/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 05:19:53,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 05:19:53,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 05:19:53,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 05:19:53,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 05:19:53,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 05:19:53,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 05:19:53,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 05:19:53,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 05:19:53,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 05:19:53,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 05:19:53,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 05:19:53,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 05:19:53,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 05:19:53,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 05:19:53,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 05:19:53,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 05:19:53,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 05:19:53,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 05:19:53,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 05:19:53,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 05:19:53,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 05:19:53,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 05:19:53,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 05:19:53,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 05:19:53,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 05:19:53,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 05:19:53,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 05:19:53,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 05:19:53,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 05:19:53,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 05:19:53,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 05:19:53,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 05:19:53,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 05:19:53,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 05:19:53,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 05:19:53,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 05:19:53,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 05:19:53,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 05:19:53,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 05:19:53,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 05:19:53,706 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-Random42.epf [2021-08-22 05:19:53,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 05:19:53,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 05:19:53,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 05:19:53,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 05:19:53,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 05:19:53,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 05:19:53,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 05:19:53,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 05:19:53,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:19:53,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 05:19:53,728 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 05:19:53,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 05:19:53,729 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 05:19:53,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 05:19:53,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 05:19:53,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 05:19:53,993 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 05:19:53,994 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 05:19:53,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect04.bpl [2021-08-22 05:19:53,995 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect04.bpl' [2021-08-22 05:19:54,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 05:19:54,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 05:19:54,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 05:19:54,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 05:19:54,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 05:19:54,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 05:19:54,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 05:19:54,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 05:19:54,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 05:19:54,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 05:19:54,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 05:19:54,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 05:19:54,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 05:19:54,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/1) ... [2021-08-22 05:19:54,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:19:54,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:54,088 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) [2021-08-22 05:19:54,089 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 [2021-08-22 05:19:54,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 05:19:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 05:19:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 05:19:54,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 05:19:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 05:19:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 05:19:54,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 05:19:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 05:19:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 05:19:54,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 05:19:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 05:19:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 05:19:54,115 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 05:19:54,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 05:19:54,260 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 05:19:54,262 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:19:54 BoogieIcfgContainer [2021-08-22 05:19:54,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 05:19:54,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 05:19:54,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 05:19:54,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 05:19:54,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:54" (1/2) ... [2021-08-22 05:19:54,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ba2ee6 and model type bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:19:54, skipping insertion in model container [2021-08-22 05:19:54,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:19:54" (2/2) ... [2021-08-22 05:19:54,267 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect04.bpl [2021-08-22 05:19:54,270 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 05:19:54,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 05:19:54,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 05:19:54,270 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 05:19:54,309 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 05:19:54,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 05:19:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:54,339 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) [2021-08-22 05:19:54,368 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 [2021-08-22 05:19:54,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 05:19:54,424 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 [2021-08-22 05:19:54,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-22 05:19:54,495 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-22 05:19:54,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:54,503 INFO L82 PathProgramCache]: Analyzing trace with hash -670902013, now seen corresponding path program 1 times [2021-08-22 05:19:54,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:54,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052236826] [2021-08-22 05:19:54,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:54,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 05:19:54,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:54,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052236826] [2021-08-22 05:19:54,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052236826] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:19:54,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:19:54,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 05:19:54,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723211032] [2021-08-22 05:19:54,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 05:19:54,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:54,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 05:19:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 05:19:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:54,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:54,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 05:19:54,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:54,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 05:19:54,756 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-22 05:19:54,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:54,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1926355437, now seen corresponding path program 1 times [2021-08-22 05:19:54,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:54,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348596260] [2021-08-22 05:19:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:54,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 05:19:54,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:54,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348596260] [2021-08-22 05:19:54,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348596260] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:19:54,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:19:54,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 05:19:54,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833499362] [2021-08-22 05:19:54,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 05:19:54,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 05:19:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-22 05:19:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:54,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:54,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 05:19:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 05:19:55,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 05:19:55,077 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-22 05:19:55,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:55,077 INFO L82 PathProgramCache]: Analyzing trace with hash 656868004, now seen corresponding path program 1 times [2021-08-22 05:19:55,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:55,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432662526] [2021-08-22 05:19:55,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:55,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 05:19:55,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:55,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432662526] [2021-08-22 05:19:55,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432662526] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:19:55,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:19:55,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 05:19:55,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614713420] [2021-08-22 05:19:55,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 05:19:55,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 05:19:55,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 05:19:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:55,100 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-08-22 05:19:55,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 05:19:55,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 05:19:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 05:19:55,499 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-22 05:19:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:55,499 INFO L82 PathProgramCache]: Analyzing trace with hash 821143858, now seen corresponding path program 1 times [2021-08-22 05:19:55,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:55,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394268266] [2021-08-22 05:19:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:55,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 05:19:55,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:55,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394268266] [2021-08-22 05:19:55,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394268266] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 05:19:55,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912742550] [2021-08-22 05:19:55,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:55,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:19:55,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:55,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 05:19:55,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 05:19:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:55,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-22 05:19:55,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 05:19:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 05:19:55,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912742550] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 05:19:55,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 05:19:55,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-22 05:19:55,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522393345] [2021-08-22 05:19:55,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 05:19:55,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:55,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 05:19:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-22 05:19:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:55,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:55,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 12 states have internal predecessors, (51), 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) [2021-08-22 05:19:55,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 05:19:55,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:55,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 05:19:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 05:19:56,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 05:19:56,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-22 05:19:56,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-22 05:19:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1669297932, now seen corresponding path program 2 times [2021-08-22 05:19:56,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:56,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407623618] [2021-08-22 05:19:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:56,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 05:19:56,409 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 05:19:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 05:19:56,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 05:19:56,444 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 05:19:56,444 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 05:19:56,446 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 05:19:56,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 05:19:56,453 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 05:19:56,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 05:19:56,463 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:19:56 BasicIcfg [2021-08-22 05:19:56,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 05:19:56,464 INFO L168 Benchmark]: Toolchain (without parser) took 2443.11 ms. Allocated memory was 206.6 MB in the beginning and 277.9 MB in the end (delta: 71.3 MB). Free memory was 186.6 MB in the beginning and 247.7 MB in the end (delta: -61.1 MB). Peak memory consumption was 125.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:19:56,464 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 05:19:56,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 206.6 MB. Free memory was 186.6 MB in the beginning and 184.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 05:19:56,465 INFO L168 Benchmark]: Boogie Preprocessor took 13.22 ms. Allocated memory is still 206.6 MB. Free memory was 184.7 MB in the beginning and 183.8 MB in the end (delta: 900.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:19:56,465 INFO L168 Benchmark]: RCFGBuilder took 193.61 ms. Allocated memory is still 206.6 MB. Free memory was 183.6 MB in the beginning and 169.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 05:19:56,466 INFO L168 Benchmark]: TraceAbstraction took 2199.72 ms. Allocated memory was 206.6 MB in the beginning and 277.9 MB in the end (delta: 71.3 MB). Free memory was 168.7 MB in the beginning and 247.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 107.2 MB. Max. memory is 8.0 GB. [2021-08-22 05:19:56,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 206.6 MB. Free memory was 186.6 MB in the beginning and 184.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.22 ms. Allocated memory is still 206.6 MB. Free memory was 184.7 MB in the beginning and 183.8 MB in the end (delta: 900.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 193.61 ms. Allocated memory is still 206.6 MB. Free memory was 183.6 MB in the beginning and 169.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2199.72 ms. Allocated memory was 206.6 MB in the beginning and 277.9 MB in the end (delta: 71.3 MB). Free memory was 168.7 MB in the beginning and 247.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 107.2 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: 48814, positive: 46302, positive conditional: 46302, positive unconditional: 0, negative: 2512, negative conditional: 2512, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47140, positive: 46302, positive conditional: 46302, positive unconditional: 0, negative: 838, negative conditional: 838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 47140, positive: 46302, positive conditional: 46302, positive unconditional: 0, negative: 838, negative conditional: 838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49758, positive: 46302, positive conditional: 46266, positive unconditional: 36, negative: 3456, negative conditional: 2618, negative unconditional: 838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49758, positive: 46302, positive conditional: 25750, positive unconditional: 20552, negative: 3456, negative conditional: 407, negative unconditional: 3049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49758, positive: 46302, positive conditional: 25750, positive unconditional: 20552, negative: 3456, negative conditional: 407, negative unconditional: 3049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, positive: 550, positive conditional: 312, positive unconditional: 238, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 590, positive: 445, positive conditional: 0, positive unconditional: 445, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 145, positive: 105, positive conditional: 84, positive unconditional: 21, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 301, positive conditional: 187, positive unconditional: 114, negative: 88, negative conditional: 31, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49758, positive: 45752, positive conditional: 25438, positive unconditional: 20314, negative: 3416, negative conditional: 391, negative unconditional: 3025, unknown: 590, unknown conditional: 328, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 590, Positive cache size: 550, Positive conditional cache size: 312, Positive unconditional cache size: 238, Negative cache size: 40, Negative conditional cache size: 16, Negative unconditional cache size: 24, Eliminated conditions: 22727, Maximal queried relation: 4, Independence queries for same thread: 1674 - 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 - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 pendingIo := 1; VAL [pendingIo=1] [L15] 0 stopped := false; VAL [pendingIo=1, stopped=false] [L16] 0 stoppingEvent := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false] [L17] 0 stoppingFlag := false; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L19] FORK 0 fork 0 ServerThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L21] FORK 0 fork 1 DeviceThreadWithAssert(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L59] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L59] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L60] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L59] 4 assume !stoppingFlag; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L81] 1 stoppingFlag := true; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=true] [L91] 1 pendingIo := pendingIo - 1; [L92] COND FALSE 1 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L60] 4 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=true] [L68] 5 pendingIo := pendingIo - 1; [L69] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L68] 4 pendingIo := pendingIo - 1; [L69] COND TRUE 4 pendingIo == 0 [L70] 4 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L60] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L83] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L84] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L37] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - UnprovableResult [Line: 21]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2115.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 994.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 16.6ms SsaConstructionTime, 65.6ms SatisfiabilityAnalysisTime, 543.6ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 1 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 16/20 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 RESULT: Ultimate proved your program to be incorrect! [2021-08-22 05:19:56,490 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 [2021-08-22 05:19:56,695 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...