/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 00:11:19,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 00:11:19,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 00:11:19,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 00:11:19,839 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-Symm.epf [2021-08-22 00:11:19,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 00:11:19,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 00:11:19,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 00:11:19,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 00:11:19,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 00:11:19,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 00:11:19,875 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 00:11:19,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 00:11:19,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 00:11:19,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 00:11:19,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 00:11:19,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 00:11:19,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 00:11:19,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 00:11:19,878 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 00:11:19,879 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-08-22 00:11:19,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 00:11:20,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 00:11:20,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 00:11:20,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 00:11:20,153 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 00:11:20,154 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 00:11:20,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl [2021-08-22 00:11:20,155 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect07.bpl' [2021-08-22 00:11:20,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 00:11:20,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 00:11:20,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 00:11:20,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 00:11:20,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 00:11:20,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 00:11:20,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 00:11:20,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 00:11:20,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 00:11:20,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 00:11:20,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 00:11:20,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 00:11:20,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 00:11:20,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/1) ... [2021-08-22 00:11:20,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 00:11:20,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 00:11:20,244 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 00:11:20,253 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 00:11:20,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 00:11:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 00:11:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 00:11:20,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 00:11:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 00:11:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 00:11:20,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 00:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 00:11:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 00:11:20,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 00:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 00:11:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 00:11:20,285 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 00:11:20,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 00:11:20,432 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 00:11:20,433 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:11:20 BoogieIcfgContainer [2021-08-22 00:11:20,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 00:11:20,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 00:11:20,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 00:11:20,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 00:11:20,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:11:20" (1/2) ... [2021-08-22 00:11:20,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aef7b and model type bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:11:20, skipping insertion in model container [2021-08-22 00:11:20,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:11:20" (2/2) ... [2021-08-22 00:11:20,439 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect07.bpl [2021-08-22 00:11:20,442 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 00:11:20,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 00:11:20,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 00:11:20,442 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 00:11:20,476 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 00:11:20,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 00:11:20,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 00:11:20,506 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 00:11:20,532 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 00:11:20,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 00:11:20,553 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 00:11:20,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-08-22 00:11:20,684 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2021-08-22 00:11:20,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:11:20,688 INFO L82 PathProgramCache]: Analyzing trace with hash -2140832284, now seen corresponding path program 1 times [2021-08-22 00:11:20,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:11:20,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855391401] [2021-08-22 00:11:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:11:20,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:11:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:11:20,826 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 00:11:20,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:11:20,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855391401] [2021-08-22 00:11:20,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855391401] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:11:20,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:11:20,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 00:11:20,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202017656] [2021-08-22 00:11:20,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 00:11:20,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:11:20,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 00:11:20,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 00:11:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:20,849 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:11:20,850 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) [2021-08-22 00:11:20,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:21,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 00:11:21,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2021-08-22 00:11:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:11:21,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1632641992, now seen corresponding path program 1 times [2021-08-22 00:11:21,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:11:21,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046631557] [2021-08-22 00:11:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:11:21,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:11:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:11:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-08-22 00:11:21,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:11:21,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046631557] [2021-08-22 00:11:21,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046631557] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:11:21,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:11:21,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 00:11:21,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208875605] [2021-08-22 00:11:21,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 00:11:21,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:11:21,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 00:11:21,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 00:11:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:21,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:11:21,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 00:11:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:21,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:21,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:21,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:21,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 00:11:21,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2021-08-22 00:11:21,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:11:21,378 INFO L82 PathProgramCache]: Analyzing trace with hash -430409113, now seen corresponding path program 1 times [2021-08-22 00:11:21,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:11:21,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294387197] [2021-08-22 00:11:21,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:11:21,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:11:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:11:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 33 proven. 22 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-22 00:11:21,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:11:21,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294387197] [2021-08-22 00:11:21,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294387197] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 00:11:21,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236983287] [2021-08-22 00:11:21,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:11:21,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 00:11:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 00:11:21,793 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) [2021-08-22 00:11:21,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 00:11:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:11:21,856 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 124 conjunts are in the unsatisfiable core [2021-08-22 00:11:21,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 00:11:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 54 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-22 00:11:22,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236983287] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 00:11:22,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 00:11:22,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-22 00:11:22,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038672476] [2021-08-22 00:11:22,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 00:11:22,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:11:22,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 00:11:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-22 00:11:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:22,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:11:22,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.133333333333333) internal successors, (122), 14 states have internal predecessors, (122), 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 00:11:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:22,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:11:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 00:11:31,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 00:11:31,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 00:11:31,229 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 [2021-08-22 00:11:31,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2021-08-22 00:11:31,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:11:31,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1792306846, now seen corresponding path program 1 times [2021-08-22 00:11:31,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:11:31,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534329183] [2021-08-22 00:11:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:11:31,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:11:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 00:11:31,247 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 00:11:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 00:11:31,269 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 00:11:31,269 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 00:11:31,269 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 00:11:31,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 00:11:31,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 00:11:31,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 00:11:31,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 00:11:31,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 00:11:31,289 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 00:11:31,289 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 00:11:31,315 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:11:31 BasicIcfg [2021-08-22 00:11:31,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 00:11:31,317 INFO L168 Benchmark]: Toolchain (without parser) took 11142.59 ms. Allocated memory was 188.7 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 168.7 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 437.0 MB. Max. memory is 8.0 GB. [2021-08-22 00:11:31,318 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 188.7 MB. Free memory was 170.0 MB in the beginning and 169.8 MB in the end (delta: 223.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 00:11:31,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.39 ms. Allocated memory is still 188.7 MB. Free memory was 168.7 MB in the beginning and 166.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 00:11:31,322 INFO L168 Benchmark]: Boogie Preprocessor took 13.91 ms. Allocated memory is still 188.7 MB. Free memory was 166.8 MB in the beginning and 166.0 MB in the end (delta: 772.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 00:11:31,322 INFO L168 Benchmark]: RCFGBuilder took 216.67 ms. Allocated memory is still 188.7 MB. Free memory was 165.8 MB in the beginning and 151.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 00:11:31,323 INFO L168 Benchmark]: TraceAbstraction took 10880.88 ms. Allocated memory was 188.7 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 150.9 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 419.2 MB. Max. memory is 8.0 GB. [2021-08-22 00:11:31,328 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 188.7 MB. Free memory was 170.0 MB in the beginning and 169.8 MB in the end (delta: 223.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.39 ms. Allocated memory is still 188.7 MB. Free memory was 168.7 MB in the beginning and 166.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.91 ms. Allocated memory is still 188.7 MB. Free memory was 166.8 MB in the beginning and 166.0 MB in the end (delta: 772.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 216.67 ms. Allocated memory is still 188.7 MB. Free memory was 165.8 MB in the beginning and 151.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10880.88 ms. Allocated memory was 188.7 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 150.9 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 419.2 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: 1940822, positive: 1818602, positive conditional: 1818602, positive unconditional: 0, negative: 122220, negative conditional: 122220, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1895931, positive: 1818602, positive conditional: 1818602, positive unconditional: 0, negative: 77329, negative conditional: 77329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1895931, positive: 1818602, positive conditional: 1818602, positive unconditional: 0, negative: 77329, negative conditional: 77329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2054242, positive: 1818602, positive conditional: 1818583, positive unconditional: 19, negative: 235640, negative conditional: 158311, negative unconditional: 77329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2054242, positive: 1818602, positive conditional: 1294307, positive unconditional: 524295, negative: 235640, negative conditional: 4218, negative unconditional: 231422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2054242, positive: 1818602, positive conditional: 1294307, positive unconditional: 524295, negative: 235640, negative conditional: 4218, negative unconditional: 231422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1488, positive: 1435, positive conditional: 1031, positive unconditional: 404, negative: 53, negative conditional: 10, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1488, positive: 1016, positive conditional: 0, positive unconditional: 1016, negative: 472, negative conditional: 0, negative unconditional: 472, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 472, positive: 419, positive conditional: 395, positive unconditional: 24, negative: 53, negative conditional: 10, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1058, positive: 887, positive conditional: 743, positive unconditional: 144, negative: 172, negative conditional: 12, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2054242, positive: 1817167, positive conditional: 1293276, positive unconditional: 523891, negative: 235587, negative conditional: 4208, negative unconditional: 231379, unknown: 1488, unknown conditional: 1041, unknown unconditional: 447] , Statistics on independence cache: Total cache size (in pairs): 1488, Positive cache size: 1435, Positive conditional cache size: 1031, Positive unconditional cache size: 404, Negative cache size: 53, Negative conditional cache size: 10, Negative unconditional cache size: 43, Eliminated conditions: 678369, Maximal queried relation: 3, Independence queries for same thread: 44891 - 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: 40]: 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] [L62] 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] [L62] 7 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 8 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 8 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 8 pendingIo := pendingIo - 1; [L72] COND FALSE 8 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 5 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 6 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 6 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 6 pendingIo := pendingIo - 1; [L72] COND FALSE 6 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 3 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L62] 4 assume !stoppingFlag; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L63] 4 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=false, stoppingFlag=false] [L71] 4 pendingIo := pendingIo - 1; [L72] COND FALSE 4 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=false] [L84] 1 stoppingFlag := true; VAL [pendingIo=1, stopped=false, stoppingEvent=false, stoppingFlag=true] [L94] 1 pendingIo := pendingIo - 1; [L95] COND TRUE 1 pendingIo == 0 [L96] 1 stoppingEvent := true; VAL [pendingIo=0, stopped=false, stoppingEvent=true, stoppingFlag=true] [L63] 2 pendingIo := pendingIo + 1; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L63] 7 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L71] 7 pendingIo := pendingIo - 1; [L72] COND FALSE 7 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L63] 5 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L71] 5 pendingIo := pendingIo - 1; [L72] COND FALSE 5 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L63] 3 pendingIo := pendingIo + 1; VAL [pendingIo=2, stopped=false, stoppingEvent=true, stoppingFlag=true] [L71] 3 pendingIo := pendingIo - 1; [L72] COND FALSE 3 !(pendingIo == 0) VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L86] 1 assume stoppingEvent; VAL [pendingIo=1, stopped=false, stoppingEvent=true, stoppingFlag=true] [L87] 1 stopped := true; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] [L40] 2 assert !stopped; VAL [pendingIo=1, stopped=true, stoppingEvent=true, stoppingFlag=true] - UnprovableResult [Line: 19]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 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: 21]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 12 procedures, 74 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 10781.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 46.2ms, PartialOrderReductionTime: 8818.7ms, 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: 23.2ms SsaConstructionTime, 156.7ms SatisfiabilityAnalysisTime, 1297.2ms InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 1208 SizeOfPredicates, 1 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 313/389 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 00:11:31,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 00:11:31,559 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...