/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-incorrect05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 02:39:53,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 02:39:53,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 02:39:53,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 02:39:53,323 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 02:39:53,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 02:39:53,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 02:39:53,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 02:39:53,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 02:39:53,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 02:39:53,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 02:39:53,362 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 02:39:53,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 02:39:53,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 02:39:53,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 02:39:53,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 02:39:53,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 02:39:53,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 02:39:53,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 02:39:53,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 02:39:53,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 02:39:53,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 02:39:53,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 02:39:53,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:39:53,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 02:39:53,366 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 02:39:53,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 02:39:53,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 02:39:53,367 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 02:39:53,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 02:39:53,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 02:39:53,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 02:39:53,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 02:39:53,702 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 02:39:53,703 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 02:39:53,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl [2021-08-22 02:39:53,704 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect05.bpl' [2021-08-22 02:39:53,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 02:39:53,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 02:39:53,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 02:39:53,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 02:39:53,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 02:39:53,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 02:39:53,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 02:39:53,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 02:39:53,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 02:39:53,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 02:39:53,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 02:39:53,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 02:39:53,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 02:39:53,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/1) ... [2021-08-22 02:39:53,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:39:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:39:53,822 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 02:39:53,846 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 02:39:53,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 02:39:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 02:39:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 02:39:53,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 02:39:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 02:39:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 02:39:53,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 02:39:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 02:39:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 02:39:53,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 02:39:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 02:39:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 02:39:53,867 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 02:39:54,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 02:39:54,178 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 02:39:54,181 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:39:54 BoogieIcfgContainer [2021-08-22 02:39:54,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 02:39:54,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 02:39:54,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 02:39:54,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 02:39:54,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:39:53" (1/2) ... [2021-08-22 02:39:54,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1895d139 and model type bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:39:54, skipping insertion in model container [2021-08-22 02:39:54,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:39:54" (2/2) ... [2021-08-22 02:39:54,188 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect05.bpl [2021-08-22 02:39:54,192 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 02:39:54,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 02:39:54,193 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 02:39:54,193 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 02:39:54,244 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 02:39:54,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 02:39:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:39:54,306 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 02:39:54,307 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 02:39:54,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 02:39:54,345 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 02:39:54,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-22 02:39:54,497 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2021-08-22 02:39:54,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:39:54,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1788098530, now seen corresponding path program 1 times [2021-08-22 02:39:54,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:39:54,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566825900] [2021-08-22 02:39:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:39:54,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:39:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:39:54,652 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 02:39:54,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:39:54,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566825900] [2021-08-22 02:39:54,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566825900] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:39:54,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:39:54,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 02:39:54,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953514118] [2021-08-22 02:39:54,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:39:54,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:39:54,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:39:54,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:39:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:39:54,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:39:54,673 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 02:39:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:39:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:39:54,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 02:39:54,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2021-08-22 02:39:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:39:54,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1605990489, now seen corresponding path program 1 times [2021-08-22 02:39:54,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:39:54,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066713750] [2021-08-22 02:39:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:39:54,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:39:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:39:54,806 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 02:39:54,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:39:54,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066713750] [2021-08-22 02:39:54,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066713750] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:39:54,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:39:54,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 02:39:54,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151074616] [2021-08-22 02:39:54,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:39:54,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:39:54,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:39:54,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:39:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:39:54,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:39:54,810 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 02:39:54,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:39:54,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:39:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:39:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:39:54,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 02:39:54,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2021-08-22 02:39:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:39:54,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1873802208, now seen corresponding path program 1 times [2021-08-22 02:39:54,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:39:54,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843197469] [2021-08-22 02:39:54,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:39:54,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:39:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:39:54,840 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 02:39:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:39:54,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 02:39:54,858 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 02:39:54,858 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:39:54,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:39:54,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:39:54,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:39:54,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:39:54,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 02:39:54,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 02:39:54,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 02:39:54,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 02:39:54,869 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:39:54,870 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:39:54,881 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:39:54 BasicIcfg [2021-08-22 02:39:54,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:39:54,883 INFO L168 Benchmark]: Toolchain (without parser) took 1155.44 ms. Allocated memory is still 180.4 MB. Free memory was 161.1 MB in the beginning and 135.0 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:39:54,883 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 180.4 MB. Free memory is still 162.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:39:54,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 180.4 MB. Free memory was 161.1 MB in the beginning and 159.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:39:54,884 INFO L168 Benchmark]: Boogie Preprocessor took 17.15 ms. Allocated memory is still 180.4 MB. Free memory was 159.2 MB in the beginning and 158.3 MB in the end (delta: 910.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 02:39:54,885 INFO L168 Benchmark]: RCFGBuilder took 399.46 ms. Allocated memory is still 180.4 MB. Free memory was 158.3 MB in the beginning and 143.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 02:39:54,885 INFO L168 Benchmark]: TraceAbstraction took 698.82 ms. Allocated memory is still 180.4 MB. Free memory was 143.3 MB in the beginning and 135.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2021-08-22 02:39:54,887 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 180.4 MB. Free memory is still 162.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 180.4 MB. Free memory was 161.1 MB in the beginning and 159.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.15 ms. Allocated memory is still 180.4 MB. Free memory was 159.2 MB in the beginning and 158.3 MB in the end (delta: 910.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 399.46 ms. Allocated memory is still 180.4 MB. Free memory was 158.3 MB in the beginning and 143.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 698.82 ms. Allocated memory is still 180.4 MB. Free memory was 143.3 MB in the beginning and 135.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.9 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: 3495, positive: 3349, positive conditional: 3349, positive unconditional: 0, negative: 146, negative conditional: 146, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3365, positive: 3349, positive conditional: 3349, 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: 3365, positive: 3349, positive conditional: 3349, 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: 3378, positive: 3349, positive conditional: 3248, 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: 3378, positive: 3349, positive conditional: 1656, positive unconditional: 1693, 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: 3378, positive: 3349, positive conditional: 1656, positive unconditional: 1693, 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: 219, positive: 214, positive conditional: 67, positive unconditional: 147, 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: 219, positive: 212, positive conditional: 0, positive unconditional: 212, 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: 71, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 63, negative conditional: 1, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3378, positive: 3135, positive conditional: 1589, positive unconditional: 1546, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 219, unknown conditional: 68, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 214, Positive conditional cache size: 67, Positive unconditional cache size: 147, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 1602, Maximal queried relation: 2, Independence queries for same thread: 130 - 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: 38]: 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] [L60] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L82] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L92] 1 pendingIo := pendingIo - 1; [L93] COND TRUE 1 pendingIo == 0 [L94] 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] [L61] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L84] 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] [L85] 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] [L38] 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: 21]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 10 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 569.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.2ms, PartialOrderReductionTime: 258.0ms, 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: 6.5ms SsaConstructionTime, 36.8ms SatisfiabilityAnalysisTime, 58.9ms 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 02:39:54,915 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 02:39:55,121 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...