/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 10:32:27,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 10:32:27,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 10:32:27,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 10:32:27,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random7777.epf [2021-08-22 10:32:27,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 10:32:27,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 10:32:27,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 10:32:27,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 10:32:27,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 10:32:27,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 10:32:27,929 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 10:32:27,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 10:32:27,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 10:32:27,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 10:32:27,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 10:32:27,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 10:32:27,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 10:32:27,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 10:32:27,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 10:32:27,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 10:32:27,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 10:32:27,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 10:32:27,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 10:32:27,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 10:32:27,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 10:32:27,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 10:32:27,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 10:32:27,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 10:32:27,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 10:32:27,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 10:32:27,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 10:32:27,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 10:32:27,934 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 10:32:27,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 10:32:27,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 10:32:27,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 10:32:27,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 10:32:27,935 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 10:32:27,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 10:32:27,935 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 10:32:28,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 10:32:28,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 10:32:28,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 10:32:28,328 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 10:32:28,330 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 10:32:28,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect06.bpl [2021-08-22 10:32:28,331 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect06.bpl' [2021-08-22 10:32:28,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 10:32:28,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 10:32:28,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 10:32:28,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 10:32:28,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 10:32:28,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 10:32:28,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 10:32:28,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 10:32:28,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 10:32:28,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 10:32:28,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 10:32:28,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 10:32:28,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 10:32:28,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/1) ... [2021-08-22 10:32:28,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 10:32:28,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 10:32:28,462 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 10:32:28,486 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 10:32:28,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 10:32:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 10:32:28,503 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 10:32:28,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 10:32:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 10:32:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 10:32:28,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 10:32:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 10:32:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 10:32:28,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 10:32:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 10:32:28,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 10:32:28,506 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 10:32:28,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 10:32:28,748 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 10:32:28,750 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:32:28 BoogieIcfgContainer [2021-08-22 10:32:28,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 10:32:28,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 10:32:28,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 10:32:28,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 10:32:28,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 10:32:28" (1/2) ... [2021-08-22 10:32:28,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fef8db and model type bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:32:28, skipping insertion in model container [2021-08-22 10:32:28,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:32:28" (2/2) ... [2021-08-22 10:32:28,757 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect06.bpl [2021-08-22 10:32:28,789 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 10:32:28,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 10:32:28,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 10:32:28,790 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 10:32:28,878 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 10:32:28,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 10:32:28,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 10:32:28,942 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 10:32:28,959 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 10:32:28,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 10:32:28,978 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 10:32:28,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-22 10:32:29,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2021-08-22 10:32:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 10:32:29,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1502091981, now seen corresponding path program 1 times [2021-08-22 10:32:29,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 10:32:29,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441347795] [2021-08-22 10:32:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 10:32:29,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 10:32:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 10:32:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 10:32:29,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 10:32:29,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441347795] [2021-08-22 10:32:29,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441347795] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 10:32:29,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 10:32:29,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 10:32:29,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127834541] [2021-08-22 10:32:29,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 10:32:29,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 10:32:29,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 10:32:29,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 10:32:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 10:32:29,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 10:32:29,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 10:32:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 10:32:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 10:32:29,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 10:32:29,674 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2021-08-22 10:32:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 10:32:29,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1324679851, now seen corresponding path program 1 times [2021-08-22 10:32:29,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 10:32:29,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418574162] [2021-08-22 10:32:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 10:32:29,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 10:32:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 10:32:29,695 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 10:32:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 10:32:29,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 10:32:29,733 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 10:32:29,734 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 10:32:29,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 10:32:29,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 10:32:29,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 10:32:29,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 10:32:29,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 10:32:29,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 10:32:29,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 10:32:29,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 10:32:29,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 10:32:29,751 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 10:32:29,751 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 10:32:29,776 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:32:29 BasicIcfg [2021-08-22 10:32:29,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 10:32:29,778 INFO L168 Benchmark]: Toolchain (without parser) took 1410.77 ms. Allocated memory is still 182.5 MB. Free memory was 162.9 MB in the beginning and 112.6 MB in the end (delta: 50.3 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2021-08-22 10:32:29,779 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 182.5 MB. Free memory was 164.1 MB in the beginning and 164.0 MB in the end (delta: 131.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 10:32:29,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 182.5 MB. Free memory was 162.9 MB in the beginning and 161.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 10:32:29,780 INFO L168 Benchmark]: Boogie Preprocessor took 17.98 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 160.1 MB in the end (delta: 916.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 10:32:29,780 INFO L168 Benchmark]: RCFGBuilder took 323.27 ms. Allocated memory is still 182.5 MB. Free memory was 160.1 MB in the beginning and 145.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 10:32:29,781 INFO L168 Benchmark]: TraceAbstraction took 1024.45 ms. Allocated memory is still 182.5 MB. Free memory was 145.0 MB in the beginning and 112.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 8.0 GB. [2021-08-22 10:32:29,785 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 0.16 ms. Allocated memory is still 182.5 MB. Free memory was 164.1 MB in the beginning and 164.0 MB in the end (delta: 131.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.32 ms. Allocated memory is still 182.5 MB. Free memory was 162.9 MB in the beginning and 161.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.98 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 160.1 MB in the end (delta: 916.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 323.27 ms. Allocated memory is still 182.5 MB. Free memory was 160.1 MB in the beginning and 145.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1024.45 ms. Allocated memory is still 182.5 MB. Free memory was 145.0 MB in the beginning and 112.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 33.1 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: 13072, positive: 12025, positive conditional: 12025, positive unconditional: 0, negative: 1047, negative conditional: 1047, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12061, positive: 12025, positive conditional: 12025, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12061, positive: 12025, positive conditional: 12025, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12073, positive: 12025, positive conditional: 11859, positive unconditional: 166, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12073, positive: 12025, positive conditional: 8594, positive unconditional: 3431, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12073, positive: 12025, positive conditional: 8594, positive unconditional: 3431, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 252, positive: 243, positive conditional: 72, positive unconditional: 171, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12073, positive: 11782, positive conditional: 8522, positive unconditional: 3260, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 252, unknown conditional: 72, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 243, Positive conditional cache size: 72, Positive unconditional cache size: 171, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 3277, Maximal queried relation: 1, Independence queries for same thread: 1011 - 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: 39]: 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] [L61] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L83] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L26] FORK 0 fork 6 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L93] 1 pendingIo := pendingIo - 1; [L94] COND TRUE 1 pendingIo == 0 [L95] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L85] 1 assume stoppingEvent; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L86] 1 stopped := true; VAL [pendingIo=0, stopped=true, stoppingEvent=true, stoppingFlag=true] [L62] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L39] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - 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: 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: 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: 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 11 procedures, 68 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 811.6ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.1ms, PartialOrderReductionTime: 499.1ms, 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: 9.2ms SsaConstructionTime, 31.2ms SatisfiabilityAnalysisTime, 56.0ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1/1 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 10:32:29,822 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 10:32:30,034 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...