/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 05:08:59,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 05:08:59,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 05:08:59,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 05:08:59,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 05:08:59,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 05:08:59,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 05:08:59,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 05:08:59,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 05:08:59,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 05:08:59,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 05:08:59,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 05:08:59,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 05:08:59,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 05:08:59,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 05:08:59,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 05:08:59,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 05:08:59,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 05:08:59,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 05:08:59,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 05:08:59,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf [2021-10-25 05:08:59,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 05:08:59,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 05:08:59,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 05:08:59,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 05:08:59,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 05:08:59,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 05:08:59,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 05:08:59,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 05:08:59,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:08:59,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 05:08:59,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-25 05:08:59,854 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 05:08:59,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 05:09:00,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 05:09:00,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 05:09:00,013 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 05:09:00,014 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 05:09:00,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-10-25 05:09:00,014 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-10-25 05:09:00,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 05:09:00,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 05:09:00,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 05:09:00,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 05:09:00,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 05:09:00,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 05:09:00,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 05:09:00,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 05:09:00,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 05:09:00,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 05:09:00,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 05:09:00,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 05:09:00,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 05:09:00,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/1) ... [2021-10-25 05:09:00,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:09:00,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:00,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-25 05:09:00,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-25 05:09:00,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-25 05:09:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-25 05:09:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-25 05:09:00,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-25 05:09:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-25 05:09:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-25 05:09:00,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-25 05:09:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-25 05:09:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-25 05:09:00,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 05:09:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 05:09:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 05:09:00,131 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 05:09:00,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 05:09:00,286 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-25 05:09:00,286 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-25 05:09:00,286 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-25 05:09:00,288 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:09:00 BoogieIcfgContainer [2021-10-25 05:09:00,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 05:09:00,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 05:09:00,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 05:09:00,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 05:09:00,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 05:09:00" (1/2) ... [2021-10-25 05:09:00,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480aff8f and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:09:00, skipping insertion in model container [2021-10-25 05:09:00,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:09:00" (2/2) ... [2021-10-25 05:09:00,306 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-10-25 05:09:00,309 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 05:09:00,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 05:09:00,309 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 05:09:00,310 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 05:09:00,354 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 05:09:00,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:09:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:00,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 05:09:00,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-25 05:09:00,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 05:09:00,492 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 05:09:00,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-25 05:09:01,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 05:09:01,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 05:09:01,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 05:09:01,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-25 05:09:01,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-25 05:09:01,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-25 05:09:01,450 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-25 05:09:01,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:09:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:01,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 05:09:01,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-25 05:09:01,474 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 05:09:01,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 05:09:01,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-25 05:09:01,596 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:01,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:01,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1821814352, now seen corresponding path program 1 times [2021-10-25 05:09:01,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:01,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251910546] [2021-10-25 05:09:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:01,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 05:09:01,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:01,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251910546] [2021-10-25 05:09:01,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251910546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:09:01,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:09:01,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 05:09:01,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231757113] [2021-10-25 05:09:01,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 05:09:01,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:01,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 05:09:01,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 05:09:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:01,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:01,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:09:01,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:01,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 05:09:01,924 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:01,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1104821182, now seen corresponding path program 1 times [2021-10-25 05:09:01,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:01,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264885735] [2021-10-25 05:09:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:01,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-25 05:09:01,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:01,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264885735] [2021-10-25 05:09:01,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264885735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:09:01,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:09:01,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 05:09:01,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906812153] [2021-10-25 05:09:01,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 05:09:01,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:01,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 05:09:01,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 05:09:01,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:01,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:01,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:09:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:02,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:02,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 05:09:02,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:02,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1290713884, now seen corresponding path program 1 times [2021-10-25 05:09:02,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:02,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443891091] [2021-10-25 05:09:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:02,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-25 05:09:02,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:02,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443891091] [2021-10-25 05:09:02,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443891091] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:02,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330230604] [2021-10-25 05:09:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:02,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:09:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:02,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:09:02,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 05:09:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:02,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-25 05:09:02,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:09:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-25 05:09:03,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330230604] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:03,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:09:03,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-25 05:09:03,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837781810] [2021-10-25 05:09:03,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 05:09:03,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:03,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 05:09:03,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-25 05:09:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:03,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:03,027 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) [2021-10-25 05:09:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:03,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 05:09:03,313 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 [2021-10-25 05:09:03,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:03,314 INFO L82 PathProgramCache]: Analyzing trace with hash 2108610468, now seen corresponding path program 2 times [2021-10-25 05:09:03,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:03,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880315967] [2021-10-25 05:09:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:03,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-25 05:09:03,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:03,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880315967] [2021-10-25 05:09:03,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880315967] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:03,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3516792] [2021-10-25 05:09:03,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:09:03,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:09:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:03,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:09:03,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 05:09:03,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:09:03,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:09:03,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-25 05:09:03,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:09:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-25 05:09:04,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3516792] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:04,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:09:04,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-25 05:09:04,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090256101] [2021-10-25 05:09:04,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 05:09:04,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 05:09:04,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-25 05:09:04,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:04,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:04,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:09:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:09:04,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 05:09:04,426 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 [2021-10-25 05:09:04,426 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash -481068204, now seen corresponding path program 3 times [2021-10-25 05:09:04,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:04,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961352912] [2021-10-25 05:09:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:04,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-10-25 05:09:04,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:04,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961352912] [2021-10-25 05:09:04,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961352912] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:04,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816870363] [2021-10-25 05:09:04,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:09:04,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:09:04,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:04,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:09:04,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 05:09:04,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-25 05:09:04,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:09:04,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 75 conjunts are in the unsatisfiable core [2021-10-25 05:09:04,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:09:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-10-25 05:09:05,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816870363] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:05,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:09:05,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-25 05:09:05,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389481334] [2021-10-25 05:09:05,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 05:09:05,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 05:09:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-10-25 05:09:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:05,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:05,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:09:05,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:05,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:05,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:05,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:09:05,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:09:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 05:09:05,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 05:09:06,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:09:06,183 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 05:09:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:09:06,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1272762220, now seen corresponding path program 4 times [2021-10-25 05:09:06,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:09:06,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034783776] [2021-10-25 05:09:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:09:06,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:09:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:09:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 796 proven. 134 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-10-25 05:09:06,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:09:06,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034783776] [2021-10-25 05:09:06,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034783776] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:06,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762359720] [2021-10-25 05:09:06,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 05:09:06,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:09:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:09:06,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 05:09:06,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 05:09:07,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 05:09:07,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:09:07,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 213 conjunts are in the unsatisfiable core [2021-10-25 05:09:07,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:09:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 796 proven. 134 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-10-25 05:09:08,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762359720] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:09:08,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 05:09:08,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-10-25 05:09:08,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199095960] [2021-10-25 05:09:08,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-25 05:09:08,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:09:08,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-25 05:09:08,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90 [2021-10-25 05:09:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:08,392 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:09:08,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:09:08,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:08,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:08,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:08,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:09:08,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 05:09:08,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:09:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 05:09:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 05:09:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 05:09:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 05:09:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 05:09:11,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-25 05:09:11,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 05:09:11,423 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 [2021-10-25 05:09:11,424 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-25 05:09:11,425 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 05:09:11,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 05:09:11,428 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 05:09:11 BasicIcfg [2021-10-25 05:09:11,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 05:09:11,429 INFO L168 Benchmark]: Toolchain (without parser) took 11397.97 ms. Allocated memory was 230.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 194.1 MB in the beginning and 518.8 MB in the end (delta: -324.8 MB). Peak memory consumption was 699.2 MB. Max. memory is 8.0 GB. [2021-10-25 05:09:11,430 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 230.7 MB. Free memory is still 195.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 05:09:11,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 230.7 MB. Free memory was 193.9 MB in the beginning and 192.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 05:09:11,431 INFO L168 Benchmark]: Boogie Preprocessor took 10.16 ms. Allocated memory is still 230.7 MB. Free memory was 192.1 MB in the beginning and 191.1 MB in the end (delta: 934.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 05:09:11,431 INFO L168 Benchmark]: RCFGBuilder took 218.81 ms. Allocated memory is still 230.7 MB. Free memory was 191.1 MB in the beginning and 207.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-10-25 05:09:11,431 INFO L168 Benchmark]: TraceAbstraction took 11139.63 ms. Allocated memory was 230.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 207.5 MB in the beginning and 518.8 MB in the end (delta: -311.3 MB). Peak memory consumption was 712.8 MB. Max. memory is 8.0 GB. [2021-10-25 05:09:11,434 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 0.11 ms. Allocated memory is still 230.7 MB. Free memory is still 195.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 230.7 MB. Free memory was 193.9 MB in the beginning and 192.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.16 ms. Allocated memory is still 230.7 MB. Free memory was 192.1 MB in the beginning and 191.1 MB in the end (delta: 934.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 218.81 ms. Allocated memory is still 230.7 MB. Free memory was 191.1 MB in the beginning and 207.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11139.63 ms. Allocated memory was 230.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 207.5 MB in the beginning and 518.8 MB in the end (delta: -311.3 MB). Peak memory consumption was 712.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 76246, positive: 63441, positive conditional: 62512, positive unconditional: 929, negative: 12805, negative conditional: 12747, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 63441, positive conditional: 0, positive unconditional: 63441, negative: 8150, negative conditional: 0, negative unconditional: 8150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 945, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 945, positive: 836, positive conditional: 0, positive unconditional: 836, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 350, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71591, positive: 62554, positive conditional: 0, positive unconditional: 62554, negative: 8092, negative conditional: 0, negative unconditional: 8092, unknown: 945, unknown conditional: 0, unknown unconditional: 945] , Statistics on independence cache: Total cache size (in pairs): 945, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 4655 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 539, Number of persistent set computation: 1022, Number of trivial persistent sets: 628, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 76246, positive: 63441, positive conditional: 62512, positive unconditional: 929, negative: 12805, negative conditional: 12747, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 63441, positive conditional: 0, positive unconditional: 63441, negative: 8150, negative conditional: 0, negative unconditional: 8150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 945, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 945, positive: 836, positive conditional: 0, positive unconditional: 836, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 350, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71591, positive: 62554, positive conditional: 0, positive unconditional: 62554, negative: 8092, negative conditional: 0, negative unconditional: 8092, unknown: 945, unknown conditional: 0, unknown unconditional: 945] , Statistics on independence cache: Total cache size (in pairs): 945, Positive cache size: 887, Positive conditional cache size: 0, Positive unconditional cache size: 887, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 4655 - 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: 1536013, positive: 1172264, positive conditional: 1171279, positive unconditional: 985, negative: 363749, negative conditional: 363687, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1457141, positive: 1172264, positive conditional: 0, positive unconditional: 1172264, negative: 284877, negative conditional: 0, negative unconditional: 284877, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1003, positive: 941, positive conditional: 0, positive unconditional: 941, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1003, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1457141, positive: 1171323, positive conditional: 0, positive unconditional: 1171323, negative: 284815, negative conditional: 0, negative unconditional: 284815, unknown: 1003, unknown conditional: 0, unknown unconditional: 1003] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 941, Positive conditional cache size: 0, Positive unconditional cache size: 941, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 78872 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 403, Number of persistent set computation: 2076, Number of trivial persistent sets: 2043, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1536013, positive: 1172264, positive conditional: 1171279, positive unconditional: 985, negative: 363749, negative conditional: 363687, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1457141, positive: 1172264, positive conditional: 0, positive unconditional: 1172264, negative: 284877, negative conditional: 0, negative unconditional: 284877, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1003, positive: 941, positive conditional: 0, positive unconditional: 941, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1003, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1457141, positive: 1171323, positive conditional: 0, positive unconditional: 1171323, negative: 284815, negative conditional: 0, negative unconditional: 284815, unknown: 1003, unknown conditional: 0, unknown unconditional: 1003] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 941, Positive conditional cache size: 0, Positive unconditional cache size: 941, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 78872 - 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: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1055.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 929.6ms, 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9964.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 4052.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 51.7ms SsaConstructionTime, 335.7ms SatisfiabilityAnalysisTime, 4024.5ms InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 770 ConstructedInterpolants, 0 QuantifiedInterpolants, 4198 SizeOfPredicates, 4 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 397 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 3176/3534 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! [2021-10-25 05:09:11,462 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 [2021-10-25 05:09:11,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 05:09:11,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...