/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 21:35:12,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 21:35:12,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 21:35:12,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 21:35:12,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 21:35:12,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 21:35:12,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 21:35:12,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 21:35:12,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 21:35:12,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 21:35:12,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 21:35:12,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 21:35:12,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 21:35:12,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 21:35:12,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 21:35:12,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 21:35:12,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-22 21:35:12,249 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 21:35:12,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 21:35:12,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 21:35:12,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 21:35:12,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 21:35:12,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 21:35:12,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 21:35:12,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 21:35:12,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 21:35:12,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 21:35:12,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 21:35:12,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 21:35:12,273 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 21:35:12,273 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 21:35:12,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 21:35:12,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 21:35:12,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 21:35:12,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 21:35:12,528 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 21:35:12,529 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 21:35:12,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized07.bpl [2021-08-22 21:35:12,541 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized07.bpl' [2021-08-22 21:35:12,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 21:35:12,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 21:35:12,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 21:35:12,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 21:35:12,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 21:35:12,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 21:35:12,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 21:35:12,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 21:35:12,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 21:35:12,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 21:35:12,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 21:35:12,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 21:35:12,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 21:35:12,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/1) ... [2021-08-22 21:35:12,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 21:35:12,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:12,624 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) [2021-08-22 21:35:12,637 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 [2021-08-22 21:35:12,658 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 21:35:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 21:35:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 21:35:12,658 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 21:35:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 21:35:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 21:35:12,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 21:35:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 21:35:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 21:35:12,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 21:35:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 21:35:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 21:35:12,660 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 21:35:12,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 21:35:12,878 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 21:35:12,879 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-22 21:35:12,879 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-22 21:35:12,880 INFO L202 PluginConnector]: Adding new model bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:35:12 BoogieIcfgContainer [2021-08-22 21:35:12,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 21:35:12,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 21:35:12,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 21:35:12,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 21:35:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:35:12" (1/2) ... [2021-08-22 21:35:12,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b83b227 and model type bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:35:12, skipping insertion in model container [2021-08-22 21:35:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:35:12" (2/2) ... [2021-08-22 21:35:12,885 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized07.bpl [2021-08-22 21:35:12,888 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 21:35:12,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 21:35:12,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 21:35:12,889 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 21:35:12,943 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 21:35:12,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 21:35:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:12,989 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) [2021-08-22 21:35:13,009 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 [2021-08-22 21:35:13,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 21:35:13,033 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 [2021-08-22 21:35:13,034 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 21:35:13,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 21:35:13,337 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 21:35:13,337 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 21:35:13,342 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-22 21:35:13,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 21:35:13,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:13,348 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) [2021-08-22 21:35:13,349 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 [2021-08-22 21:35:13,351 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-22 21:35:13,352 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 [2021-08-22 21:35:13,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-22 21:35:13,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:13,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:13,550 INFO L82 PathProgramCache]: Analyzing trace with hash -516628001, now seen corresponding path program 1 times [2021-08-22 21:35:13,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:13,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016332605] [2021-08-22 21:35:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:13,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 21:35:13,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:13,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016332605] [2021-08-22 21:35:13,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016332605] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 21:35:13,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 21:35:13,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 21:35:13,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707648922] [2021-08-22 21:35:13,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 21:35:13,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:13,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 21:35:13,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-22 21:35:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:13,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:13,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-08-22 21:35:13,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:13,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 21:35:13,741 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:13,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:13,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1696166948, now seen corresponding path program 1 times [2021-08-22 21:35:13,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:13,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338424563] [2021-08-22 21:35:13,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:13,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 21:35:13,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:13,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338424563] [2021-08-22 21:35:13,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338424563] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 21:35:13,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 21:35:13,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 21:35:13,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634198404] [2021-08-22 21:35:13,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 21:35:13,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:13,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 21:35:13,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 21:35:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:13,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:13,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-22 21:35:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:14,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:14,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 21:35:14,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash 674200608, now seen corresponding path program 1 times [2021-08-22 21:35:14,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:14,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172243209] [2021-08-22 21:35:14,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:14,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 21:35:14,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:14,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172243209] [2021-08-22 21:35:14,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172243209] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:14,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95225863] [2021-08-22 21:35:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:14,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:14,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:14,357 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) [2021-08-22 21:35:14,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 21:35:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:14,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 21:35:14,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 21:35:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 21:35:14,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95225863] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:14,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 21:35:14,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-08-22 21:35:14,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490292065] [2021-08-22 21:35:14,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-22 21:35:14,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:14,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-22 21:35:14,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-22 21:35:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:14,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:14,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-08-22 21:35:14,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:14,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:14,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:14,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 21:35:14,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:14,983 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash -117627214, now seen corresponding path program 1 times [2021-08-22 21:35:14,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:14,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298078453] [2021-08-22 21:35:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:14,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-22 21:35:15,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:15,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298078453] [2021-08-22 21:35:15,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298078453] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:15,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188578376] [2021-08-22 21:35:15,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:15,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:15,045 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) [2021-08-22 21:35:15,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 21:35:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:15,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-22 21:35:15,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 21:35:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-22 21:35:15,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188578376] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:15,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 21:35:15,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-08-22 21:35:15,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732467425] [2021-08-22 21:35:15,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 21:35:15,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:15,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 21:35:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-22 21:35:15,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:15,255 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:15,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-08-22 21:35:15,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:15,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:15,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:15,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:15,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-22 21:35:15,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:15,905 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash 937554368, now seen corresponding path program 1 times [2021-08-22 21:35:15,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:15,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350491323] [2021-08-22 21:35:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:15,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-22 21:35:16,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:16,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350491323] [2021-08-22 21:35:16,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350491323] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:16,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878053829] [2021-08-22 21:35:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:16,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:16,019 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) [2021-08-22 21:35:16,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 21:35:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:16,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-22 21:35:16,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 21:35:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-22 21:35:16,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878053829] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:16,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 21:35:16,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-22 21:35:16,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747942888] [2021-08-22 21:35:16,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 21:35:16,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:16,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 21:35:16,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-22 21:35:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:16,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:16,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 21:35:16,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:16,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:16,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:16,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:16,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 21:35:17,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 21:35:17,914 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 [2021-08-22 21:35:17,915 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:17,915 INFO L82 PathProgramCache]: Analyzing trace with hash -821109647, now seen corresponding path program 1 times [2021-08-22 21:35:17,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:17,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012056826] [2021-08-22 21:35:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:17,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 21:35:18,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:18,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012056826] [2021-08-22 21:35:18,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012056826] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:18,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584489916] [2021-08-22 21:35:18,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:18,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:18,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:18,033 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) [2021-08-22 21:35:18,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 21:35:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:18,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-22 21:35:18,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 21:35:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 21:35:18,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584489916] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:18,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 21:35:18,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-22 21:35:18,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564798173] [2021-08-22 21:35:18,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 21:35:18,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 21:35:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-22 21:35:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:18,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:18,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 21:35:18,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 21:35:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 21:35:32,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 21:35:32,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:32,583 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 21:35:32,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 21:35:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2085247853, now seen corresponding path program 1 times [2021-08-22 21:35:32,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 21:35:32,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468899172] [2021-08-22 21:35:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:32,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 21:35:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 21:35:32,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 21:35:32,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468899172] [2021-08-22 21:35:32,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468899172] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:32,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634542258] [2021-08-22 21:35:32,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 21:35:32,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:35:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 21:35:32,717 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) [2021-08-22 21:35:32,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 21:35:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 21:35:32,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-22 21:35:32,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 21:35:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-22 21:35:33,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634542258] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 21:35:33,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 21:35:33,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-22 21:35:33,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683736430] [2021-08-22 21:35:33,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-22 21:35:33,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 21:35:33,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-22 21:35:33,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-22 21:35:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:35:33,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 21:35:33,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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) [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 21:35:33,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 21:35:33,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 21:36:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 21:36:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 21:36:12,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 21:36:12,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 21:36:12,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 21:36:12,493 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-22 21:36:12,494 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 21:36:12,494 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 21:36:12,496 INFO L202 PluginConnector]: Adding new model bluetooth-customized07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:36:12 BasicIcfg [2021-08-22 21:36:12,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 21:36:12,497 INFO L168 Benchmark]: Toolchain (without parser) took 59937.27 ms. Allocated memory was 178.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 158.0 MB in the beginning and 6.4 GB in the end (delta: -6.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2021-08-22 21:36:12,497 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 178.3 MB. Free memory was 159.1 MB in the beginning and 159.1 MB in the end (delta: 84.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 21:36:12,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 178.3 MB. Free memory was 157.9 MB in the beginning and 156.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 21:36:12,497 INFO L168 Benchmark]: Boogie Preprocessor took 9.56 ms. Allocated memory is still 178.3 MB. Free memory was 156.1 MB in the beginning and 155.1 MB in the end (delta: 948.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 21:36:12,498 INFO L168 Benchmark]: RCFGBuilder took 285.28 ms. Allocated memory is still 178.3 MB. Free memory was 155.1 MB in the beginning and 140.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 21:36:12,498 INFO L168 Benchmark]: TraceAbstraction took 59614.38 ms. Allocated memory was 178.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 140.0 MB in the beginning and 6.4 GB in the end (delta: -6.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2021-08-22 21:36:12,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 178.3 MB. Free memory was 159.1 MB in the beginning and 159.1 MB in the end (delta: 84.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 178.3 MB. Free memory was 157.9 MB in the beginning and 156.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.56 ms. Allocated memory is still 178.3 MB. Free memory was 156.1 MB in the beginning and 155.1 MB in the end (delta: 948.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 285.28 ms. Allocated memory is still 178.3 MB. Free memory was 155.1 MB in the beginning and 140.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 59614.38 ms. Allocated memory was 178.3 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 140.0 MB in the beginning and 6.4 GB in the end (delta: -6.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1358, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 41, negative conditional: 21, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1107, positive: 1087, positive conditional: 0, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1107, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1337, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1107, unknown conditional: 0, unknown unconditional: 1107] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 1087, Positive conditional cache size: 0, Positive unconditional cache size: 1087, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 247, Number of persistent set computation: 12, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1107, positive: 1087, positive conditional: 0, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1358, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 41, negative conditional: 21, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 230, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1337, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1107, positive: 1087, positive conditional: 0, positive unconditional: 1087, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1107, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 209, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1337, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1107, unknown conditional: 0, unknown unconditional: 1107] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 1087, Positive conditional cache size: 0, Positive unconditional cache size: 1087, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21836783, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 676344, negative conditional: 676283, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21428641, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 268202, negative conditional: 268141, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21428641, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 268202, negative conditional: 268141, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 21158633, positive unconditional: 1806, negative: 1530575, negative conditional: 1262373, negative unconditional: 268202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 17170656, positive unconditional: 3989783, negative: 1530575, negative conditional: 1232256, negative unconditional: 298319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 17170656, positive unconditional: 3989783, negative: 1530575, negative conditional: 1232256, negative unconditional: 298319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3372, positive: 2911, positive conditional: 1350, positive unconditional: 1561, negative: 461, negative conditional: 400, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3372, positive: 1748, positive conditional: 0, positive unconditional: 1748, negative: 1624, negative conditional: 0, negative unconditional: 1624, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1624, positive: 1163, positive conditional: 970, positive unconditional: 193, negative: 461, negative conditional: 400, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1773, positive: 1316, positive conditional: 1089, positive unconditional: 226, negative: 457, negative conditional: 367, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22691014, positive: 21157528, positive conditional: 17169306, positive unconditional: 3988222, negative: 1530114, negative conditional: 1231856, negative unconditional: 298258, unknown: 3372, unknown conditional: 1750, unknown unconditional: 1622] , Statistics on independence cache: Total cache size (in pairs): 3372, Positive cache size: 2911, Positive conditional cache size: 1350, Positive unconditional cache size: 1561, Negative cache size: 461, Negative conditional cache size: 400, Negative unconditional cache size: 61, Eliminated conditions: 4018094, Maximal queried relation: 7, Independence queries for same thread: 408142 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1179, Number of persistent set computation: 9843, Number of trivial persistent sets: 2189, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1789, positive: 1728, positive conditional: 0, positive unconditional: 1728, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21836783, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 676344, negative conditional: 676283, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21428641, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 268202, negative conditional: 268141, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21428641, positive: 21160439, positive conditional: 21158711, positive unconditional: 1728, negative: 268202, negative conditional: 268141, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 21158633, positive unconditional: 1806, negative: 1530575, negative conditional: 1262373, negative unconditional: 268202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 17170656, positive unconditional: 3989783, negative: 1530575, negative conditional: 1232256, negative unconditional: 298319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22691014, positive: 21160439, positive conditional: 17170656, positive unconditional: 3989783, negative: 1530575, negative conditional: 1232256, negative unconditional: 298319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3372, positive: 2911, positive conditional: 1350, positive unconditional: 1561, negative: 461, negative conditional: 400, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3372, positive: 1748, positive conditional: 0, positive unconditional: 1748, negative: 1624, negative conditional: 0, negative unconditional: 1624, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1624, positive: 1163, positive conditional: 970, positive unconditional: 193, negative: 461, negative conditional: 400, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1773, positive: 1316, positive conditional: 1089, positive unconditional: 226, negative: 457, negative conditional: 367, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22691014, positive: 21157528, positive conditional: 17169306, positive unconditional: 3988222, negative: 1530114, negative conditional: 1231856, negative unconditional: 298258, unknown: 3372, unknown conditional: 1750, unknown unconditional: 1622] , Statistics on independence cache: Total cache size (in pairs): 3372, Positive cache size: 2911, Positive conditional cache size: 1350, Positive unconditional cache size: 1561, Negative cache size: 461, Negative conditional cache size: 400, Negative unconditional cache size: 61, Eliminated conditions: 4018094, Maximal queried relation: 7, Independence queries for same thread: 408142 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 358.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.7ms, PartialOrderReductionTime: 281.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 59148.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 56086.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 42.8ms SsaConstructionTime, 170.2ms SatisfiabilityAnalysisTime, 1211.6ms InterpolantComputationTime, 448 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 208/280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-22 21:36:12,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-22 21:36:12,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-22 21:36:12,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...