/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 10:36:08,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 10:36:08,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 10:36:08,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 10:36:09,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 10:36:09,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 10:36:09,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 10:36:09,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 10:36:09,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 10:36:09,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 10:36:09,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 10:36:09,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 10:36:09,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 10:36:09,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 10:36:09,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 10:36:09,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 10:36:09,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-23 10:36:09,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 10:36:09,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 10:36:09,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 10:36:09,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 10:36:09,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 10:36:09,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 10:36:09,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 10:36:09,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 10:36:09,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 10:36:09,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 10:36:09,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 10:36:09,017 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-Random7777.epf [2021-08-23 10:36:09,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 10:36:09,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 10:36:09,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 10:36:09,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 10:36:09,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 10:36:09,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 10:36:09,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 10:36:09,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 10:36:09,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:36:09,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 10:36:09,036 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 10:36:09,037 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 10:36:09,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 10:36:09,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 10:36:09,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 10:36:09,320 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 10:36:09,321 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 10:36:09,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-08-23 10:36:09,322 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-08-23 10:36:09,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 10:36:09,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 10:36:09,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 10:36:09,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 10:36:09,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 10:36:09,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 10:36:09,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 10:36:09,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 10:36:09,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 10:36:09,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 10:36:09,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 10:36:09,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 10:36:09,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 10:36:09,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/1) ... [2021-08-23 10:36:09,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 10:36:09,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:36:09,414 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 10:36:09,439 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 10:36:09,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-23 10:36:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-23 10:36:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-23 10:36:09,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 10:36:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 10:36:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 10:36:09,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 10:36:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 10:36:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 10:36:09,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 10:36:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 10:36:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 10:36:09,452 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 10:36:09,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 10:36:09,638 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-23 10:36:09,638 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-23 10:36:09,638 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 10:36:09,640 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:36:09 BoogieIcfgContainer [2021-08-23 10:36:09,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 10:36:09,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 10:36:09,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 10:36:09,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 10:36:09,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 10:36:09" (1/2) ... [2021-08-23 10:36:09,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e28d9df and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:36:09, skipping insertion in model container [2021-08-23 10:36:09,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:36:09" (2/2) ... [2021-08-23 10:36:09,644 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-08-23 10:36:09,647 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 10:36:09,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 10:36:09,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 10:36:09,648 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 10:36:09,673 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 10:36:09,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:36:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:36:09,702 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 10:36:09,703 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 10:36:09,724 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 10:36:09,728 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 10:36:09,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-23 10:36:11,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 10:36:11,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 10:36:11,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 10:36:11,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 10:36:11,896 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 10:36:11,896 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 10:36:11,896 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-23 10:36:11,905 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-23 10:36:11,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 10:36:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 10:36:11,916 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 10:36:11,918 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 10:36:11,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-23 10:36:11,923 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 10:36:11,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 10:36:12,146 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:36:12,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:36:12,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1764679558, now seen corresponding path program 1 times [2021-08-23 10:36:12,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:36:12,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190802342] [2021-08-23 10:36:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:36:12,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:36:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:36:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:36:12,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:36:12,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190802342] [2021-08-23 10:36:12,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190802342] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:36:12,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:36:12,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 10:36:12,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81479983] [2021-08-23 10:36:12,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 10:36:12,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:36:12,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 10:36:12,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 10:36:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:12,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:36:12,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 10:36:12,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 10:36:12,497 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:36:12,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:36:12,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1210490546, now seen corresponding path program 1 times [2021-08-23 10:36:12,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:36:12,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042292504] [2021-08-23 10:36:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:36:12,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:36:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:36:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:36:12,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:36:12,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042292504] [2021-08-23 10:36:12,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042292504] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:36:12,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:36:12,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 10:36:12,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497470060] [2021-08-23 10:36:12,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 10:36:12,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:36:12,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 10:36:12,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-23 10:36:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:12,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:36:12,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 10:36:12,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:12,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:36:14,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 10:36:14,315 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:36:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:36:14,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1999509568, now seen corresponding path program 1 times [2021-08-23 10:36:14,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:36:14,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732293802] [2021-08-23 10:36:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:36:14,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:36:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:36:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 10:36:14,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:36:14,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732293802] [2021-08-23 10:36:14,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732293802] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:36:14,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:36:14,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 10:36:14,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553557277] [2021-08-23 10:36:14,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-23 10:36:14,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:36:14,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-23 10:36:14,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-23 10:36:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:14,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:36:14,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 10:36:14,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:14,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:36:14,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:14,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:36:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 10:36:14,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 10:36:14,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 10:36:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 10:36:14,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2080307475, now seen corresponding path program 1 times [2021-08-23 10:36:14,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 10:36:14,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533476461] [2021-08-23 10:36:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 10:36:14,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 10:36:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 10:36:14,578 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 10:36:14,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 10:36:14,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533476461] [2021-08-23 10:36:14,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533476461] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 10:36:14,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 10:36:14,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-23 10:36:14,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635653740] [2021-08-23 10:36:14,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 10:36:14,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 10:36:14,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 10:36:14,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-23 10:36:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:14,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 10:36:14,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 10:36:14,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:14,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:36:14,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 10:36:14,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 10:36:15,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 10:36:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 10:36:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 10:36:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-23 10:36:15,829 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-23 10:36:15,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 10:36:15,831 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-23 10:36:15,832 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 10:36:15,832 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 10:36:15,833 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:36:15 BasicIcfg [2021-08-23 10:36:15,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 10:36:15,835 INFO L168 Benchmark]: Toolchain (without parser) took 6486.93 ms. Allocated memory was 183.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 164.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 508.4 MB. Max. memory is 8.0 GB. [2021-08-23 10:36:15,835 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 10:36:15,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.95 ms. Allocated memory is still 183.5 MB. Free memory was 164.2 MB in the beginning and 162.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 10:36:15,835 INFO L168 Benchmark]: Boogie Preprocessor took 13.03 ms. Allocated memory is still 183.5 MB. Free memory was 162.2 MB in the beginning and 161.3 MB in the end (delta: 909.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 10:36:15,836 INFO L168 Benchmark]: RCFGBuilder took 249.27 ms. Allocated memory is still 183.5 MB. Free memory was 161.3 MB in the beginning and 146.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-23 10:36:15,836 INFO L168 Benchmark]: TraceAbstraction took 6192.62 ms. Allocated memory was 183.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 146.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 490.6 MB. Max. memory is 8.0 GB. [2021-08-23 10:36:15,837 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 183.5 MB. Free memory is still 165.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.95 ms. Allocated memory is still 183.5 MB. Free memory was 164.2 MB in the beginning and 162.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.03 ms. Allocated memory is still 183.5 MB. Free memory was 162.2 MB in the beginning and 161.3 MB in the end (delta: 909.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 249.27 ms. Allocated memory is still 183.5 MB. Free memory was 161.3 MB in the beginning and 146.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6192.62 ms. Allocated memory was 183.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 146.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 490.6 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: 516162, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 79542, negative conditional: 79494, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 30965, negative conditional: 30917, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 30965, negative conditional: 30917, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1277, positive: 1229, positive conditional: 0, positive unconditional: 1229, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1277, positive: 1095, positive conditional: 0, positive unconditional: 1095, negative: 182, negative conditional: 0, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 182, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467585, positive: 435391, positive conditional: 0, positive unconditional: 435391, negative: 30917, negative conditional: 0, negative unconditional: 30917, unknown: 1277, unknown conditional: 0, unknown unconditional: 1277] , Statistics on independence cache: Total cache size (in pairs): 1277, Positive cache size: 1229, Positive conditional cache size: 0, Positive unconditional cache size: 1229, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 48577 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 681, Number of persistent set computation: 3625, Number of trivial persistent sets: 3360, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1392, positive: 1344, positive conditional: 0, positive unconditional: 1344, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 516162, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 79542, negative conditional: 79494, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 30965, negative conditional: 30917, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 435276, positive unconditional: 1344, negative: 30965, negative conditional: 30917, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 467585, positive: 436620, positive conditional: 0, positive unconditional: 436620, negative: 30965, negative conditional: 0, negative unconditional: 30965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1277, positive: 1229, positive conditional: 0, positive unconditional: 1229, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1277, positive: 1095, positive conditional: 0, positive unconditional: 1095, negative: 182, negative conditional: 0, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 182, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467585, positive: 435391, positive conditional: 0, positive unconditional: 435391, negative: 30917, negative conditional: 0, negative unconditional: 30917, unknown: 1277, unknown conditional: 0, unknown unconditional: 1277] , Statistics on independence cache: Total cache size (in pairs): 1277, Positive cache size: 1229, Positive conditional cache size: 0, Positive unconditional cache size: 1229, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 48577 - 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: 678129, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 35899, negative conditional: 35847, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 648418, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 6188, negative conditional: 6136, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 648418, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 6188, negative conditional: 6136, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 628039, positive unconditional: 14191, negative: 20658, negative conditional: 14470, negative unconditional: 6188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 434222, positive unconditional: 208008, negative: 20658, negative conditional: 12411, negative unconditional: 8247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 434222, positive unconditional: 208008, negative: 20658, negative conditional: 12411, negative unconditional: 8247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1690, positive: 1529, positive conditional: 251, positive unconditional: 1278, negative: 161, negative conditional: 109, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1690, positive: 1203, positive conditional: 0, positive unconditional: 1203, negative: 487, negative conditional: 0, negative unconditional: 487, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 487, positive: 326, positive conditional: 187, positive unconditional: 139, negative: 161, negative conditional: 109, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 509, positive: 296, positive conditional: 177, positive unconditional: 119, negative: 214, negative conditional: 145, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 662888, positive: 640701, positive conditional: 433971, positive unconditional: 206730, negative: 20497, negative conditional: 12302, negative unconditional: 8195, unknown: 1690, unknown conditional: 360, unknown unconditional: 1330] , Statistics on independence cache: Total cache size (in pairs): 1690, Positive cache size: 1529, Positive conditional cache size: 251, Positive unconditional cache size: 1278, Negative cache size: 161, Negative conditional cache size: 109, Negative unconditional cache size: 52, Eliminated conditions: 195876, Maximal queried relation: 4, Independence queries for same thread: 29711 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 775, Number of persistent set computation: 9905, Number of trivial persistent sets: 8202, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1476, positive: 1424, positive conditional: 0, positive unconditional: 1424, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 678129, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 35899, negative conditional: 35847, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 648418, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 6188, negative conditional: 6136, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 648418, positive: 642230, positive conditional: 640806, positive unconditional: 1424, negative: 6188, negative conditional: 6136, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 628039, positive unconditional: 14191, negative: 20658, negative conditional: 14470, negative unconditional: 6188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 434222, positive unconditional: 208008, negative: 20658, negative conditional: 12411, negative unconditional: 8247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 662888, positive: 642230, positive conditional: 434222, positive unconditional: 208008, negative: 20658, negative conditional: 12411, negative unconditional: 8247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1690, positive: 1529, positive conditional: 251, positive unconditional: 1278, negative: 161, negative conditional: 109, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1690, positive: 1203, positive conditional: 0, positive unconditional: 1203, negative: 487, negative conditional: 0, negative unconditional: 487, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 487, positive: 326, positive conditional: 187, positive unconditional: 139, negative: 161, negative conditional: 109, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 509, positive: 296, positive conditional: 177, positive unconditional: 119, negative: 214, negative conditional: 145, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 662888, positive: 640701, positive conditional: 433971, positive unconditional: 206730, negative: 20497, negative conditional: 12302, negative unconditional: 8195, unknown: 1690, unknown conditional: 360, unknown unconditional: 1330] , Statistics on independence cache: Total cache size (in pairs): 1690, Positive cache size: 1529, Positive conditional cache size: 251, Positive unconditional cache size: 1278, Negative cache size: 161, Negative conditional cache size: 109, Negative unconditional cache size: 52, Eliminated conditions: 195876, Maximal queried relation: 4, Independence queries for same thread: 29711 - 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: 39]: 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 2206.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.9ms, PartialOrderReductionTime: 2144.7ms, 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 3916.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 3626.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 5.2ms SsaConstructionTime, 36.5ms SatisfiabilityAnalysisTime, 136.0ms InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 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 10:36:15,861 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 10:36:16,067 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 10:36:16,267 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...