/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 02:40:01,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 02:40:01,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 02:40:01,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 02:40:01,321 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-Lockstep.epf [2021-08-22 02:40:01,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 02:40:01,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 02:40:01,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 02:40:01,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 02:40:01,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 02:40:01,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 02:40:01,370 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 02:40:01,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 02:40:01,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 02:40:01,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 02:40:01,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 02:40:01,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 02:40:01,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 02:40:01,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 02:40:01,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 02:40:01,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 02:40:01,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 02:40:01,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:40:01,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 02:40:01,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 02:40:01,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 02:40:01,375 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 02:40:01,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 02:40:01,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 02:40:01,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 02:40:01,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 02:40:01,717 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 02:40:01,718 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 02:40:01,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl [2021-08-22 02:40:01,719 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl' [2021-08-22 02:40:01,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 02:40:01,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 02:40:01,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 02:40:01,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 02:40:01,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 02:40:01,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 02:40:01,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 02:40:01,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 02:40:01,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 02:40:01,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 02:40:01,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 02:40:01,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 02:40:01,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 02:40:01,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/1) ... [2021-08-22 02:40:01,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:40:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:40:01,838 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 02:40:01,846 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 02:40:01,878 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 02:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 02:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 02:40:01,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 02:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 02:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 02:40:01,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 02:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 02:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 02:40:01,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 02:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 02:40:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 02:40:01,880 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 02:40:02,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 02:40:02,143 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 02:40:02,145 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:40:02 BoogieIcfgContainer [2021-08-22 02:40:02,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 02:40:02,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 02:40:02,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 02:40:02,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 02:40:02,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:01" (1/2) ... [2021-08-22 02:40:02,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236ca0d0 and model type bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:40:02, skipping insertion in model container [2021-08-22 02:40:02,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:40:02" (2/2) ... [2021-08-22 02:40:02,164 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect08.bpl [2021-08-22 02:40:02,168 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 02:40:02,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 02:40:02,169 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 02:40:02,169 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 02:40:02,255 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 02:40:02,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 02:40:02,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:40:02,318 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 02:40:02,339 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 02:40:02,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 02:40:02,362 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 02:40:02,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-08-22 02:40:02,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-22 02:40:02,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:02,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1485270046, now seen corresponding path program 1 times [2021-08-22 02:40:02,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:02,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245922041] [2021-08-22 02:40:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:02,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:40:02,716 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 02:40:02,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:40:02,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245922041] [2021-08-22 02:40:02,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245922041] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:40:02,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:40:02,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 02:40:02,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752219575] [2021-08-22 02:40:02,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:40:02,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:40:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:40:02,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:40:02,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:02,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:40:02,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 02:40:02,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:03,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:03,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 02:40:03,264 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-22 02:40:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:03,267 INFO L82 PathProgramCache]: Analyzing trace with hash -580592835, now seen corresponding path program 1 times [2021-08-22 02:40:03,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:03,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043405242] [2021-08-22 02:40:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:03,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:40:03,318 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 02:40:03,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:40:03,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043405242] [2021-08-22 02:40:03,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043405242] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:40:03,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:40:03,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 02:40:03,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226959358] [2021-08-22 02:40:03,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:40:03,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:40:03,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:40:03,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:40:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:03,322 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:40:03,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 02:40:03,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:03,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:03,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 02:40:03,405 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-22 02:40:03,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:03,405 INFO L82 PathProgramCache]: Analyzing trace with hash -606688572, now seen corresponding path program 1 times [2021-08-22 02:40:03,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:03,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838774917] [2021-08-22 02:40:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:03,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:40:03,425 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 02:40:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:40:03,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 02:40:03,455 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 02:40:03,456 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:40:03,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:40:03,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:40:03,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:40:03,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:40:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 02:40:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 02:40:03,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 02:40:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 02:40:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 02:40:03,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 02:40:03,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 02:40:03,474 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:40:03,475 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:40:03,497 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:40:03 BasicIcfg [2021-08-22 02:40:03,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:40:03,499 INFO L168 Benchmark]: Toolchain (without parser) took 1745.97 ms. Allocated memory is still 204.5 MB. Free memory was 185.8 MB in the beginning and 117.9 MB in the end (delta: 67.9 MB). Peak memory consumption was 69.5 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:03,501 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 204.5 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:40:03,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.43 ms. Allocated memory is still 204.5 MB. Free memory was 185.8 MB in the beginning and 183.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:03,502 INFO L168 Benchmark]: Boogie Preprocessor took 20.05 ms. Allocated memory is still 204.5 MB. Free memory was 183.9 MB in the beginning and 182.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:03,503 INFO L168 Benchmark]: RCFGBuilder took 335.51 ms. Allocated memory is still 204.5 MB. Free memory was 182.8 MB in the beginning and 168.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:03,505 INFO L168 Benchmark]: TraceAbstraction took 1351.37 ms. Allocated memory is still 204.5 MB. Free memory was 167.5 MB in the beginning and 117.9 MB in the end (delta: 49.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:03,509 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 0.18 ms. Allocated memory is still 204.5 MB. Free memory is still 186.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.43 ms. Allocated memory is still 204.5 MB. Free memory was 185.8 MB in the beginning and 183.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.05 ms. Allocated memory is still 204.5 MB. Free memory was 183.9 MB in the beginning and 182.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 335.51 ms. Allocated memory is still 204.5 MB. Free memory was 182.8 MB in the beginning and 168.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1351.37 ms. Allocated memory is still 204.5 MB. Free memory was 167.5 MB in the beginning and 117.9 MB in the end (delta: 49.6 MB). Peak memory consumption was 50.6 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: 46822, positive: 45752, positive conditional: 45752, positive unconditional: 0, negative: 1070, negative conditional: 1070, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45768, positive: 45752, positive conditional: 45752, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 45768, positive: 45752, positive conditional: 45752, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45781, positive: 45752, positive conditional: 45651, positive unconditional: 101, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45781, positive: 45752, positive conditional: 26070, positive unconditional: 19682, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45781, positive: 45752, positive conditional: 26070, positive unconditional: 19682, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 423, positive: 418, positive conditional: 157, positive unconditional: 261, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 423, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 83, negative conditional: 5, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45781, positive: 45334, positive conditional: 25913, positive unconditional: 19421, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 423, unknown conditional: 158, unknown unconditional: 265] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 418, Positive conditional cache size: 157, Positive unconditional cache size: 261, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 19591, Maximal queried relation: 2, Independence queries for same thread: 1054 - 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: 41]: 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] [L63] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L85] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L95] 1 pendingIo := pendingIo - 1; [L96] COND TRUE 1 pendingIo == 0 [L97] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L64] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L87] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L88] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L41] 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: 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: 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: 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: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 80 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1158.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.6ms, PartialOrderReductionTime: 765.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 6.6ms SsaConstructionTime, 27.9ms SatisfiabilityAnalysisTime, 85.4ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 02:40:03,553 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 02:40:03,764 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...