/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 21:41:17,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 21:41:17,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 21:41:17,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 21:41:17,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 21:41:17,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 21:41:17,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 21:41:17,947 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-08-07 21:41:17,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 21:41:17,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 21:41:17,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 21:41:17,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 21:41:17,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 21:41:17,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 21:41:17,970 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 21:41:17,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 21:41:17,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 21:41:17,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 21:41:17,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 21:41:17,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 21:41:17,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 21:41:17,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 21:41:17,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 21:41:17,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 21:41:17,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 21:41:17,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 21:41:17,973 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 21:41:17,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 21:41:17,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 21:41:17,974 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 21:41:17,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 21:41:18,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 21:41:18,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 21:41:18,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 21:41:18,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 21:41:18,308 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 21:41:18,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl [2021-08-07 21:41:18,309 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl' [2021-08-07 21:41:18,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 21:41:18,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 21:41:18,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 21:41:18,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 21:41:18,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 21:41:18,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 21:41:18,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 21:41:18,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 21:41:18,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 21:41:18,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 21:41:18,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 21:41:18,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 21:41:18,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 21:41:18,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/1) ... [2021-08-07 21:41:18,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 21:41:18,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 21:41:18,420 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) [2021-08-07 21:41:18,422 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 [2021-08-07 21:41:18,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 21:41:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 21:41:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 21:41:18,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 21:41:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 21:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 21:41:18,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 21:41:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 21:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 21:41:18,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 21:41:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 21:41:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 21:41:18,452 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 21:41:18,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 21:41:18,626 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 21:41:18,627 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 21:41:18,627 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 21:41:18,629 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 09:41:18 BoogieIcfgContainer [2021-08-07 21:41:18,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 21:41:18,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 21:41:18,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 21:41:18,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 21:41:18,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 09:41:18" (1/2) ... [2021-08-07 21:41:18,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5757ef7c and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 09:41:18, skipping insertion in model container [2021-08-07 21:41:18,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 09:41:18" (2/2) ... [2021-08-07 21:41:18,635 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl [2021-08-07 21:41:18,639 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 21:41:18,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 21:41:18,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 21:41:18,639 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 21:41:18,707 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 21:41:18,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 21:41:18,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 21:41:18,748 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) [2021-08-07 21:41:18,750 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 [2021-08-07 21:41:18,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 21:41:18,783 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 [2021-08-07 21:41:18,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-07 21:41:19,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 21:41:19,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 21:41:19,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 21:41:19,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 21:41:19,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 21:41:19,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 21:41:19,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-07 21:41:19,315 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-07 21:41:19,315 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-07 21:41:19,326 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 21:41:19,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 21:41:19,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 21:41:19,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 21:41:19,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 21:41:19,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 21:41:19,346 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 [2021-08-07 21:41:19,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 21:41:19,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 21:41:19,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 21:41:19,626 INFO L82 PathProgramCache]: Analyzing trace with hash 816866865, now seen corresponding path program 1 times [2021-08-07 21:41:19,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 21:41:19,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366363537] [2021-08-07 21:41:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 21:41:19,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 21:41:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 21:41:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 21:41:19,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 21:41:19,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366363537] [2021-08-07 21:41:19,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366363537] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 21:41:19,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 21:41:19,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 21:41:19,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503300276] [2021-08-07 21:41:19,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 21:41:19,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 21:41:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 21:41:19,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 21:41:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:19,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 21:41:19,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-08-07 21:41:19,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:20,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 21:41:20,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 21:41:20,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 21:41:20,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1396047556, now seen corresponding path program 1 times [2021-08-07 21:41:20,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 21:41:20,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725291789] [2021-08-07 21:41:20,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 21:41:20,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 21:41:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 21:41:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 21:41:20,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 21:41:20,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725291789] [2021-08-07 21:41:20,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725291789] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 21:41:20,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 21:41:20,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 21:41:20,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975925685] [2021-08-07 21:41:20,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 21:41:20,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 21:41:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 21:41:20,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 21:41:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:20,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 21:41:20,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-07 21:41:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:20,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:20,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 21:41:20,829 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 21:41:20,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 21:41:20,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1013204766, now seen corresponding path program 1 times [2021-08-07 21:41:20,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 21:41:20,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74485195] [2021-08-07 21:41:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 21:41:20,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 21:41:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 21:41:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 21:41:21,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 21:41:21,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74485195] [2021-08-07 21:41:21,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74485195] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 21:41:21,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 21:41:21,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 21:41:21,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267983648] [2021-08-07 21:41:21,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 21:41:21,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 21:41:21,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 21:41:21,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-07 21:41:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:21,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 21:41:21,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-08-07 21:41:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:21,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 21:41:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 21:41:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 21:41:33,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 21:41:33,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 21:41:33,355 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 21:41:33,356 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 21:41:33,356 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 21:41:33,358 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 09:41:33 BasicIcfg [2021-08-07 21:41:33,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 21:41:33,359 INFO L168 Benchmark]: Toolchain (without parser) took 15026.41 ms. Allocated memory was 200.3 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 180.8 MB in the beginning and 4.0 GB in the end (delta: -3.8 GB). Peak memory consumption was 909.3 MB. Max. memory is 8.0 GB. [2021-08-07 21:41:33,359 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 200.3 MB. Free memory was 181.9 MB in the beginning and 181.9 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 21:41:33,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 178.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 21:41:33,360 INFO L168 Benchmark]: Boogie Preprocessor took 16.13 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 177.9 MB in the end (delta: 954.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 21:41:33,360 INFO L168 Benchmark]: RCFGBuilder took 239.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 162.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-07 21:41:33,360 INFO L168 Benchmark]: TraceAbstraction took 14727.95 ms. Allocated memory was 200.3 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 161.8 MB in the beginning and 4.0 GB in the end (delta: -3.9 GB). Peak memory consumption was 889.3 MB. Max. memory is 8.0 GB. [2021-08-07 21:41:33,362 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 0.15 ms. Allocated memory is still 200.3 MB. Free memory was 181.9 MB in the beginning and 181.9 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 178.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.13 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 177.9 MB in the end (delta: 954.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 162.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14727.95 ms. Allocated memory was 200.3 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 161.8 MB in the beginning and 4.0 GB in the end (delta: -3.9 GB). Peak memory consumption was 889.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1802, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 100, negative conditional: 28, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1445, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 420, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1774, positive: 329, positive conditional: 0, positive unconditional: 329, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1445, unknown conditional: 0, unknown unconditional: 1445] , Statistics on independence cache: Total cache size (in pairs): 1445, Positive cache size: 1373, Positive conditional cache size: 0, Positive unconditional cache size: 1373, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 28 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 471, Number of persistent set computation: 13, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1802, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 100, negative conditional: 28, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 329, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1774, positive: 1702, positive conditional: 0, positive unconditional: 1702, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1445, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 420, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1774, positive: 329, positive conditional: 0, positive unconditional: 329, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1445, unknown conditional: 0, unknown unconditional: 1445] , Statistics on independence cache: Total cache size (in pairs): 1445, Positive cache size: 1373, Positive conditional cache size: 0, Positive unconditional cache size: 1373, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 28 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1273390, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 40607, negative conditional: 40461, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241064, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 8281, negative conditional: 8135, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1241064, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 8281, negative conditional: 8135, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 1230698, positive unconditional: 2085, negative: 50492, negative conditional: 42211, negative unconditional: 8281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 942172, positive unconditional: 290611, negative: 50492, negative conditional: 16936, negative unconditional: 33556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 942172, positive unconditional: 290611, negative: 50492, negative conditional: 16936, negative unconditional: 33556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2535, positive: 2323, positive conditional: 293, positive unconditional: 2030, negative: 212, negative conditional: 66, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2535, positive: 1995, positive conditional: 0, positive unconditional: 1995, negative: 540, negative conditional: 0, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 540, positive: 328, positive conditional: 183, positive unconditional: 145, negative: 212, negative conditional: 66, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 973, positive: 606, positive conditional: 323, positive unconditional: 282, negative: 367, negative conditional: 128, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1283275, positive: 1230460, positive conditional: 941879, positive unconditional: 288581, negative: 50280, negative conditional: 16870, negative unconditional: 33410, unknown: 2535, unknown conditional: 359, unknown unconditional: 2176] , Statistics on independence cache: Total cache size (in pairs): 2535, Positive cache size: 2323, Positive conditional cache size: 293, Positive unconditional cache size: 2030, Negative cache size: 212, Negative conditional cache size: 66, Negative unconditional cache size: 146, Eliminated conditions: 313801, Maximal queried relation: 3, Independence queries for same thread: 32326 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 6215, Number of persistent set computation: 49854, Number of trivial persistent sets: 40591, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2225, positive: 2079, positive conditional: 0, positive unconditional: 2079, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1273390, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 40607, negative conditional: 40461, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241064, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 8281, negative conditional: 8135, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1241064, positive: 1232783, positive conditional: 1230704, positive unconditional: 2079, negative: 8281, negative conditional: 8135, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 1230698, positive unconditional: 2085, negative: 50492, negative conditional: 42211, negative unconditional: 8281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 942172, positive unconditional: 290611, negative: 50492, negative conditional: 16936, negative unconditional: 33556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1283275, positive: 1232783, positive conditional: 942172, positive unconditional: 290611, negative: 50492, negative conditional: 16936, negative unconditional: 33556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2535, positive: 2323, positive conditional: 293, positive unconditional: 2030, negative: 212, negative conditional: 66, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2535, positive: 1995, positive conditional: 0, positive unconditional: 1995, negative: 540, negative conditional: 0, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 540, positive: 328, positive conditional: 183, positive unconditional: 145, negative: 212, negative conditional: 66, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 973, positive: 606, positive conditional: 323, positive unconditional: 282, negative: 367, negative conditional: 128, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1283275, positive: 1230460, positive conditional: 941879, positive unconditional: 288581, negative: 50280, negative conditional: 16870, negative unconditional: 33410, unknown: 2535, unknown conditional: 359, unknown unconditional: 2176] , Statistics on independence cache: Total cache size (in pairs): 2535, Positive cache size: 2323, Positive conditional cache size: 293, Positive unconditional cache size: 2030, Negative cache size: 212, Negative conditional cache size: 66, Negative unconditional cache size: 146, Eliminated conditions: 313801, Maximal queried relation: 3, Independence queries for same thread: 32326 - 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: 41]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 582.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.3ms, PartialOrderReductionTime: 507.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 14017.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 13586.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 4.4ms SsaConstructionTime, 45.4ms SatisfiabilityAnalysisTime, 229.6ms InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 11/11 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! [2021-08-07 21:41:33,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-07 21:41:33,631 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 [2021-08-07 21:41:33,830 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...