/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-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 05:19:14,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 05:19:14,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 05:19:14,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 05:19:14,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 05:19:14,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 05:19:14,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 05:19:14,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 05:19:14,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 05:19:14,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 05:19:14,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 05:19:14,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 05:19:14,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 05:19:14,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 05:19:14,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 05:19:14,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 05:19:14,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-23 05:19:14,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 05:19:14,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 05:19:14,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 05:19:14,478 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-NoLbe-Random42.epf [2021-08-23 05:19:14,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 05:19:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 05:19:14,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 05:19:14,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 05:19:14,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 05:19:14,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 05:19:14,496 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 05:19:14,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 05:19:14,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 05:19:14,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 05:19:14,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 05:19:14,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:19:14,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 05:19:14,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 05:19:14,499 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 05:19:14,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 05:19:14,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 05:19:14,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 05:19:14,724 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 05:19:14,725 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 05:19:14,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl [2021-08-23 05:19:14,726 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl' [2021-08-23 05:19:14,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 05:19:14,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 05:19:14,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 05:19:14,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 05:19:14,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 05:19:14,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 05:19:14,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 05:19:14,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 05:19:14,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 05:19:14,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 05:19:14,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 05:19:14,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 05:19:14,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 05:19:14,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/1) ... [2021-08-23 05:19:14,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:19:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:19:14,794 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) [2021-08-23 05:19:14,801 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 [2021-08-23 05:19:14,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-23 05:19:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-23 05:19:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-23 05:19:14,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 05:19:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 05:19:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 05:19:14,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 05:19:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 05:19:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 05:19:14,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 05:19:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 05:19:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 05:19:14,832 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 05:19:14,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 05:19:14,991 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-23 05:19:14,992 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-23 05:19:14,992 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 05:19:14,993 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:19:14 BoogieIcfgContainer [2021-08-23 05:19:14,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 05:19:14,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 05:19:14,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 05:19:14,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 05:19:14,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:19:14" (1/2) ... [2021-08-23 05:19:14,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcdcd9f and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:19:14, skipping insertion in model container [2021-08-23 05:19:14,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:19:14" (2/2) ... [2021-08-23 05:19:14,998 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl [2021-08-23 05:19:15,001 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 05:19:15,002 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 05:19:15,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 05:19:15,002 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 05:19:15,039 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 05:19:15,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:19:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:19:15,075 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) [2021-08-23 05:19:15,087 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 [2021-08-23 05:19:15,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 05:19:15,110 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 [2021-08-23 05:19:15,110 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-23 05:19:35,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 05:19:35,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 05:19:35,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 05:19:35,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 05:19:35,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 05:19:35,451 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 05:19:35,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-23 05:19:35,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-23 05:19:35,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-23 05:19:35,464 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-23 05:19:35,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:19:35,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:19:35,503 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) [2021-08-23 05:19:35,504 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 [2021-08-23 05:19:35,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-23 05:19:35,507 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 [2021-08-23 05:19:35,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 05:19:35,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:19:35,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:19:35,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2147273407, now seen corresponding path program 1 times [2021-08-23 05:19:35,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:19:35,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051267884] [2021-08-23 05:19:35,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:19:35,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:19:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:19:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-08-23 05:19:35,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:19:35,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051267884] [2021-08-23 05:19:35,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051267884] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:19:35,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:19:35,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:19:35,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223475134] [2021-08-23 05:19:35,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:19:35,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:19:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:19:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:19:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:35,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:19:35,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 05:19:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:36,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:36,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 05:19:36,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:19:36,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:19:36,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1879523884, now seen corresponding path program 1 times [2021-08-23 05:19:36,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:19:36,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512033011] [2021-08-23 05:19:36,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:19:36,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:19:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:19:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 05:19:37,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:19:37,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512033011] [2021-08-23 05:19:37,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512033011] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 05:19:37,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212881033] [2021-08-23 05:19:37,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:19:37,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 05:19:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:19:37,173 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) [2021-08-23 05:19:37,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 05:19:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:19:37,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-23 05:19:37,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 05:19:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 05:19:37,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212881033] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 05:19:37,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 05:19:37,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-23 05:19:37,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844503672] [2021-08-23 05:19:37,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 05:19:37,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:19:37,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 05:19:37,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-23 05:19:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:37,581 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:19:37,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 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) [2021-08-23 05:19:37,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:37,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 05:19:37,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 05:19:38,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 05:19:38,021 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:19:38,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:19:38,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1408350850, now seen corresponding path program 1 times [2021-08-23 05:19:38,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:19:38,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170718035] [2021-08-23 05:19:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:19:38,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:19:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:19:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 05:19:38,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:19:38,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170718035] [2021-08-23 05:19:38,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170718035] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:19:38,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:19:38,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 05:19:38,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268606784] [2021-08-23 05:19:38,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:19:38,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:19:38,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:19:38,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:19:38,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:38,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:19:38,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 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) [2021-08-23 05:19:38,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:38,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 05:19:38,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:19:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 05:19:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:19:47,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-23 05:19:47,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 05:19:47,354 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-23 05:19:47,358 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 05:19:47,358 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 05:19:47,362 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 05:19:47 BasicIcfg [2021-08-23 05:19:47,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 05:19:47,364 INFO L168 Benchmark]: Toolchain (without parser) took 32620.03 ms. Allocated memory was 181.4 MB in the beginning and 6.2 GB in the end (delta: 6.1 GB). Free memory was 161.3 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-08-23 05:19:47,366 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 181.4 MB. Free memory is still 162.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 05:19:47,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 181.4 MB. Free memory was 161.2 MB in the beginning and 159.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 05:19:47,368 INFO L168 Benchmark]: Boogie Preprocessor took 9.73 ms. Allocated memory is still 181.4 MB. Free memory was 159.4 MB in the beginning and 158.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 05:19:47,370 INFO L168 Benchmark]: RCFGBuilder took 216.64 ms. Allocated memory is still 181.4 MB. Free memory was 158.4 MB in the beginning and 143.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-23 05:19:47,370 INFO L168 Benchmark]: TraceAbstraction took 32367.32 ms. Allocated memory was 181.4 MB in the beginning and 6.2 GB in the end (delta: 6.1 GB). Free memory was 142.5 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-08-23 05:19:47,371 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 181.4 MB. Free memory is still 162.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 181.4 MB. Free memory was 161.2 MB in the beginning and 159.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.73 ms. Allocated memory is still 181.4 MB. Free memory was 159.4 MB in the beginning and 158.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 216.64 ms. Allocated memory is still 181.4 MB. Free memory was 158.4 MB in the beginning and 143.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32367.32 ms. Allocated memory was 181.4 MB in the beginning and 6.2 GB in the end (delta: 6.1 GB). Free memory was 142.5 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 1.3 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: 11162237, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 2461513, negative conditional: 2461374, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 1839348, negative conditional: 1839209, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 1839348, negative conditional: 1839209, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2010, positive: 1871, positive conditional: 0, positive unconditional: 1871, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2010, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 268, negative conditional: 0, negative unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 607, positive: 285, positive conditional: 0, positive unconditional: 285, negative: 322, negative conditional: 0, negative unconditional: 322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10540072, positive: 8698853, positive conditional: 0, positive unconditional: 8698853, negative: 1839209, negative conditional: 0, negative unconditional: 1839209, unknown: 2010, unknown conditional: 0, unknown unconditional: 2010] , Statistics on independence cache: Total cache size (in pairs): 2010, Positive cache size: 1871, Positive conditional cache size: 0, Positive unconditional cache size: 1871, Negative cache size: 139, Negative conditional cache size: 0, Negative unconditional cache size: 139, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 622165 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2321, Number of persistent set computation: 21937, Number of trivial persistent sets: 21901, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2039, positive: 1900, positive conditional: 0, positive unconditional: 1900, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11162237, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 2461513, negative conditional: 2461374, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 1839348, negative conditional: 1839209, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 8698824, positive unconditional: 1900, negative: 1839348, negative conditional: 1839209, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10540072, positive: 8700724, positive conditional: 0, positive unconditional: 8700724, negative: 1839348, negative conditional: 0, negative unconditional: 1839348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2010, positive: 1871, positive conditional: 0, positive unconditional: 1871, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2010, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 268, negative conditional: 0, negative unconditional: 268, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 268, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 607, positive: 285, positive conditional: 0, positive unconditional: 285, negative: 322, negative conditional: 0, negative unconditional: 322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10540072, positive: 8698853, positive conditional: 0, positive unconditional: 8698853, negative: 1839209, negative conditional: 0, negative unconditional: 1839209, unknown: 2010, unknown conditional: 0, unknown unconditional: 2010] , Statistics on independence cache: Total cache size (in pairs): 2010, Positive cache size: 1871, Positive conditional cache size: 0, Positive unconditional cache size: 1871, Negative cache size: 139, Negative conditional cache size: 0, Negative unconditional cache size: 139, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 622165 - 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: 2145081, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 67181, negative conditional: 67035, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2104427, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 26527, negative conditional: 26381, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2104427, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 26527, negative conditional: 26381, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 2073873, positive unconditional: 4027, negative: 395601, negative conditional: 369074, negative unconditional: 26527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 514204, positive unconditional: 1563696, negative: 395601, negative conditional: 60714, negative unconditional: 334887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 514204, positive unconditional: 1563696, negative: 395601, negative conditional: 60714, negative unconditional: 334887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2436, positive: 2198, positive conditional: 209, positive unconditional: 1989, negative: 238, negative conditional: 92, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2436, positive: 1844, positive conditional: 0, positive unconditional: 1844, negative: 592, negative conditional: 0, negative unconditional: 592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 592, positive: 354, positive conditional: 209, positive unconditional: 145, negative: 238, negative conditional: 92, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 756, positive: 439, positive conditional: 240, positive unconditional: 199, negative: 317, negative conditional: 157, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2473501, positive: 2075702, positive conditional: 513995, positive unconditional: 1561707, negative: 395363, negative conditional: 60622, negative unconditional: 334741, unknown: 2436, unknown conditional: 301, unknown unconditional: 2135] , Statistics on independence cache: Total cache size (in pairs): 2436, Positive cache size: 2198, Positive conditional cache size: 209, Positive unconditional cache size: 1989, Negative cache size: 238, Negative conditional cache size: 92, Negative unconditional cache size: 146, Eliminated conditions: 1868029, Maximal queried relation: 3, Independence queries for same thread: 40654 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 4245, Number of persistent set computation: 51024, Number of trivial persistent sets: 50132, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2238, positive: 2092, positive conditional: 0, positive unconditional: 2092, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2145081, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 67181, negative conditional: 67035, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2104427, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 26527, negative conditional: 26381, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2104427, positive: 2077900, positive conditional: 2075808, positive unconditional: 2092, negative: 26527, negative conditional: 26381, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 2073873, positive unconditional: 4027, negative: 395601, negative conditional: 369074, negative unconditional: 26527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 514204, positive unconditional: 1563696, negative: 395601, negative conditional: 60714, negative unconditional: 334887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2473501, positive: 2077900, positive conditional: 514204, positive unconditional: 1563696, negative: 395601, negative conditional: 60714, negative unconditional: 334887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2436, positive: 2198, positive conditional: 209, positive unconditional: 1989, negative: 238, negative conditional: 92, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2436, positive: 1844, positive conditional: 0, positive unconditional: 1844, negative: 592, negative conditional: 0, negative unconditional: 592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 592, positive: 354, positive conditional: 209, positive unconditional: 145, negative: 238, negative conditional: 92, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 756, positive: 439, positive conditional: 240, positive unconditional: 199, negative: 317, negative conditional: 157, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2473501, positive: 2075702, positive conditional: 513995, positive unconditional: 1561707, negative: 395363, negative conditional: 60622, negative unconditional: 334741, unknown: 2436, unknown conditional: 301, unknown unconditional: 2135] , Statistics on independence cache: Total cache size (in pairs): 2436, Positive cache size: 2198, Positive conditional cache size: 209, Positive unconditional cache size: 1989, Negative cache size: 238, Negative conditional cache size: 92, Negative unconditional cache size: 146, Eliminated conditions: 1868029, Maximal queried relation: 3, Independence queries for same thread: 40654 - 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: 41]: 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 20399.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 20322.3ms, 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 11870.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 10561.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 9.0ms SsaConstructionTime, 233.8ms SatisfiabilityAnalysisTime, 641.5ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 1 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 60/64 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! [2021-08-23 05:19:47,397 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 [2021-08-23 05:19:47,611 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 [2021-08-23 05:19:47,812 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...