/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 07:52:27,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 07:52:27,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 07:52:27,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 07:52:27,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 07:52:27,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 07:52:27,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 07:52:27,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 07:52:27,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 07:52:27,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 07:52:27,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 07:52:27,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 07:52:27,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 07:52:27,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 07:52:27,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 07:52:27,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 07:52:27,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 07:52:27,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-25 07:52:27,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-25 07:52:27,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-25 07:52:27,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-25 07:52:27,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-25 07:52:27,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-25 07:52:27,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-25 07:52:27,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-25 07:52:27,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 07:52:27,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 07:52:27,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 07:52:27,175 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-Random521.epf [2021-10-25 07:52:27,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 07:52:27,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 07:52:27,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 07:52:27,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 07:52:27,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 07:52:27,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 07:52:27,191 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 07:52:27,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 07:52:27,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 07:52:27,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 07:52:27,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:52:27,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 07:52:27,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 07:52:27,194 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 07:52:27,195 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 07:52:27,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 07:52:27,195 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 [2021-10-25 07:52:27,195 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 07:52:27,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 07:52:27,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 07:52:27,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 07:52:27,405 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 07:52:27,405 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 07:52:27,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl [2021-10-25 07:52:27,406 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized05.bpl' [2021-10-25 07:52:27,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 07:52:27,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 07:52:27,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 07:52:27,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 07:52:27,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 07:52:27,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 07:52:27,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 07:52:27,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 07:52:27,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 07:52:27,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 07:52:27,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 07:52:27,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 07:52:27,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 07:52:27,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/1) ... [2021-10-25 07:52:27,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:52:27,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:27,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-25 07:52:27,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-25 07:52:27,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-25 07:52:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-25 07:52:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-25 07:52:27,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-25 07:52:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-25 07:52:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-25 07:52:27,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-25 07:52:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-25 07:52:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-25 07:52:27,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 07:52:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 07:52:27,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 07:52:27,527 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 07:52:27,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 07:52:27,757 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-25 07:52:27,757 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-25 07:52:27,757 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-25 07:52:27,758 INFO L202 PluginConnector]: Adding new model bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:52:27 BoogieIcfgContainer [2021-10-25 07:52:27,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 07:52:27,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 07:52:27,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 07:52:27,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 07:52:27,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:52:27" (1/2) ... [2021-10-25 07:52:27,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532013ed and model type bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:52:27, skipping insertion in model container [2021-10-25 07:52:27,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:52:27" (2/2) ... [2021-10-25 07:52:27,764 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized05.bpl [2021-10-25 07:52:27,767 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 07:52:27,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 07:52:27,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 07:52:27,767 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 07:52:27,790 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 07:52:27,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 07:52:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:27,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 07:52:27,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-25 07:52:27,863 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 07:52:27,868 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 07:52:27,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-25 07:52:28,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 07:52:28,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 07:52:28,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 07:52:28,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-25 07:52:28,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-25 07:52:28,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-25 07:52:28,632 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-25 07:52:28,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 07:52:28,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:28,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 07:52:28,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-25 07:52:28,647 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-25 07:52:28,647 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 07:52:28,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 07:52:28,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:52:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:52:28,787 INFO L82 PathProgramCache]: Analyzing trace with hash -819522834, now seen corresponding path program 1 times [2021-10-25 07:52:28,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:52:28,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581865600] [2021-10-25 07:52:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:28,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:52:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 07:52:28,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:52:28,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581865600] [2021-10-25 07:52:28,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581865600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:52:28,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:52:28,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 07:52:28,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801881535] [2021-10-25 07:52:28,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 07:52:28,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:52:28,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 07:52:28,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 07:52:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:28,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:52:28,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 07:52:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:29,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 07:52:29,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:52:29,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:52:29,091 INFO L82 PathProgramCache]: Analyzing trace with hash -135448575, now seen corresponding path program 1 times [2021-10-25 07:52:29,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:52:29,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425742522] [2021-10-25 07:52:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:29,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:52:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 07:52:29,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:52:29,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425742522] [2021-10-25 07:52:29,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425742522] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:29,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49915055] [2021-10-25 07:52:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:29,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:29,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:29,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 07:52:29,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 07:52:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:29,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-25 07:52:29,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:52:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 07:52:29,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49915055] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:29,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:52:29,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-25 07:52:29,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647177718] [2021-10-25 07:52:29,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-25 07:52:29,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:52:29,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-25 07:52:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-25 07:52:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:29,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:52:29,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 07:52:29,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:29,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:29,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 07:52:29,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:29,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:52:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:52:29,626 INFO L82 PathProgramCache]: Analyzing trace with hash -614211505, now seen corresponding path program 1 times [2021-10-25 07:52:29,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:52:29,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042218971] [2021-10-25 07:52:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:29,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:52:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-25 07:52:29,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:52:29,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042218971] [2021-10-25 07:52:29,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042218971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:29,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200396] [2021-10-25 07:52:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:29,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:29,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 07:52:29,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 07:52:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:29,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-25 07:52:29,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:52:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-25 07:52:29,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:29,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:52:29,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2021-10-25 07:52:29,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195766741] [2021-10-25 07:52:29,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 07:52:29,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:52:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 07:52:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-10-25 07:52:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:29,926 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:52:29,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 07:52:29,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:29,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:29,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:52:30,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 07:52:30,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:30,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:52:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:52:30,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1196071457, now seen corresponding path program 1 times [2021-10-25 07:52:30,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:52:30,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658126625] [2021-10-25 07:52:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:30,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:52:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-25 07:52:30,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:52:30,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658126625] [2021-10-25 07:52:30,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658126625] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:30,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400942498] [2021-10-25 07:52:30,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:30,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:30,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:30,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 07:52:30,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 07:52:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:30,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-25 07:52:30,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:52:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-25 07:52:30,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400942498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:30,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:52:30,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-10-25 07:52:30,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743707016] [2021-10-25 07:52:30,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 07:52:30,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:52:30,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 07:52:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-25 07:52:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:30,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:52:30,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 07:52:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:30,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:52:30,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:52:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:52:31,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 07:52:31,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:31,823 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:52:31,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:52:31,824 INFO L82 PathProgramCache]: Analyzing trace with hash 120757747, now seen corresponding path program 2 times [2021-10-25 07:52:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:52:31,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395795332] [2021-10-25 07:52:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:52:31,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:52:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:52:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-25 07:52:32,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:52:32,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395795332] [2021-10-25 07:52:32,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395795332] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:32,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184979331] [2021-10-25 07:52:32,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 07:52:32,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:32,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:52:32,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 07:52:32,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 07:52:32,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 07:52:32,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 07:52:32,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-25 07:52:32,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:52:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 41 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-25 07:52:32,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184979331] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:52:32,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:52:32,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2021-10-25 07:52:32,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604274441] [2021-10-25 07:52:32,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-25 07:52:32,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:52:32,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-25 07:52:32,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-10-25 07:52:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:32,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:52:32,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 07:52:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:52:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:52:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:52:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:52:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 07:52:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:52:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:52:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 07:52:33,079 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-25 07:52:33,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 07:52:33,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:52:33,296 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-25 07:52:33,297 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 07:52:33,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 07:52:33,299 INFO L202 PluginConnector]: Adding new model bluetooth-customized05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:52:33 BasicIcfg [2021-10-25 07:52:33,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 07:52:33,303 INFO L168 Benchmark]: Toolchain (without parser) took 5876.79 ms. Allocated memory was 211.8 MB in the beginning and 636.5 MB in the end (delta: 424.7 MB). Free memory was 176.3 MB in the beginning and 390.0 MB in the end (delta: -213.7 MB). Peak memory consumption was 213.2 MB. Max. memory is 8.0 GB. [2021-10-25 07:52:33,304 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 211.8 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 07:52:33,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 211.8 MB. Free memory was 176.2 MB in the beginning and 174.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 07:52:33,304 INFO L168 Benchmark]: Boogie Preprocessor took 9.23 ms. Allocated memory is still 211.8 MB. Free memory was 174.3 MB in the beginning and 173.4 MB in the end (delta: 917.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 07:52:33,304 INFO L168 Benchmark]: RCFGBuilder took 297.35 ms. Allocated memory is still 211.8 MB. Free memory was 173.4 MB in the beginning and 159.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-25 07:52:33,304 INFO L168 Benchmark]: TraceAbstraction took 5538.92 ms. Allocated memory was 211.8 MB in the beginning and 636.5 MB in the end (delta: 424.7 MB). Free memory was 158.7 MB in the beginning and 390.0 MB in the end (delta: -231.3 MB). Peak memory consumption was 194.4 MB. Max. memory is 8.0 GB. [2021-10-25 07:52:33,305 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 0.10 ms. Allocated memory is still 211.8 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 211.8 MB. Free memory was 176.2 MB in the beginning and 174.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.23 ms. Allocated memory is still 211.8 MB. Free memory was 174.3 MB in the beginning and 173.4 MB in the end (delta: 917.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 297.35 ms. Allocated memory is still 211.8 MB. Free memory was 173.4 MB in the beginning and 159.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5538.92 ms. Allocated memory was 211.8 MB in the beginning and 636.5 MB in the end (delta: 424.7 MB). Free memory was 158.7 MB in the beginning and 390.0 MB in the end (delta: -231.3 MB). Peak memory consumption was 194.4 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: 59842, positive: 52230, positive conditional: 51270, positive unconditional: 960, negative: 7612, negative conditional: 7573, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55720, positive: 52230, positive conditional: 0, positive unconditional: 52230, negative: 3490, negative conditional: 0, negative unconditional: 3490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 912, positive: 873, positive conditional: 0, positive unconditional: 873, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 912, positive: 782, positive conditional: 0, positive unconditional: 782, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55720, positive: 51357, positive conditional: 0, positive unconditional: 51357, negative: 3451, negative conditional: 0, negative unconditional: 3451, unknown: 912, unknown conditional: 0, unknown unconditional: 912] , Statistics on independence cache: Total cache size (in pairs): 912, Positive cache size: 873, Positive conditional cache size: 0, Positive unconditional cache size: 873, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Independence queries for same thread: 4122 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 443, Number of persistent set computation: 910, Number of trivial persistent sets: 583, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 59842, positive: 52230, positive conditional: 51270, positive unconditional: 960, negative: 7612, negative conditional: 7573, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55720, positive: 52230, positive conditional: 0, positive unconditional: 52230, negative: 3490, negative conditional: 0, negative unconditional: 3490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 912, positive: 873, positive conditional: 0, positive unconditional: 873, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 912, positive: 782, positive conditional: 0, positive unconditional: 782, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55720, positive: 51357, positive conditional: 0, positive unconditional: 51357, negative: 3451, negative conditional: 0, negative unconditional: 3451, unknown: 912, unknown conditional: 0, unknown unconditional: 912] , Statistics on independence cache: Total cache size (in pairs): 912, Positive cache size: 873, Positive conditional cache size: 0, Positive unconditional cache size: 873, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Independence queries for same thread: 4122 - 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: 623094, positive: 531908, positive conditional: 530873, positive unconditional: 1035, negative: 91186, negative conditional: 91143, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 586845, positive: 531908, positive conditional: 0, positive unconditional: 531908, negative: 54937, negative conditional: 0, negative unconditional: 54937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 972, positive: 929, positive conditional: 0, positive unconditional: 929, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 972, positive: 827, positive conditional: 0, positive unconditional: 827, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 586845, positive: 530979, positive conditional: 0, positive unconditional: 530979, negative: 54894, negative conditional: 0, negative unconditional: 54894, unknown: 972, unknown conditional: 0, unknown unconditional: 972] , Statistics on independence cache: Total cache size (in pairs): 972, Positive cache size: 929, Positive conditional cache size: 0, Positive unconditional cache size: 929, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Independence queries for same thread: 36249 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 306, Number of persistent set computation: 2562, Number of trivial persistent sets: 1936, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 623094, positive: 531908, positive conditional: 530873, positive unconditional: 1035, negative: 91186, negative conditional: 91143, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 586845, positive: 531908, positive conditional: 0, positive unconditional: 531908, negative: 54937, negative conditional: 0, negative unconditional: 54937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 972, positive: 929, positive conditional: 0, positive unconditional: 929, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 972, positive: 827, positive conditional: 0, positive unconditional: 827, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 586845, positive: 530979, positive conditional: 0, positive unconditional: 530979, negative: 54894, negative conditional: 0, negative unconditional: 54894, unknown: 972, unknown conditional: 0, unknown unconditional: 972] , Statistics on independence cache: Total cache size (in pairs): 972, Positive cache size: 929, Positive conditional cache size: 0, Positive unconditional cache size: 929, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Independence queries for same thread: 36249 - 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: 805.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 737.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4654.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 2297.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 27.6ms SsaConstructionTime, 106.1ms SatisfiabilityAnalysisTime, 1067.5ms InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 320 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 232/286 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-25 07:52:33,335 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 [2021-10-25 07:52:33,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 07:52:33,749 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...