/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-customized06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 17:25:39,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 17:25:39,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 17:25:39,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 17:25:39,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 17:25:39,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 17:25:39,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 17:25:39,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 17:25:39,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 17:25:39,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 17:25:39,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 17:25:39,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 17:25:39,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 17:25:39,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 17:25:39,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 17:25:39,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 17:25:39,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 17:25:39,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 17:25:39,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 17:25:39,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 17:25:39,806 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 [2021-10-22 17:25:39,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 17:25:39,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 17:25:39,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 17:25:39,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 17:25:39,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 17:25:39,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 17:25:39,836 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 17:25:39,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 17:25:39,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 17:25:39,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 17:25:39,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 17:25:39,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 17:25:39,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 17:25:39,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 17:25:39,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 17:25:39,839 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 17:25:39,839 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 17:25:39,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 17:25:39,839 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-22 17:25:39,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 17:25:39,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 17:25:40,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 17:25:40,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 17:25:40,017 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 17:25:40,021 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 17:25:40,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-10-22 17:25:40,022 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-10-22 17:25:40,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 17:25:40,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 17:25:40,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 17:25:40,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 17:25:40,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 17:25:40,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 17:25:40,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 17:25:40,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 17:25:40,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 17:25:40,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 17:25:40,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 17:25:40,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 17:25:40,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 17:25:40,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/1) ... [2021-10-22 17:25:40,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 17:25:40,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:40,118 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) [2021-10-22 17:25:40,138 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 [2021-10-22 17:25:40,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-22 17:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-22 17:25:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-22 17:25:40,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-22 17:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-22 17:25:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-22 17:25:40,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-22 17:25:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-22 17:25:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-22 17:25:40,176 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 17:25:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 17:25:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 17:25:40,178 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 17:25:40,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 17:25:40,417 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-22 17:25:40,417 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-22 17:25:40,418 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-22 17:25:40,419 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 05:25:40 BoogieIcfgContainer [2021-10-22 17:25:40,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 17:25:40,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 17:25:40,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 17:25:40,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 17:25:40,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 05:25:40" (1/2) ... [2021-10-22 17:25:40,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bf1052 and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 05:25:40, skipping insertion in model container [2021-10-22 17:25:40,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 05:25:40" (2/2) ... [2021-10-22 17:25:40,426 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-10-22 17:25:40,429 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 17:25:40,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 17:25:40,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 17:25:40,429 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 17:25:40,487 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 17:25:40,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 17:25:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:40,525 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) [2021-10-22 17:25:40,526 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 [2021-10-22 17:25:40,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 17:25:40,549 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 [2021-10-22 17:25:40,549 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-22 17:25:42,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 17:25:42,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 17:25:42,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 17:25:42,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 17:25:42,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-22 17:25:42,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-22 17:25:42,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-22 17:25:42,285 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-22 17:25:42,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 17:25:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:42,290 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) [2021-10-22 17:25:42,292 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 [2021-10-22 17:25:42,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-22 17:25:42,294 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 [2021-10-22 17:25:42,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 17:25:42,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:42,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1764679558, now seen corresponding path program 1 times [2021-10-22 17:25:42,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:42,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403389277] [2021-10-22 17:25:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:42,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 17:25:42,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:42,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403389277] [2021-10-22 17:25:42,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403389277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 17:25:42,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 17:25:42,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 17:25:42,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794524210] [2021-10-22 17:25:42,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 17:25:42,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:42,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 17:25:42,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 17:25:42,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:42,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:42,595 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) [2021-10-22 17:25:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:43,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 17:25:43,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:43,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:43,624 INFO L82 PathProgramCache]: Analyzing trace with hash -99499271, now seen corresponding path program 1 times [2021-10-22 17:25:43,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:43,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963265749] [2021-10-22 17:25:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:43,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 17:25:43,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:43,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963265749] [2021-10-22 17:25:43,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963265749] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 17:25:43,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 17:25:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 17:25:43,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911282906] [2021-10-22 17:25:43,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 17:25:43,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:43,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 17:25:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 17:25:43,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:43,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:43,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 17:25:43,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:43,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:43,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 17:25:43,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:43,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:43,788 INFO L82 PathProgramCache]: Analyzing trace with hash 714484392, now seen corresponding path program 1 times [2021-10-22 17:25:43,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:43,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285833004] [2021-10-22 17:25:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:43,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 17:25:43,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:43,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285833004] [2021-10-22 17:25:43,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285833004] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 17:25:43,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 17:25:43,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-22 17:25:43,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457242986] [2021-10-22 17:25:43,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 17:25:43,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 17:25:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-22 17:25:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:43,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:43,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-10-22 17:25:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:43,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:43,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 17:25:43,918 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash 780117069, now seen corresponding path program 1 times [2021-10-22 17:25:43,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:43,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230926209] [2021-10-22 17:25:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:43,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 17:25:43,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:43,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230926209] [2021-10-22 17:25:43,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230926209] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:43,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59620201] [2021-10-22 17:25:43,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:43,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:44,008 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) [2021-10-22 17:25:44,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 17:25:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:44,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-22 17:25:44,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 17:25:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 17:25:44,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59620201] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:44,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 17:25:44,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-22 17:25:44,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856682501] [2021-10-22 17:25:44,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-22 17:25:44,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:44,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-22 17:25:44,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-22 17:25:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:44,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:44,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-22 17:25:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:44,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 17:25:44,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:44,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:44,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:44,525 INFO L82 PathProgramCache]: Analyzing trace with hash -218342604, now seen corresponding path program 1 times [2021-10-22 17:25:44,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:44,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833704227] [2021-10-22 17:25:44,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:44,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 17:25:44,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:44,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833704227] [2021-10-22 17:25:44,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833704227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:44,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266344421] [2021-10-22 17:25:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:44,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:44,624 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) [2021-10-22 17:25:44,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 17:25:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:44,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-22 17:25:44,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 17:25:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-22 17:25:44,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266344421] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:44,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 17:25:44,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-10-22 17:25:44,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671233586] [2021-10-22 17:25:44,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 17:25:44,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:44,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 17:25:44,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-22 17:25:44,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:44,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:44,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-22 17:25:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:44,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:45,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-22 17:25:45,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:45,348 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:45,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:45,348 INFO L82 PathProgramCache]: Analyzing trace with hash 130686295, now seen corresponding path program 2 times [2021-10-22 17:25:45,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:45,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886285917] [2021-10-22 17:25:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:45,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-22 17:25:45,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:45,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886285917] [2021-10-22 17:25:45,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886285917] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:45,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628833377] [2021-10-22 17:25:45,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 17:25:45,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:45,507 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) [2021-10-22 17:25:45,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 17:25:45,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 17:25:45,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 17:25:45,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-22 17:25:45,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 17:25:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-22 17:25:45,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628833377] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:45,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 17:25:45,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-22 17:25:45,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137605280] [2021-10-22 17:25:45,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-22 17:25:45,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:45,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-22 17:25:45,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-22 17:25:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:45,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:45,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 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) [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:45,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 17:25:47,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 17:25:47,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:47,564 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 17:25:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 17:25:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1880344153, now seen corresponding path program 3 times [2021-10-22 17:25:47,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 17:25:47,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287768047] [2021-10-22 17:25:47,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 17:25:47,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 17:25:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 17:25:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 17:25:47,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 17:25:47,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287768047] [2021-10-22 17:25:47,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287768047] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:47,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397469279] [2021-10-22 17:25:47,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 17:25:47,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:47,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 17:25:47,701 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) [2021-10-22 17:25:47,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 17:25:47,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-22 17:25:47,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 17:25:47,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-22 17:25:47,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 17:25:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 17:25:47,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397469279] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 17:25:47,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 17:25:47,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-22 17:25:47,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464050189] [2021-10-22 17:25:47,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 17:25:47,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 17:25:47,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 17:25:47,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-22 17:25:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:47,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 17:25:47,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-10-22 17:25:47,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 17:25:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 17:25:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 17:25:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 17:25:54,329 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-22 17:25:54,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 17:25:54,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 17:25:54,544 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-22 17:25:54,545 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 17:25:54,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 17:25:54,546 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 05:25:54 BasicIcfg [2021-10-22 17:25:54,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 17:25:54,547 INFO L168 Benchmark]: Toolchain (without parser) took 14506.23 ms. Allocated memory was 172.0 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 136.8 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 706.4 MB. Max. memory is 8.0 GB. [2021-10-22 17:25:54,548 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 172.0 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 17:25:54,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.34 ms. Allocated memory is still 172.0 MB. Free memory was 136.7 MB in the beginning and 134.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 17:25:54,548 INFO L168 Benchmark]: Boogie Preprocessor took 10.44 ms. Allocated memory is still 172.0 MB. Free memory was 134.8 MB in the beginning and 133.9 MB in the end (delta: 944.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 17:25:54,548 INFO L168 Benchmark]: RCFGBuilder took 338.86 ms. Allocated memory is still 172.0 MB. Free memory was 133.8 MB in the beginning and 119.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-22 17:25:54,548 INFO L168 Benchmark]: TraceAbstraction took 14126.40 ms. Allocated memory was 172.0 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 118.9 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 688.5 MB. Max. memory is 8.0 GB. [2021-10-22 17:25:54,549 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 0.12 ms. Allocated memory is still 172.0 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.34 ms. Allocated memory is still 172.0 MB. Free memory was 136.7 MB in the beginning and 134.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.44 ms. Allocated memory is still 172.0 MB. Free memory was 134.8 MB in the beginning and 133.9 MB in the end (delta: 944.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 338.86 ms. Allocated memory is still 172.0 MB. Free memory was 133.8 MB in the beginning and 119.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14126.40 ms. Allocated memory was 172.0 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 118.9 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 688.5 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: 362906, positive: 313496, positive conditional: 312160, positive unconditional: 1336, negative: 49410, negative conditional: 49362, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 343063, positive: 313496, positive conditional: 0, positive unconditional: 313496, negative: 29567, negative conditional: 0, negative unconditional: 29567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1275, positive: 1227, positive conditional: 0, positive unconditional: 1227, 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: 1275, positive: 1092, positive conditional: 0, positive unconditional: 1092, negative: 183, negative conditional: 0, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 343063, positive: 312269, positive conditional: 0, positive unconditional: 312269, negative: 29519, negative conditional: 0, negative unconditional: 29519, unknown: 1275, unknown conditional: 0, unknown unconditional: 1275] , Statistics on independence cache: Total cache size (in pairs): 1275, Positive cache size: 1227, Positive conditional cache size: 0, Positive unconditional cache size: 1227, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 19843 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 631, Number of persistent set computation: 3211, Number of trivial persistent sets: 1220, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 362906, positive: 313496, positive conditional: 312160, positive unconditional: 1336, negative: 49410, negative conditional: 49362, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 343063, positive: 313496, positive conditional: 0, positive unconditional: 313496, negative: 29567, negative conditional: 0, negative unconditional: 29567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1275, positive: 1227, positive conditional: 0, positive unconditional: 1227, 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: 1275, positive: 1092, positive conditional: 0, positive unconditional: 1092, negative: 183, negative conditional: 0, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 183, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 343063, positive: 312269, positive conditional: 0, positive unconditional: 312269, negative: 29519, negative conditional: 0, negative unconditional: 29519, unknown: 1275, unknown conditional: 0, unknown unconditional: 1275] , Statistics on independence cache: Total cache size (in pairs): 1275, Positive cache size: 1227, Positive conditional cache size: 0, Positive unconditional cache size: 1227, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 19843 - 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: 3164595, positive: 2646384, positive conditional: 2644982, positive unconditional: 1402, negative: 518211, negative conditional: 518159, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3020220, positive: 2646384, positive conditional: 0, positive unconditional: 2646384, negative: 373836, negative conditional: 0, negative unconditional: 373836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, positive: 1287, positive conditional: 0, positive unconditional: 1287, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 200, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3020220, positive: 2645097, positive conditional: 0, positive unconditional: 2645097, negative: 373784, negative conditional: 0, negative unconditional: 373784, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1287, Positive conditional cache size: 0, Positive unconditional cache size: 1287, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 144375 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 790, Number of persistent set computation: 7079, Number of trivial persistent sets: 5954, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3164595, positive: 2646384, positive conditional: 2644982, positive unconditional: 1402, negative: 518211, negative conditional: 518159, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3020220, positive: 2646384, positive conditional: 0, positive unconditional: 2646384, negative: 373836, negative conditional: 0, negative unconditional: 373836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, positive: 1287, positive conditional: 0, positive unconditional: 1287, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 200, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3020220, positive: 2645097, positive conditional: 0, positive unconditional: 2645097, negative: 373784, negative conditional: 0, negative unconditional: 373784, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1287, Positive conditional cache size: 0, Positive unconditional cache size: 1287, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 144375 - 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: 1763.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 1715.0ms, 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: 12255.5ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 9700.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 32.4ms SsaConstructionTime, 102.5ms SatisfiabilityAnalysisTime, 1116.9ms InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 1144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 252/310 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! [2021-10-22 17:25:54,577 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 [2021-10-22 17:25:54,771 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 [2021-10-22 17:25:54,972 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...