/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 05:19:43,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 05:19:43,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 05:19:43,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 05:19:43,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 05:19:43,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 05:19:43,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 05:19:43,946 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-Random42.epf [2021-08-22 05:19:43,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 05:19:43,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 05:19:43,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 05:19:43,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 05:19:43,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 05:19:43,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 05:19:43,961 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 05:19:43,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 05:19:43,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 05:19:43,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 05:19:43,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 05:19:43,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 05:19:43,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:19:43,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 05:19:43,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 05:19:43,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 05:19:43,964 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 05:19:43,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 05:19:43,964 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 05:19:44,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 05:19:44,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 05:19:44,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 05:19:44,247 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 05:19:44,249 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 05:19:44,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl [2021-08-22 05:19:44,250 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized10.bpl' [2021-08-22 05:19:44,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 05:19:44,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 05:19:44,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 05:19:44,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 05:19:44,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 05:19:44,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 05:19:44,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 05:19:44,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 05:19:44,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 05:19:44,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 05:19:44,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 05:19:44,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 05:19:44,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 05:19:44,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/1) ... [2021-08-22 05:19:44,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:19:44,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:44,352 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 05:19:44,354 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 05:19:44,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 05:19:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 05:19:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 05:19:44,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 05:19:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 05:19:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 05:19:44,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 05:19:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 05:19:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 05:19:44,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 05:19:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 05:19:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 05:19:44,378 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 05:19:44,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 05:19:44,594 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 05:19:44,595 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-22 05:19:44,595 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-22 05:19:44,596 INFO L202 PluginConnector]: Adding new model bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:19:44 BoogieIcfgContainer [2021-08-22 05:19:44,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 05:19:44,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 05:19:44,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 05:19:44,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 05:19:44,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 05:19:44" (1/2) ... [2021-08-22 05:19:44,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fa56bc and model type bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:19:44, skipping insertion in model container [2021-08-22 05:19:44,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:19:44" (2/2) ... [2021-08-22 05:19:44,601 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized10.bpl [2021-08-22 05:19:44,604 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 05:19:44,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 05:19:44,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 05:19:44,605 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 05:19:44,668 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 05:19:44,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 05:19:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:44,723 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 05:19:44,771 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 05:19:44,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 05:19:44,795 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 05:19:44,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-08-22 05:19:45,025 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-22 05:19:45,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:45,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1444480092, now seen corresponding path program 1 times [2021-08-22 05:19:45,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:45,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242842698] [2021-08-22 05:19:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:45,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-22 05:19:45,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:45,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242842698] [2021-08-22 05:19:45,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242842698] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:19:45,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:19:45,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 05:19:45,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066108204] [2021-08-22 05:19:45,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 05:19:45,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:45,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 05:19:45,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 05:19:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:45,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:45,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 05:19:45,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:47,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 05:19:47,589 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 9 more)] === [2021-08-22 05:19:47,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:19:47,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2019474623, now seen corresponding path program 1 times [2021-08-22 05:19:47,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:19:47,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915011077] [2021-08-22 05:19:47,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:47,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:19:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 05:19:47,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:19:47,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915011077] [2021-08-22 05:19:47,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915011077] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 05:19:47,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599227922] [2021-08-22 05:19:47,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:19:47,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:19:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:19:47,676 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 05:19:47,710 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 05:19:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:19:47,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 05:19:47,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 05:19:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 05:19:47,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599227922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 05:19:47,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 05:19:47,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2021-08-22 05:19:47,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021285825] [2021-08-22 05:19:47,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 05:19:47,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:19:47,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 05:19:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-08-22 05:19:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:19:47,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:19:47,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 10 states have internal predecessors, (48), 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 05:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:20:42,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 05:20:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 05:20:42,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10INUSE_VIOLATION [2021-08-22 05:20:42,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 05:20:42,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 05:20:42,231 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,SelfDestructingSolverStorable1 [2021-08-22 05:20:42,369 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 05:20:42,369 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 05:20:42,371 INFO L202 PluginConnector]: Adding new model bluetooth-customized10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:20:42 BasicIcfg [2021-08-22 05:20:42,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 05:20:42,372 INFO L168 Benchmark]: Toolchain (without parser) took 58102.19 ms. Allocated memory was 210.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 190.6 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-08-22 05:20:42,372 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 210.8 MB. Free memory is still 191.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 05:20:42,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 210.8 MB. Free memory was 190.5 MB in the beginning and 188.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:20:42,378 INFO L168 Benchmark]: Boogie Preprocessor took 10.59 ms. Allocated memory is still 210.8 MB. Free memory was 188.7 MB in the beginning and 187.7 MB in the end (delta: 969.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 05:20:42,382 INFO L168 Benchmark]: RCFGBuilder took 275.48 ms. Allocated memory is still 210.8 MB. Free memory was 187.6 MB in the beginning and 172.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 05:20:42,384 INFO L168 Benchmark]: TraceAbstraction took 57773.11 ms. Allocated memory was 210.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 172.4 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-08-22 05:20:42,385 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 0.13 ms. Allocated memory is still 210.8 MB. Free memory is still 191.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 210.8 MB. Free memory was 190.5 MB in the beginning and 188.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.59 ms. Allocated memory is still 210.8 MB. Free memory was 188.7 MB in the beginning and 187.7 MB in the end (delta: 969.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 275.48 ms. Allocated memory is still 210.8 MB. Free memory was 187.6 MB in the beginning and 172.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 57773.11 ms. Allocated memory was 210.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 172.4 MB in the beginning and 5.4 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.9 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: 16654971, positive: 16375286, positive conditional: 16375286, positive unconditional: 0, negative: 279685, negative conditional: 279685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16483872, positive: 16375286, positive conditional: 16375286, positive unconditional: 0, negative: 108586, negative conditional: 108586, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16483872, positive: 16375286, positive conditional: 16375286, positive unconditional: 0, negative: 108586, negative conditional: 108586, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16599880, positive: 16375286, positive conditional: 16374703, positive unconditional: 583, negative: 224594, negative conditional: 116008, negative unconditional: 108586, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16599880, positive: 16375286, positive conditional: 12805295, positive unconditional: 3569991, negative: 224594, negative conditional: 115075, negative unconditional: 109519, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16599880, positive: 16375286, positive conditional: 12805295, positive unconditional: 3569991, negative: 224594, negative conditional: 115075, negative unconditional: 109519, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2739, positive: 2650, positive conditional: 2224, positive unconditional: 426, negative: 89, negative conditional: 62, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2739, positive: 1690, positive conditional: 0, positive unconditional: 1690, negative: 1049, negative conditional: 0, negative unconditional: 1049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1049, positive: 960, positive conditional: 925, positive unconditional: 35, negative: 89, negative conditional: 62, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1476, positive: 1317, positive conditional: 1210, positive unconditional: 107, negative: 158, negative conditional: 75, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16599880, positive: 16372636, positive conditional: 12803071, positive unconditional: 3569565, negative: 224505, negative conditional: 115013, negative unconditional: 109492, unknown: 2739, unknown conditional: 2286, unknown unconditional: 453] , Statistics on independence cache: Total cache size (in pairs): 2739, Positive cache size: 2650, Positive conditional cache size: 2224, Positive unconditional cache size: 426, Negative cache size: 89, Negative conditional cache size: 62, Negative unconditional cache size: 27, Eliminated conditions: 3570341, Maximal queried relation: 2, Independence queries for same thread: 171099 - 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 - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 15 procedures, 80 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 57647.2ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 56820.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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: 10.6ms SsaConstructionTime, 31.6ms SatisfiabilityAnalysisTime, 237.9ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 9/11 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-22 05:20:42,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-22 05:20:42,654 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...