/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-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 22:56:44,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 22:56:44,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 22:56:44,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 22:56:44,620 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-Uncond-NoLbe-Random7777.epf [2021-10-22 22:56:44,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 22:56:44,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 22:56:44,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 22:56:44,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 22:56:44,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 22:56:44,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 22:56:44,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 22:56:44,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 22:56:44,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 22:56:44,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:56:44,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 22:56:44,641 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 22:56:44,642 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 22:56:44,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 22:56:44,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 22:56:44,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 22:56:44,843 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 22:56:44,845 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 22:56:44,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl [2021-10-22 22:56:44,846 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl' [2021-10-22 22:56:44,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 22:56:44,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 22:56:44,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 22:56:44,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 22:56:44,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 22:56:44,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 22:56:44,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 22:56:44,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 22:56:44,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 22:56:44,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 22:56:44,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 22:56:44,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 22:56:44,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 22:56:44,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/1) ... [2021-10-22 22:56:44,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:56:44,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:56:44,957 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) [2021-10-22 22:56:44,964 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 [2021-10-22 22:56:44,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-22 22:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-22 22:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-22 22:56:44,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-22 22:56:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-22 22:56:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-22 22:56:44,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-22 22:56:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-22 22:56:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-22 22:56:44,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 22:56:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 22:56:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 22:56:44,999 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 22:56:45,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 22:56:45,245 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-22 22:56:45,246 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-22 22:56:45,246 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-22 22:56:45,247 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:56:45 BoogieIcfgContainer [2021-10-22 22:56:45,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 22:56:45,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 22:56:45,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 22:56:45,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 22:56:45,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:56:44" (1/2) ... [2021-10-22 22:56:45,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f889a80 and model type bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:56:45, skipping insertion in model container [2021-10-22 22:56:45,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:56:45" (2/2) ... [2021-10-22 22:56:45,252 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct02.bpl [2021-10-22 22:56:45,255 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 22:56:45,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 22:56:45,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 22:56:45,255 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 22:56:45,293 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 22:56:45,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 22:56:45,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:56:45,377 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) [2021-10-22 22:56:45,378 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 [2021-10-22 22:56:45,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 22:56:45,406 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 [2021-10-22 22:56:45,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-22 22:56:45,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 22:56:45,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 22:56:45,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 22:56:45,572 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2021-10-22 22:56:45,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 22:56:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:56:45,576 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) [2021-10-22 22:56:45,577 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 [2021-10-22 22:56:45,581 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-22 22:56:45,584 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 [2021-10-22 22:56:45,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 22:56:45,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 22:56:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:56:45,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1943111566, now seen corresponding path program 1 times [2021-10-22 22:56:45,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:56:45,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756272549] [2021-10-22 22:56:45,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:56:45,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:56:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:56:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:56:45,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:56:45,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756272549] [2021-10-22 22:56:45,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756272549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:56:45,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:56:45,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 22:56:45,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502017237] [2021-10-22 22:56:45,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 22:56:45,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:56:45,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 22:56:45,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 22:56:45,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:56:45,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-22 22:56:45,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 22:56:45,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 22:56:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:56:45,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2066831567, now seen corresponding path program 1 times [2021-10-22 22:56:45,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:56:45,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116475557] [2021-10-22 22:56:45,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:56:45,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:56:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:56:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:56:45,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:56:45,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116475557] [2021-10-22 22:56:45,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116475557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:56:45,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:56:45,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 22:56:45,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323109893] [2021-10-22 22:56:45,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 22:56:45,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:56:45,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 22:56:45,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 22:56:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:56:45,766 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) [2021-10-22 22:56:45,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 22:56:45,791 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 22:56:45,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:56:45,792 INFO L82 PathProgramCache]: Analyzing trace with hash 540152256, now seen corresponding path program 1 times [2021-10-22 22:56:45,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:56:45,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552658955] [2021-10-22 22:56:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:56:45,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:56:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:56:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:56:45,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:56:45,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552658955] [2021-10-22 22:56:45,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552658955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:56:45,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:56:45,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 22:56:45,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902494775] [2021-10-22 22:56:45,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-22 22:56:45,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:56:45,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-22 22:56:45,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-22 22:56:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:56:45,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-10-22 22:56:45,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:56:45,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 22:56:45,924 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 22:56:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:56:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1745731290, now seen corresponding path program 1 times [2021-10-22 22:56:45,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:56:45,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933622156] [2021-10-22 22:56:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:56:45,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:56:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:56:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 22:56:45,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:56:45,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933622156] [2021-10-22 22:56:45,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933622156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:56:45,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:56:45,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-22 22:56:45,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276181845] [2021-10-22 22:56:45,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 22:56:45,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:56:45,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 22:56:45,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-22 22:56:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:45,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:56:45,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-10-22 22:56:45,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:45,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:56:45,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:56:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 22:56:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:56:46,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 22:56:46,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-22 22:56:46,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 22:56:46,061 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-22 22:56:46,061 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 22:56:46,061 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 22:56:46,063 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 10:56:46 BasicIcfg [2021-10-22 22:56:46,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 22:56:46,064 INFO L168 Benchmark]: Toolchain (without parser) took 1196.93 ms. Allocated memory was 182.5 MB in the beginning and 282.1 MB in the end (delta: 99.6 MB). Free memory was 141.7 MB in the beginning and 214.8 MB in the end (delta: -73.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:56:46,064 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 182.5 MB. Free memory is still 142.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 22:56:46,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.17 ms. Allocated memory is still 182.5 MB. Free memory was 141.7 MB in the beginning and 139.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 22:56:46,065 INFO L168 Benchmark]: Boogie Preprocessor took 11.81 ms. Allocated memory is still 182.5 MB. Free memory was 139.9 MB in the beginning and 139.0 MB in the end (delta: 923.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:56:46,065 INFO L168 Benchmark]: RCFGBuilder took 337.63 ms. Allocated memory is still 182.5 MB. Free memory was 138.9 MB in the beginning and 123.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-22 22:56:46,066 INFO L168 Benchmark]: TraceAbstraction took 814.97 ms. Allocated memory was 182.5 MB in the beginning and 282.1 MB in the end (delta: 99.6 MB). Free memory was 123.1 MB in the beginning and 214.8 MB in the end (delta: -91.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. [2021-10-22 22:56:46,067 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 0.10 ms. Allocated memory is still 182.5 MB. Free memory is still 142.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.17 ms. Allocated memory is still 182.5 MB. Free memory was 141.7 MB in the beginning and 139.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.81 ms. Allocated memory is still 182.5 MB. Free memory was 139.9 MB in the beginning and 139.0 MB in the end (delta: 923.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 337.63 ms. Allocated memory is still 182.5 MB. Free memory was 138.9 MB in the beginning and 123.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 814.97 ms. Allocated memory was 182.5 MB in the beginning and 282.1 MB in the end (delta: 99.6 MB). Free memory was 123.1 MB in the beginning and 214.8 MB in the end (delta: -91.7 MB). Peak memory consumption was 7.1 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: 289, positive: 260, positive conditional: 43, positive unconditional: 217, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 224, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 224, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 279, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 224, unknown conditional: 0, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 112, Number of persistent set computation: 28, Number of trivial persistent sets: 23, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 289, positive: 260, positive conditional: 43, positive unconditional: 217, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 224, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 224, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 279, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 224, unknown conditional: 0, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 10 - 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: 2138, positive: 1763, positive conditional: 1526, positive unconditional: 237, negative: 375, negative conditional: 361, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1986, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 223, negative conditional: 0, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 232, positive conditional: 0, positive unconditional: 232, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1986, positive: 1531, positive conditional: 0, positive unconditional: 1531, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 152 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 82, Number of persistent set computation: 73, Number of trivial persistent sets: 54, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2138, positive: 1763, positive conditional: 1526, positive unconditional: 237, negative: 375, negative conditional: 361, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1986, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 223, negative conditional: 0, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 232, positive conditional: 0, positive unconditional: 232, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1986, positive: 1531, positive conditional: 0, positive unconditional: 1531, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 152 - 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: 35]: 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 206.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 148.0ms, 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 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 485.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 201.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.5ms SsaConstructionTime, 43.2ms SatisfiabilityAnalysisTime, 151.0ms InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 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! [2021-10-22 22:56:46,094 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 [2021-10-22 22:56:46,306 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 [2021-10-22 22:56:46,507 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...