/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-incorrect10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 02:40:06,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 02:40:06,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 02:40:06,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 02:40:06,427 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 02:40:06,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 02:40:06,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 02:40:06,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 02:40:06,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 02:40:06,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 02:40:06,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 02:40:06,469 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 02:40:06,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 02:40:06,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 02:40:06,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 02:40:06,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 02:40:06,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 02:40:06,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 02:40:06,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 02:40:06,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 02:40:06,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 02:40:06,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 02:40:06,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 02:40:06,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 02:40:06,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:40:06,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 02:40:06,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 02:40:06,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 02:40:06,473 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 02:40:06,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 02:40:06,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 02:40:06,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 02:40:06,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 02:40:06,474 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 02:40:06,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 02:40:06,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 02:40:06,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 02:40:06,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 02:40:06,823 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 02:40:06,826 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 02:40:06,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect10.bpl [2021-08-22 02:40:06,827 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect10.bpl' [2021-08-22 02:40:06,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 02:40:06,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 02:40:06,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 02:40:06,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 02:40:06,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 02:40:06,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 02:40:06,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 02:40:06,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 02:40:06,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 02:40:06,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 02:40:06,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 02:40:06,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 02:40:06,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 02:40:06,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/1) ... [2021-08-22 02:40:06,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 02:40:06,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:40:06,954 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 02:40:06,979 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 02:40:07,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 02:40:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 02:40:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 02:40:07,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 02:40:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 02:40:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 02:40:07,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 02:40:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 02:40:07,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 02:40:07,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 02:40:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 02:40:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 02:40:07,006 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 02:40:07,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 02:40:07,201 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 02:40:07,203 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:40:07 BoogieIcfgContainer [2021-08-22 02:40:07,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 02:40:07,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 02:40:07,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 02:40:07,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 02:40:07,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 02:40:06" (1/2) ... [2021-08-22 02:40:07,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22895850 and model type bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:40:07, skipping insertion in model container [2021-08-22 02:40:07,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:40:07" (2/2) ... [2021-08-22 02:40:07,230 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect10.bpl [2021-08-22 02:40:07,234 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 02:40:07,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 02:40:07,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 02:40:07,235 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 02:40:07,315 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 02:40:07,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 02:40:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:40:07,355 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 02:40:07,356 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 02:40:07,378 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 02:40:07,383 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 02:40:07,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-08-22 02:40:07,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-22 02:40:07,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:07,513 INFO L82 PathProgramCache]: Analyzing trace with hash 708648176, now seen corresponding path program 1 times [2021-08-22 02:40:07,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:07,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583429714] [2021-08-22 02:40:07,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:07,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:40:07,654 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 02:40:07,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:40:07,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583429714] [2021-08-22 02:40:07,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583429714] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:40:07,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:40:07,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 02:40:07,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328670153] [2021-08-22 02:40:07,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:40:07,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:40:07,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:40:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:40:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:07,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:40:07,683 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 02:40:07,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:09,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 02:40:09,415 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-22 02:40:09,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:09,418 INFO L82 PathProgramCache]: Analyzing trace with hash -54081609, now seen corresponding path program 1 times [2021-08-22 02:40:09,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:09,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023198020] [2021-08-22 02:40:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:09,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:40:09,466 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 02:40:09,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:40:09,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023198020] [2021-08-22 02:40:09,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023198020] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 02:40:09,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 02:40:09,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 02:40:09,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636620465] [2021-08-22 02:40:09,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 02:40:09,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:40:09,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 02:40:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 02:40:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:09,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:40:09,470 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 02:40:09,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:09,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:40:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:09,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:40:09,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 02:40:09,684 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-22 02:40:09,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:40:09,684 INFO L82 PathProgramCache]: Analyzing trace with hash -531069686, now seen corresponding path program 1 times [2021-08-22 02:40:09,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:40:09,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718488165] [2021-08-22 02:40:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:40:09,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:40:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:40:09,713 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 02:40:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 02:40:09,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 02:40:09,741 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 02:40:09,742 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:40:09,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:40:09,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:40:09,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:40:09,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:40:09,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 02:40:09,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 02:40:09,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 02:40:09,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 02:40:09,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 02:40:09,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 02:40:09,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 02:40:09,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10INUSE_VIOLATION [2021-08-22 02:40:09,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 02:40:09,763 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:40:09,764 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:40:09,786 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:40:09 BasicIcfg [2021-08-22 02:40:09,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:40:09,790 INFO L168 Benchmark]: Toolchain (without parser) took 2924.59 ms. Allocated memory was 160.4 MB in the beginning and 383.8 MB in the end (delta: 223.3 MB). Free memory was 139.7 MB in the beginning and 260.8 MB in the end (delta: -121.0 MB). Peak memory consumption was 104.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:09,791 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory was 140.9 MB in the beginning and 140.7 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:40:09,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 160.4 MB. Free memory was 139.6 MB in the beginning and 137.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:09,792 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 160.4 MB. Free memory was 137.8 MB in the beginning and 136.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:09,795 INFO L168 Benchmark]: RCFGBuilder took 275.50 ms. Allocated memory is still 160.4 MB. Free memory was 136.8 MB in the beginning and 121.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:09,796 INFO L168 Benchmark]: TraceAbstraction took 2562.59 ms. Allocated memory was 160.4 MB in the beginning and 383.8 MB in the end (delta: 223.3 MB). Free memory was 143.9 MB in the beginning and 260.8 MB in the end (delta: -116.8 MB). Peak memory consumption was 106.3 MB. Max. memory is 8.0 GB. [2021-08-22 02:40:09,801 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 160.4 MB. Free memory was 140.9 MB in the beginning and 140.7 MB in the end (delta: 167.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 160.4 MB. Free memory was 139.6 MB in the beginning and 137.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.87 ms. Allocated memory is still 160.4 MB. Free memory was 137.8 MB in the beginning and 136.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 275.50 ms. Allocated memory is still 160.4 MB. Free memory was 136.8 MB in the beginning and 121.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2562.59 ms. Allocated memory was 160.4 MB in the beginning and 383.8 MB in the end (delta: 223.3 MB). Free memory was 143.9 MB in the beginning and 260.8 MB in the end (delta: -116.8 MB). Peak memory consumption was 106.3 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: 230406, positive: 226168, positive conditional: 226168, positive unconditional: 0, negative: 4238, negative conditional: 4238, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226184, positive: 226168, positive conditional: 226168, 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: 226184, positive: 226168, positive conditional: 226168, 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: 226197, positive: 226168, positive conditional: 226067, 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: 226197, positive: 226168, positive conditional: 128102, positive unconditional: 98066, 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: 226197, positive: 226168, positive conditional: 128102, positive unconditional: 98066, 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: 609, positive: 604, positive conditional: 237, positive unconditional: 367, 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: 609, positive: 602, positive conditional: 0, positive unconditional: 602, 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: 76, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 72, negative conditional: 2, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 226197, positive: 225564, positive conditional: 127865, positive unconditional: 97699, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 609, unknown conditional: 238, unknown unconditional: 371] , Statistics on independence cache: Total cache size (in pairs): 609, Positive cache size: 604, Positive conditional cache size: 237, Positive unconditional cache size: 367, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 97975, Maximal queried relation: 2, Independence queries for same thread: 4222 - 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: 43]: 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] [L65] 2 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L87] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L97] 1 pendingIo := pendingIo - 1; [L98] COND TRUE 1 pendingIo == 0 [L99] 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] [L66] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L89] 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] [L90] 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] [L43] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - UnprovableResult [Line: 28]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 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. - 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: 29]: 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: 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 15 procedures, 92 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 2408.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 2051.9ms, 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: 11.8ms SsaConstructionTime, 43.5ms SatisfiabilityAnalysisTime, 89.3ms 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 02:40:09,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-22 02:40:10,044 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...