/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 21:37:15,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 21:37:15,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 21:37:15,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 21:37:15,530 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.epf [2021-08-21 21:37:15,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 21:37:15,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 21:37:15,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 21:37:15,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 21:37:15,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 21:37:15,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 21:37:15,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 21:37:15,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 21:37:15,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 21:37:15,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 21:37:15,556 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-21 21:37:15,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 21:37:15,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 21:37:15,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 21:37:15,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 21:37:15,800 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 21:37:15,801 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 21:37:15,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl [2021-08-21 21:37:15,802 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect08.bpl' [2021-08-21 21:37:15,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 21:37:15,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 21:37:15,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 21:37:15,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 21:37:15,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 21:37:15,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 21:37:15,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 21:37:15,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 21:37:15,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 21:37:15,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 21:37:15,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 21:37:15,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 21:37:15,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 21:37:15,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/1) ... [2021-08-21 21:37:15,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 21:37:15,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 21:37:15,882 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) [2021-08-21 21:37:15,895 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 [2021-08-21 21:37:15,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-21 21:37:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-21 21:37:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-21 21:37:15,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-21 21:37:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-21 21:37:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-21 21:37:15,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-21 21:37:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-21 21:37:15,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-21 21:37:15,919 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 21:37:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 21:37:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 21:37:15,920 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 21:37:16,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 21:37:16,175 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 21:37:16,177 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:37:16 BoogieIcfgContainer [2021-08-21 21:37:16,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 21:37:16,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 21:37:16,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 21:37:16,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 21:37:16,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 09:37:15" (1/2) ... [2021-08-21 21:37:16,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4926e434 and model type bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:37:16, skipping insertion in model container [2021-08-21 21:37:16,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:37:16" (2/2) ... [2021-08-21 21:37:16,182 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect08.bpl [2021-08-21 21:37:16,185 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 21:37:16,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 21:37:16,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 21:37:16,185 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 21:37:16,239 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 21:37:16,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-21 21:37:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 21:37:16,301 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) [2021-08-21 21:37:16,302 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 [2021-08-21 21:37:16,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 21:37:16,333 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 [2021-08-21 21:37:16,333 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-08-21 21:37:16,399 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-21 21:37:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 21:37:16,403 INFO L82 PathProgramCache]: Analyzing trace with hash -392205593, now seen corresponding path program 1 times [2021-08-21 21:37:16,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 21:37:16,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632228818] [2021-08-21 21:37:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 21:37:16,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 21:37:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 21:37:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 21:37:16,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 21:37:16,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632228818] [2021-08-21 21:37:16,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632228818] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 21:37:16,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 21:37:16,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 21:37:16,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507230024] [2021-08-21 21:37:16,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 21:37:16,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 21:37:16,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 21:37:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 21:37:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:16,506 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 21:37:16,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-08-21 21:37:16,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:16,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 21:37:16,821 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-21 21:37:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 21:37:16,822 INFO L82 PathProgramCache]: Analyzing trace with hash -693440289, now seen corresponding path program 1 times [2021-08-21 21:37:16,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 21:37:16,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456278699] [2021-08-21 21:37:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 21:37:16,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 21:37:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 21:37:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-08-21 21:37:16,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 21:37:16,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456278699] [2021-08-21 21:37:16,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456278699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 21:37:16,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 21:37:16,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 21:37:16,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149161679] [2021-08-21 21:37:16,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 21:37:16,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 21:37:16,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 21:37:16,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 21:37:16,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:16,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 21:37:16,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-08-21 21:37:16,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:16,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:16,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 21:37:16,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-21 21:37:16,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 21:37:16,992 INFO L82 PathProgramCache]: Analyzing trace with hash 574259259, now seen corresponding path program 1 times [2021-08-21 21:37:16,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 21:37:16,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870098081] [2021-08-21 21:37:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 21:37:16,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 21:37:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 21:37:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 41 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-21 21:37:17,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 21:37:17,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870098081] [2021-08-21 21:37:17,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870098081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 21:37:17,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865822808] [2021-08-21 21:37:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 21:37:17,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 21:37:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 21:37:17,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 21:37:17,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-21 21:37:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 21:37:17,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 149 conjunts are in the unsatisfiable core [2021-08-21 21:37:17,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 21:37:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-08-21 21:37:18,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865822808] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 21:37:18,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 21:37:18,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-21 21:37:18,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173155927] [2021-08-21 21:37:18,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 21:37:18,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 21:37:18,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 21:37:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-21 21:37:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:18,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 21:37:18,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.2) internal successors, (138), 14 states have internal predecessors, (138), 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) [2021-08-21 21:37:18,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:18,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:18,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 21:37:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 21:37:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 21:37:45,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-21 21:37:46,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-21 21:37:46,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 7 more)] === [2021-08-21 21:37:46,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 21:37:46,072 INFO L82 PathProgramCache]: Analyzing trace with hash -874470668, now seen corresponding path program 1 times [2021-08-21 21:37:46,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 21:37:46,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206752841] [2021-08-21 21:37:46,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 21:37:46,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 21:37:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 21:37:46,086 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-21 21:37:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 21:37:46,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-21 21:37:46,132 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-21 21:37:46,133 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 21:37:46,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 21:37:46,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 21:37:46,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 21:37:46,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 21:37:46,137 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-21 21:37:46,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-21 21:37:46,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-21 21:37:46,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-21 21:37:46,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-21 21:37:46,138 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-21 21:37:46,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 21:37:46,148 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 21:37:46,148 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 21:37:46,167 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:37:46 BasicIcfg [2021-08-21 21:37:46,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 21:37:46,168 INFO L168 Benchmark]: Toolchain (without parser) took 30345.87 ms. Allocated memory was 173.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 153.2 MB in the beginning and 6.2 GB in the end (delta: -6.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-08-21 21:37:46,168 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 173.0 MB. Free memory was 154.4 MB in the beginning and 154.3 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 21:37:46,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 173.0 MB. Free memory was 153.1 MB in the beginning and 151.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 21:37:46,169 INFO L168 Benchmark]: Boogie Preprocessor took 10.64 ms. Allocated memory is still 173.0 MB. Free memory was 151.3 MB in the beginning and 150.4 MB in the end (delta: 931.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 21:37:46,169 INFO L168 Benchmark]: RCFGBuilder took 316.64 ms. Allocated memory is still 173.0 MB. Free memory was 150.3 MB in the beginning and 135.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-21 21:37:46,170 INFO L168 Benchmark]: TraceAbstraction took 29988.67 ms. Allocated memory was 173.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 135.2 MB in the beginning and 6.2 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-08-21 21:37:46,171 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 0.12 ms. Allocated memory is still 173.0 MB. Free memory was 154.4 MB in the beginning and 154.3 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 173.0 MB. Free memory was 153.1 MB in the beginning and 151.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.64 ms. Allocated memory is still 173.0 MB. Free memory was 151.3 MB in the beginning and 150.4 MB in the end (delta: 931.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 316.64 ms. Allocated memory is still 173.0 MB. Free memory was 150.3 MB in the beginning and 135.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29988.67 ms. Allocated memory was 173.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 135.2 MB in the beginning and 6.2 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7602663, positive: 7543571, positive conditional: 7543571, positive unconditional: 0, negative: 59092, negative conditional: 59092, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7545652, positive: 7543571, positive conditional: 7543571, positive unconditional: 0, negative: 2081, negative conditional: 2081, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7545652, positive: 7543571, positive conditional: 7543571, positive unconditional: 0, negative: 2081, negative conditional: 2081, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7549657, positive: 7543571, positive conditional: 7543551, positive unconditional: 20, negative: 6086, negative conditional: 4005, negative unconditional: 2081, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7549657, positive: 7543571, positive conditional: 5577800, positive unconditional: 1965771, negative: 6086, negative conditional: 16, negative unconditional: 6070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7549657, positive: 7543571, positive conditional: 5577800, positive unconditional: 1965771, negative: 6086, negative conditional: 16, negative unconditional: 6070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1998, positive: 1940, positive conditional: 1400, positive unconditional: 540, negative: 58, negative conditional: 6, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1998, positive: 1353, positive conditional: 0, positive unconditional: 1353, negative: 645, negative conditional: 0, negative unconditional: 645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 645, positive: 587, positive conditional: 538, positive unconditional: 49, negative: 58, negative conditional: 6, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 858, positive: 743, positive conditional: 618, positive unconditional: 125, negative: 116, negative conditional: 6, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7549657, positive: 7541631, positive conditional: 5576400, positive unconditional: 1965231, negative: 6028, negative conditional: 10, negative unconditional: 6018, unknown: 1998, unknown conditional: 1406, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 1998, Positive cache size: 1940, Positive conditional cache size: 1400, Positive unconditional cache size: 540, Negative cache size: 58, Negative conditional cache size: 6, Negative unconditional cache size: 52, Eliminated conditions: 1969740, Maximal queried relation: 3, Independence queries for same thread: 57011 - 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] [L22] FORK 0 fork 2 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L23] FORK 0 fork 3 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L24] FORK 0 fork 4 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L25] FORK 0 fork 5 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L26] FORK 0 fork 6 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L27] FORK 0 fork 7 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L28] FORK 0 fork 8 DeviceThread(); VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 9 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 7 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 7 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L72] 7 pendingIo := pendingIo - 1; [L73] COND FALSE 7 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 8 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L72] 5 pendingIo := pendingIo - 1; [L73] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 6 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L64] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L72] 3 pendingIo := pendingIo - 1; [L73] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 4 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] [L64] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L64] 9 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L72] 9 pendingIo := pendingIo - 1; [L73] COND FALSE 9 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L64] 8 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L72] 8 pendingIo := pendingIo - 1; [L73] COND FALSE 8 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L64] 6 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L72] 6 pendingIo := pendingIo - 1; [L73] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L64] 4 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L72] 4 pendingIo := pendingIo - 1; [L73] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L87] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L88] 1 stopped := true; 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: 29845.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 27682.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 44.5ms SsaConstructionTime, 167.2ms SatisfiabilityAnalysisTime, 1497.9ms InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 1427 SizeOfPredicates, 1 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 395/489 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! [2021-08-21 21:37:46,196 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 [2021-08-21 21:37:46,396 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...