/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-NewStatesSleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 12:03:59,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 12:03:59,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 12:03:59,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 12:03:59,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 12:03:59,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 12:03:59,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 12:03:59,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 12:03:59,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 12:03:59,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 12:03:59,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 12:03:59,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 12:03:59,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 12:03:59,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 12:03:59,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 12:03:59,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 12:03:59,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 12:03:59,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 12:03:59,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 12:03:59,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 12:03:59,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 12:03:59,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 12:03:59,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 12:03:59,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 12:03:59,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 12:03:59,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 12:03:59,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 12:03:59,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 12:03:59,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 12:03:59,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 12:03:59,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 12:03:59,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 12:03:59,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 12:03:59,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 12:03:59,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 12:03:59,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 12:03:59,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 12:03:59,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 12:03:59,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 12:03:59,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 12:03:59,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 12:03:59,752 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-NewStatesSleep-NoLbe-Random7777.epf [2021-08-07 12:03:59,780 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 12:03:59,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 12:03:59,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 12:03:59,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 12:03:59,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 12:03:59,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 12:03:59,783 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 12:03:59,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 12:03:59,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 12:03:59,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 12:03:59,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 12:03:59,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:03:59,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 12:03:59,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 12:03:59,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 12:03:59,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 12:04:00,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 12:04:00,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 12:04:00,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 12:04:00,047 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 12:04:00,049 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 12:04:00,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-08-07 12:04:00,049 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-08-07 12:04:00,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 12:04:00,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 12:04:00,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 12:04:00,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 12:04:00,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 12:04:00,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 12:04:00,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 12:04:00,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 12:04:00,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 12:04:00,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 12:04:00,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 12:04:00,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 12:04:00,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 12:04:00,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/1) ... [2021-08-07 12:04:00,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:04:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:04:00,138 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) [2021-08-07 12:04:00,156 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 [2021-08-07 12:04:00,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 12:04:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 12:04:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 12:04:00,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 12:04:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 12:04:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 12:04:00,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 12:04:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 12:04:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 12:04:00,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 12:04:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 12:04:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 12:04:00,171 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 12:04:00,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 12:04:00,321 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 12:04:00,321 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 12:04:00,322 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 12:04:00,323 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:04:00 BoogieIcfgContainer [2021-08-07 12:04:00,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 12:04:00,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 12:04:00,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 12:04:00,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 12:04:00,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 12:04:00" (1/2) ... [2021-08-07 12:04:00,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8695ce and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:04:00, skipping insertion in model container [2021-08-07 12:04:00,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:04:00" (2/2) ... [2021-08-07 12:04:00,327 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-08-07 12:04:00,330 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 12:04:00,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 12:04:00,330 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 12:04:00,331 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 12:04:00,378 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 12:04:00,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:04:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:04:00,417 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) [2021-08-07 12:04:00,417 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 [2021-08-07 12:04:00,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 12:04:00,439 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 [2021-08-07 12:04:00,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-07 12:04:01,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 12:04:01,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 12:04:01,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 12:04:01,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 12:04:01,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 12:04:01,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 12:04:01,149 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 12:04:01,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:04:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:04:01,162 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) [2021-08-07 12:04:01,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 12:04:01,167 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 [2021-08-07 12:04:01,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 12:04:01,174 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 [2021-08-07 12:04:01,206 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:01,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:01,210 INFO L82 PathProgramCache]: Analyzing trace with hash -385014472, now seen corresponding path program 1 times [2021-08-07 12:04:01,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:01,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113928841] [2021-08-07 12:04:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:01,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:04:01,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:01,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113928841] [2021-08-07 12:04:01,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113928841] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:04:01,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:04:01,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:04:01,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559420330] [2021-08-07 12:04:01,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:04:01,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:01,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:04:01,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:04:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:01,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) 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) [2021-08-07 12:04:01,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 12:04:01,349 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:01,350 INFO L82 PathProgramCache]: Analyzing trace with hash -419692339, now seen corresponding path program 1 times [2021-08-07 12:04:01,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:01,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495857976] [2021-08-07 12:04:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:01,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:04:01,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:01,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495857976] [2021-08-07 12:04:01,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495857976] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:04:01,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:04:01,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:04:01,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298462000] [2021-08-07 12:04:01,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:04:01,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:01,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:04:01,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:04:01,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:01,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-08-07 12:04:01,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 12:04:01,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:01,443 INFO L82 PathProgramCache]: Analyzing trace with hash 581444685, now seen corresponding path program 1 times [2021-08-07 12:04:01,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:01,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499317657] [2021-08-07 12:04:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:01,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 12:04:01,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:01,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499317657] [2021-08-07 12:04:01,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499317657] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:04:01,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:04:01,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 12:04:01,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564882527] [2021-08-07 12:04:01,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 12:04:01,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:01,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 12:04:01,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-07 12:04:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,588 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:01,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-08-07 12:04:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:01,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 12:04:01,668 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:01,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:01,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1855169650, now seen corresponding path program 1 times [2021-08-07 12:04:01,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:01,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709698181] [2021-08-07 12:04:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:01,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 12:04:01,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:01,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709698181] [2021-08-07 12:04:01,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709698181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:04:01,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:04:01,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 12:04:01,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505988165] [2021-08-07 12:04:01,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 12:04:01,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 12:04:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-07 12:04:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:01,764 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) [2021-08-07 12:04:01,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:01,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:04:01,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 12:04:01,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:01,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:01,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1676009096, now seen corresponding path program 1 times [2021-08-07 12:04:01,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:01,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401827593] [2021-08-07 12:04:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:01,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 12:04:02,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:02,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401827593] [2021-08-07 12:04:02,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401827593] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 12:04:02,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125507942] [2021-08-07 12:04:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:02,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 12:04:02,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:04:02,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 12:04:02,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 12:04:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:02,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-07 12:04:02,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 12:04:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 12:04:02,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125507942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 12:04:02,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 12:04:02,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-07 12:04:02,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603587627] [2021-08-07 12:04:02,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 12:04:02,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:02,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 12:04:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-07 12:04:02,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:02,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:02,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-08-07 12:04:02,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:02,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:02,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:02,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:04:02,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:04:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 12:04:02,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 12:04:03,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 12:04:03,073 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 12:04:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:04:03,073 INFO L82 PathProgramCache]: Analyzing trace with hash -557928839, now seen corresponding path program 1 times [2021-08-07 12:04:03,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:04:03,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376259190] [2021-08-07 12:04:03,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:03,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:04:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 12:04:03,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:04:03,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376259190] [2021-08-07 12:04:03,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376259190] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 12:04:03,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271874871] [2021-08-07 12:04:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:04:03,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 12:04:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:04:03,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 12:04:03,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 12:04:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:04:03,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-07 12:04:03,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 12:04:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 12:04:03,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271874871] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 12:04:03,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 12:04:03,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-07 12:04:03,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363428818] [2021-08-07 12:04:03,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 12:04:03,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:04:03,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 12:04:03,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-07 12:04:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:03,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:04:03,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 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) [2021-08-07 12:04:03,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:03,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:03,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:03,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:04:03,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 12:04:03,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:04:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:04:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:04:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:04:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 12:04:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 12:04:04,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 12:04:04,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 12:04:04,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 12:04:04,934 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 12:04:04,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 12:04:04,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 12:04:04,937 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:04:04 BasicIcfg [2021-08-07 12:04:04,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 12:04:04,937 INFO L168 Benchmark]: Toolchain (without parser) took 4863.51 ms. Allocated memory was 182.5 MB in the beginning and 325.1 MB in the end (delta: 142.6 MB). Free memory was 162.6 MB in the beginning and 262.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 220.4 MB. Max. memory is 8.0 GB. [2021-08-07 12:04:04,937 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 182.5 MB. Free memory is still 163.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 12:04:04,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.09 ms. Allocated memory is still 182.5 MB. Free memory was 162.6 MB in the beginning and 160.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:04:04,937 INFO L168 Benchmark]: Boogie Preprocessor took 11.11 ms. Allocated memory is still 182.5 MB. Free memory was 160.7 MB in the beginning and 159.8 MB in the end (delta: 949.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 12:04:04,938 INFO L168 Benchmark]: RCFGBuilder took 211.40 ms. Allocated memory is still 182.5 MB. Free memory was 159.8 MB in the beginning and 144.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 12:04:04,939 INFO L168 Benchmark]: TraceAbstraction took 4612.80 ms. Allocated memory was 182.5 MB in the beginning and 325.1 MB in the end (delta: 142.6 MB). Free memory was 143.9 MB in the beginning and 262.7 MB in the end (delta: -118.7 MB). Peak memory consumption was 201.5 MB. Max. memory is 8.0 GB. [2021-08-07 12:04:04,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 182.5 MB. Free memory is still 163.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.09 ms. Allocated memory is still 182.5 MB. Free memory was 162.6 MB in the beginning and 160.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.11 ms. Allocated memory is still 182.5 MB. Free memory was 160.7 MB in the beginning and 159.8 MB in the end (delta: 949.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 211.40 ms. Allocated memory is still 182.5 MB. Free memory was 159.8 MB in the beginning and 144.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4612.80 ms. Allocated memory was 182.5 MB in the beginning and 325.1 MB in the end (delta: 142.6 MB). Free memory was 143.9 MB in the beginning and 262.7 MB in the end (delta: -118.7 MB). Peak memory consumption was 201.5 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: 51786, positive: 38257, positive conditional: 38257, positive unconditional: 0, negative: 13529, negative conditional: 13529, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45312, positive: 38257, positive conditional: 38257, positive unconditional: 0, negative: 7055, negative conditional: 7055, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 45312, positive: 38257, positive conditional: 38257, positive unconditional: 0, negative: 7055, negative conditional: 7055, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45312, positive: 38257, positive conditional: 0, positive unconditional: 38257, negative: 7055, negative conditional: 0, negative unconditional: 7055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45312, positive: 38257, positive conditional: 0, positive unconditional: 38257, negative: 7055, negative conditional: 0, negative unconditional: 7055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45312, positive: 38257, positive conditional: 0, positive unconditional: 38257, negative: 7055, negative conditional: 0, negative unconditional: 7055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45312, positive: 38009, positive conditional: 0, positive unconditional: 38009, negative: 7018, negative conditional: 0, negative unconditional: 7018, unknown: 285, unknown conditional: 0, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 248, Positive conditional cache size: 0, Positive unconditional cache size: 248, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6474 - 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: 103642, positive: 97063, positive conditional: 97063, positive unconditional: 0, negative: 6579, negative conditional: 6579, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99143, positive: 97063, positive conditional: 97063, positive unconditional: 0, negative: 2080, negative conditional: 2080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99143, positive: 97063, positive conditional: 97063, positive unconditional: 0, negative: 2080, negative conditional: 2080, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116560, positive: 97063, positive conditional: 97058, positive unconditional: 5, negative: 19497, negative conditional: 17417, negative unconditional: 2080, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116560, positive: 97063, positive conditional: 77290, positive unconditional: 19773, negative: 19497, negative conditional: 11381, negative unconditional: 8116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116560, positive: 97063, positive conditional: 77290, positive unconditional: 19773, negative: 19497, negative conditional: 11381, negative unconditional: 8116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1643, positive: 1435, positive conditional: 1175, positive unconditional: 260, negative: 208, negative conditional: 180, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1643, positive: 882, positive conditional: 0, positive unconditional: 882, negative: 761, negative conditional: 0, negative unconditional: 761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 761, positive: 553, positive conditional: 531, positive unconditional: 22, negative: 208, negative conditional: 180, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 817, positive: 642, positive conditional: 585, positive unconditional: 57, negative: 175, negative conditional: 153, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116560, positive: 95628, positive conditional: 76115, positive unconditional: 19513, negative: 19289, negative conditional: 11201, negative unconditional: 8088, unknown: 1643, unknown conditional: 1355, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 1643, Positive cache size: 1435, Positive conditional cache size: 1175, Positive unconditional cache size: 260, Negative cache size: 208, Negative conditional cache size: 180, Negative unconditional cache size: 28, Eliminated conditions: 25804, Maximal queried relation: 6, Independence queries for same thread: 4499 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 735.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 686.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3779.9ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 1876.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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: 12.8ms SsaConstructionTime, 77.3ms SatisfiabilityAnalysisTime, 1186.6ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 2 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 31/41 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! [2021-08-07 12:04:04,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-08-07 12:04:05,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 12:04:05,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...