:05,218 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-25 05:11:05,219 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-25 05:11:05,220 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-25 05:11:05,221 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-25 05:11:05,223 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-25 05:11:05,229 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-25 05:11:05,232 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-25 05:11:05,233 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-25 05:11:05,233 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-25 05:11:05,236 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-25 05:11:05,236 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-10-25 05:11:05,238 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-25 05:11:05,238 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-25 05:11:05,240 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-25 05:11:05,241 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-25 05:11:05,242 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-25 05:11:05,243 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-25 05:11:05,251 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf
[2021-10-25 05:11:05,278 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-25 05:11:05,279 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-25 05:11:05,279 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-25 05:11:05,279 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-25 05:11:05,280 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-25 05:11:05,281 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-25 05:11:05,281 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-25 05:11:05,281 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-25 05:11:05,281 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-25 05:11:05,281 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-25 05:11:05,282 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-25 05:11:05,283 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-25 05:11:05,283 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-25 05:11:05,284 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:11:05,285 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * DFS Order used in POR=RANDOM
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-25 05:11:05,285 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * Random seed used by POR DFS order=42
[2021-10-25 05:11:05,286 INFO  L138        SettingsManager]:  * Use conditional POR in concurrent analysis=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-25 05:11:05,502 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-25 05:11:05,525 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-25 05:11:05,527 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-25 05:11:05,528 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2021-10-25 05:11:05,531 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2021-10-25 05:11:05,532 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl
[2021-10-25 05:11:05,532 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized08.bpl'
[2021-10-25 05:11:05,552 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-25 05:11:05,553 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2021-10-25 05:11:05,554 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-25 05:11:05,554 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-25 05:11:05,554 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-25 05:11:05,565 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,570 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,582 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-25 05:11:05,583 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-25 05:11:05,583 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-25 05:11:05,583 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-25 05:11:05,590 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,590 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,591 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,591 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,592 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,595 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,595 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,596 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-25 05:11:05,597 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-25 05:11:05,597 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-25 05:11:05,597 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-25 05:11:05,598 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/1) ...
[2021-10-25 05:11:05,606 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-25 05:11:05,612 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:05,625 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-25 05:11:05,643 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-25 05:11:05,671 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration
[2021-10-25 05:11:05,672 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert
[2021-10-25 05:11:05,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert
[2021-10-25 05:11:05,672 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration
[2021-10-25 05:11:05,672 INFO  L130     BoogieDeclarations]: Found specification of procedure DeviceThread
[2021-10-25 05:11:05,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure DeviceThread
[2021-10-25 05:11:05,672 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration
[2021-10-25 05:11:05,673 INFO  L130     BoogieDeclarations]: Found specification of procedure ServerThread
[2021-10-25 05:11:05,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ServerThread
[2021-10-25 05:11:05,673 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2021-10-25 05:11:05,673 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-25 05:11:05,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-25 05:11:05,675 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-25 05:11:05,931 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-25 05:11:05,931 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-25 05:11:05,932 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location.
[2021-10-25 05:11:05,932 WARN  L329             CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location.
[2021-10-25 05:11:05,934 INFO  L202        PluginConnector]: Adding new model bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:11:05 BoogieIcfgContainer
[2021-10-25 05:11:05,934 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-25 05:11:05,935 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-25 05:11:05,935 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-25 05:11:05,938 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-25 05:11:05,938 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:11:05" (1/2) ...
[2021-10-25 05:11:05,939 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea54d91 and model type bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:11:05, skipping insertion in model container
[2021-10-25 05:11:05,939 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:11:05" (2/2) ...
[2021-10-25 05:11:05,940 INFO  L111   eAbstractionObserver]: Analyzing ICFG bluetooth-customized08.bpl
[2021-10-25 05:11:05,944 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-25 05:11:05,944 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-25 05:11:05,953 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-25 05:11:05,953 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-25 05:11:05,985 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-25 05:11:06,036 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:11:06,037 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:06,038 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:11:06,039 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-25 05:11:06,061 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-25 05:11:06,068 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:11:06,068 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2021-10-25 05:11:14,617 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-25 05:11:14,618 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-25 05:11:14,618 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-25 05:11:14,618 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION
[2021-10-25 05:11:14,618 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION
[2021-10-25 05:11:14,619 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION
[2021-10-25 05:11:14,619 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION
[2021-10-25 05:11:14,619 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION
[2021-10-25 05:11:14,619 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION
[2021-10-25 05:11:14,626 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2)
[2021-10-25 05:11:14,629 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-25 05:11:14,629 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:14,631 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-25 05:11:14,633 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-10-25 05:11:14,635 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ========
[2021-10-25 05:11:14,636 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-25 05:11:14,636 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-25 05:11:14,781 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:14,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:14,786 INFO  L82        PathProgramCache]: Analyzing trace with hash 849264444, now seen corresponding path program 1 times
[2021-10-25 05:11:14,793 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:14,793 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615568182]
[2021-10-25 05:11:14,793 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:14,794 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:14,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:15,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 05:11:15,085 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:15,085 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615568182]
[2021-10-25 05:11:15,086 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615568182] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:11:15,086 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:11:15,086 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-25 05:11:15,087 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078632159]
[2021-10-25 05:11:15,095 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-25 05:11:15,095 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:15,117 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-25 05:11:15,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-25 05:11:15,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,131 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:15,132 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:15,132 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,341 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,342 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-25 05:11:15,343 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:15,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:15,344 INFO  L82        PathProgramCache]: Analyzing trace with hash -1681516378, now seen corresponding path program 1 times
[2021-10-25 05:11:15,344 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:15,345 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378800080]
[2021-10-25 05:11:15,345 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:15,345 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:15,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:15,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-25 05:11:15,407 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:15,407 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378800080]
[2021-10-25 05:11:15,407 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378800080] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:11:15,407 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:11:15,407 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 05:11:15,407 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750927943]
[2021-10-25 05:11:15,409 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-25 05:11:15,409 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:15,409 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-25 05:11:15,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-25 05:11:15,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,410 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:15,410 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:15,410 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,410 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:15,482 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-25 05:11:15,483 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:15,483 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:15,483 INFO  L82        PathProgramCache]: Analyzing trace with hash 1690896868, now seen corresponding path program 1 times
[2021-10-25 05:11:15,483 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:15,484 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971137670]
[2021-10-25 05:11:15,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:15,484 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:15,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:15,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-25 05:11:15,507 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:15,508 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971137670]
[2021-10-25 05:11:15,508 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971137670] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:11:15,508 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:11:15,508 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-25 05:11:15,508 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470792511]
[2021-10-25 05:11:15,509 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-25 05:11:15,509 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:15,509 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-25 05:11:15,509 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-25 05:11:15,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,509 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:15,510 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:15,510 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,510 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:15,510 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:15,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:15,728 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-25 05:11:15,729 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:15,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:15,730 INFO  L82        PathProgramCache]: Analyzing trace with hash -395047548, now seen corresponding path program 1 times
[2021-10-25 05:11:15,730 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:15,731 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533166267]
[2021-10-25 05:11:15,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:15,733 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:15,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:15,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-25 05:11:15,888 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:15,888 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533166267]
[2021-10-25 05:11:15,888 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533166267] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-25 05:11:15,889 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-25 05:11:15,889 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-10-25 05:11:15,889 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696858537]
[2021-10-25 05:11:15,890 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 05:11:15,890 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:15,890 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 05:11:15,891 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2021-10-25 05:11:15,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:15,891 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:15,891 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:15,891 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:15,891 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:15,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:15,892 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:16,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:16,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:16,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:16,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:16,267 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-25 05:11:16,268 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:16,268 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:16,268 INFO  L82        PathProgramCache]: Analyzing trace with hash -1257641499, now seen corresponding path program 1 times
[2021-10-25 05:11:16,268 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:16,268 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174417159]
[2021-10-25 05:11:16,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:16,269 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:16,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:16,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-25 05:11:16,381 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:16,381 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174417159]
[2021-10-25 05:11:16,381 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174417159] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:16,382 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275991416]
[2021-10-25 05:11:16,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:16,382 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:16,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:16,420 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:11:16,421 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-25 05:11:16,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:16,470 INFO  L263         TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 20 conjunts are in the unsatisfiable core
[2021-10-25 05:11:16,475 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:11:16,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-25 05:11:16,679 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275991416] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:16,679 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:11:16,679 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2021-10-25 05:11:16,679 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224379530]
[2021-10-25 05:11:16,680 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-25 05:11:16,680 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:16,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-25 05:11:16,681 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2021-10-25 05:11:16,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:16,681 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:16,681 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 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 05:11:16,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:16,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:16,681 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:16,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:16,682 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:18,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:18,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:18,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:18,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:18,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:18,080 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 05:11:18,271 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:18,272 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:18,272 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:18,272 INFO  L82        PathProgramCache]: Analyzing trace with hash -1993700929, now seen corresponding path program 1 times
[2021-10-25 05:11:18,272 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:18,273 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573459824]
[2021-10-25 05:11:18,273 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:18,273 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:18,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:18,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-25 05:11:18,382 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:18,382 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573459824]
[2021-10-25 05:11:18,383 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573459824] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:18,383 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772324029]
[2021-10-25 05:11:18,383 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:18,383 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:18,383 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:18,384 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:11:18,385 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-25 05:11:18,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:18,461 INFO  L263         TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-10-25 05:11:18,462 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:11:18,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-25 05:11:18,645 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [772324029] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:18,646 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:11:18,646 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2021-10-25 05:11:18,646 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220411271]
[2021-10-25 05:11:18,646 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-10-25 05:11:18,646 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:18,647 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-10-25 05:11:18,647 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2021-10-25 05:11:18,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:18,647 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:18,648 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:18,648 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:23,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:23,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:23,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:23,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:23,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:23,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:23,695 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-25 05:11:23,879 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:23,879 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:23,880 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:23,880 INFO  L82        PathProgramCache]: Analyzing trace with hash 2086769787, now seen corresponding path program 1 times
[2021-10-25 05:11:23,880 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:23,880 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183242287]
[2021-10-25 05:11:23,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:23,880 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:23,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:24,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2021-10-25 05:11:24,019 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:24,019 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183242287]
[2021-10-25 05:11:24,019 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183242287] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:24,019 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617411880]
[2021-10-25 05:11:24,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:24,020 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:24,020 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:24,021 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:11:24,049 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-25 05:11:24,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:24,140 INFO  L263         TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core
[2021-10-25 05:11:24,141 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:11:24,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2021-10-25 05:11:24,379 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617411880] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:24,380 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:11:24,380 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2021-10-25 05:11:24,380 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418615709]
[2021-10-25 05:11:24,380 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-25 05:11:24,382 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:24,382 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-25 05:11:24,383 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2021-10-25 05:11:24,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:24,384 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:24,384 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:24,384 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:24,385 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:35,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:35,596 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:11:35,612 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2021-10-25 05:11:35,797 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:35,797 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:11:35,798 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:11:35,798 INFO  L82        PathProgramCache]: Analyzing trace with hash -365182724, now seen corresponding path program 2 times
[2021-10-25 05:11:35,798 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:11:35,798 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044067128]
[2021-10-25 05:11:35,798 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:11:35,798 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:11:35,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:11:35,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-25 05:11:35,971 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:11:35,972 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044067128]
[2021-10-25 05:11:35,972 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044067128] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:35,972 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521912831]
[2021-10-25 05:11:35,972 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-25 05:11:35,972 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:11:35,972 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:11:35,975 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:11:35,983 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-25 05:11:36,112 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-25 05:11:36,112 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-25 05:11:36,113 INFO  L263         TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 42 conjunts are in the unsatisfiable core
[2021-10-25 05:11:36,114 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:11:36,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-25 05:11:36,371 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521912831] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:11:36,371 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:11:36,371 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-10-25 05:11:36,371 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056960783]
[2021-10-25 05:11:36,372 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-25 05:11:36,372 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:11:36,372 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-25 05:11:36,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90
[2021-10-25 05:11:36,372 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:11:36,372 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:11:36,373 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:11:36,373 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:14,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-10-25 05:13:14,179 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-25 05:13:14,364 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:13:14,364 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] ===
[2021-10-25 05:13:14,364 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-25 05:13:14,365 INFO  L82        PathProgramCache]: Analyzing trace with hash -1199108954, now seen corresponding path program 1 times
[2021-10-25 05:13:14,365 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-25 05:13:14,365 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464600238]
[2021-10-25 05:13:14,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:13:14,365 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-25 05:13:14,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:13:14,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-25 05:13:14,551 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-25 05:13:14,553 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464600238]
[2021-10-25 05:13:14,553 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464600238] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:13:14,553 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391639805]
[2021-10-25 05:13:14,553 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-25 05:13:14,553 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-25 05:13:14,553 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-10-25 05:13:14,554 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-25 05:13:14,581 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-25 05:13:15,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-25 05:13:15,184 INFO  L263         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 50 conjunts are in the unsatisfiable core
[2021-10-25 05:13:15,186 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-25 05:13:15,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2021-10-25 05:13:15,521 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391639805] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-25 05:13:15,521 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-25 05:13:15,521 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9
[2021-10-25 05:13:15,522 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101648491]
[2021-10-25 05:13:15,522 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-10-25 05:13:15,523 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-25 05:13:15,523 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-10-25 05:13:15,523 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110
[2021-10-25 05:13:15,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-25 05:13:15,523 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-25 05:13:15,523 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-25 05:13:15,524 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-25 05:13:15,524 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2021-10-25 05:13:15,524 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-10-25 05:13:15,524 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:15,524 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-25 05:13:15,525 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-10-25 05:13:15,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-25 05:13:15,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-10-25 05:13:15,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.