/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-incorrect09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 05:20:03,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 05:20:03,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 05:20:03,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 05:20:03,187 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 05:20:03,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 05:20:03,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 05:20:03,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 05:20:03,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 05:20:03,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 05:20:03,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 05:20:03,247 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 05:20:03,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 05:20:03,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 05:20:03,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 05:20:03,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 05:20:03,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 05:20:03,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 05:20:03,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 05:20:03,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 05:20:03,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 05:20:03,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 05:20:03,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 05:20:03,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:20:03,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 05:20:03,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 05:20:03,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 05:20:03,261 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 05:20:03,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 05:20:03,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 05:20:03,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 05:20:03,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 05:20:03,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 05:20:03,600 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 05:20:03,601 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 05:20:03,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl [2021-08-22 05:20:03,606 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl' [2021-08-22 05:20:03,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 05:20:03,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 05:20:03,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 05:20:03,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 05:20:03,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 05:20:03,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 05:20:03,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 05:20:03,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 05:20:03,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 05:20:03,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 05:20:03,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 05:20:03,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 05:20:03,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 05:20:03,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/1) ... [2021-08-22 05:20:03,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:20:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:20:03,730 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 05:20:03,732 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 05:20:03,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 05:20:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 05:20:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 05:20:03,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 05:20:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 05:20:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 05:20:03,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 05:20:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 05:20:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 05:20:03,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 05:20:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 05:20:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 05:20:03,768 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 05:20:04,028 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 05:20:04,028 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 05:20:04,030 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:20:04 BoogieIcfgContainer [2021-08-22 05:20:04,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 05:20:04,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 05:20:04,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 05:20:04,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 05:20:04,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:20:03" (1/2) ... [2021-08-22 05:20:04,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67160496 and model type bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:20:04, skipping insertion in model container [2021-08-22 05:20:04,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:20:04" (2/2) ... [2021-08-22 05:20:04,037 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect09.bpl [2021-08-22 05:20:04,041 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 05:20:04,041 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 05:20:04,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 05:20:04,041 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 05:20:04,096 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 05:20:04,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 05:20:04,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:20:04,135 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 05:20:04,137 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 05:20:04,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 05:20:04,324 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 05:20:04,324 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-08-22 05:20:14,123 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] === [2021-08-22 05:20:14,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:20:14,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1387061064, now seen corresponding path program 1 times [2021-08-22 05:20:14,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:20:14,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801636374] [2021-08-22 05:20:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:20:14,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:20:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:20:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-08-22 05:20:14,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:20:14,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801636374] [2021-08-22 05:20:14,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801636374] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:20:14,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:20:14,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 05:20:14,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245951986] [2021-08-22 05:20:14,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 05:20:14,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:20:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 05:20:14,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 05:20:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:20:14,267 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:20:14,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 05:20:14,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:22:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:22:40,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 05:22:40,786 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 8 more)] === [2021-08-22 05:22:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:22:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash 270404202, now seen corresponding path program 1 times [2021-08-22 05:22:40,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:22:40,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224090311] [2021-08-22 05:22:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:22:40,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:22:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 05:22:40,798 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 05:22:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 05:22:40,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 05:22:40,862 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 05:22:40,863 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:22:40,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:22:40,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 05:22:40,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 05:22:40,879 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 05:22:40,881 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 05:22:40,882 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 05:22:40,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 05:22:40,911 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 05:22:40,912 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 05:22:40,938 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:22:40 BasicIcfg [2021-08-22 05:22:40,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 05:22:40,942 INFO L168 Benchmark]: Toolchain (without parser) took 157310.66 ms. Allocated memory was 181.4 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 162.2 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-08-22 05:22:40,943 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 181.4 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 05:22:40,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.88 ms. Allocated memory is still 181.4 MB. Free memory was 162.1 MB in the beginning and 160.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:22:40,944 INFO L168 Benchmark]: Boogie Preprocessor took 16.29 ms. Allocated memory is still 181.4 MB. Free memory was 160.3 MB in the beginning and 159.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:22:40,944 INFO L168 Benchmark]: RCFGBuilder took 339.09 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 144.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-22 05:22:40,944 INFO L168 Benchmark]: TraceAbstraction took 156906.47 ms. Allocated memory was 181.4 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 143.7 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-08-22 05:22:40,946 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 0.14 ms. Allocated memory is still 181.4 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.88 ms. Allocated memory is still 181.4 MB. Free memory was 162.1 MB in the beginning and 160.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.29 ms. Allocated memory is still 181.4 MB. Free memory was 160.3 MB in the beginning and 159.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 339.09 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 144.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 156906.47 ms. Allocated memory was 181.4 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 143.7 MB in the beginning and 5.9 GB in the end (delta: -5.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42797459, positive: 37830527, positive conditional: 37830527, positive unconditional: 0, negative: 4966932, negative conditional: 4966932, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41311662, positive: 37830527, positive conditional: 37830527, positive unconditional: 0, negative: 3481135, negative conditional: 3481135, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 41311662, positive: 37830527, positive conditional: 37830527, positive unconditional: 0, negative: 3481135, negative conditional: 3481135, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43939591, positive: 37830527, positive conditional: 29781856, positive unconditional: 8048671, negative: 6109064, negative conditional: 2627929, negative unconditional: 3481135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43939591, positive: 37830527, positive conditional: 14840824, positive unconditional: 22989703, negative: 6109064, negative conditional: 0, negative unconditional: 6109064, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43939591, positive: 37830527, positive conditional: 14840824, positive unconditional: 22989703, negative: 6109064, negative conditional: 0, negative unconditional: 6109064, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1113, positive: 999, positive conditional: 123, positive unconditional: 876, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1113, positive: 923, positive conditional: 0, positive unconditional: 923, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 648, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 384, negative conditional: 0, negative unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43939591, positive: 37829528, positive conditional: 14840701, positive unconditional: 22988827, negative: 6108950, negative conditional: 0, negative unconditional: 6108950, unknown: 1113, unknown conditional: 123, unknown unconditional: 990] , Statistics on independence cache: Total cache size (in pairs): 1113, Positive cache size: 999, Positive conditional cache size: 123, Positive unconditional cache size: 876, Negative cache size: 114, Negative conditional cache size: 0, Negative unconditional cache size: 114, Eliminated conditions: 17568961, Maximal queried relation: 1, Independence queries for same thread: 1485797 - 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: 42]: 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] [L64] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L86] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L96] 1 pendingIo := pendingIo - 1; [L97] COND TRUE 1 pendingIo == 0 [L98] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L88] 1 assume stoppingEvent; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L89] 1 stopped := true; VAL [pendingIo=0, stopped=true, stoppingEvent=true, stoppingFlag=true] [L65] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L42] 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: 24]: 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: 28]: 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: 27]: 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: 25]: 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: 26]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 14 procedures, 86 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 156761.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.9ms, PartialOrderReductionTime: 156291.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 4.5ms SsaConstructionTime, 18.4ms SatisfiabilityAnalysisTime, 51.5ms InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 52/52 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 05:22:40,977 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 05:22:41,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...