/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 19:10:37,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 19:10:37,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 19:10:37,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 19:10:37,484 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 19:10:37,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 19:10:37,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 19:10:37,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 19:10:37,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 19:10:37,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 19:10:37,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 19:10:37,514 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 19:10:37,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 19:10:37,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 19:10:37,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 19:10:37,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 19:10:37,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 19:10:37,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 19:10:37,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:37,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 19:10:37,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 19:10:37,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 19:10:37,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 19:10:37,518 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 19:10:37,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 19:10:37,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 19:10:37,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 19:10:37,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 19:10:37,841 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 19:10:37,842 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 19:10:37,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl [2021-08-07 19:10:37,843 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl' [2021-08-07 19:10:37,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 19:10:37,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 19:10:37,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:37,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 19:10:37,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 19:10:37,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:37,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 19:10:37,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 19:10:37,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 19:10:37,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 19:10:37,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 19:10:37,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 19:10:37,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 19:10:37,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/1) ... [2021-08-07 19:10:37,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:37,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:37,958 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 19:10:37,972 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 19:10:37,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 19:10:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 19:10:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 19:10:37,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 19:10:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 19:10:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 19:10:37,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 19:10:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 19:10:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 19:10:37,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 19:10:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 19:10:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 19:10:37,997 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 19:10:38,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 19:10:38,304 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 19:10:38,304 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 19:10:38,305 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 19:10:38,306 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:38 BoogieIcfgContainer [2021-08-07 19:10:38,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 19:10:38,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 19:10:38,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 19:10:38,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 19:10:38,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:37" (1/2) ... [2021-08-07 19:10:38,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b455bde and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:10:38, skipping insertion in model container [2021-08-07 19:10:38,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:38" (2/2) ... [2021-08-07 19:10:38,312 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl [2021-08-07 19:10:38,316 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 19:10:38,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 19:10:38,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 19:10:38,317 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 19:10:38,355 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 19:10:38,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:38,413 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 19:10:38,415 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 19:10:38,451 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 19:10:38,457 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 19:10:38,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-07 19:10:38,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 19:10:38,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 19:10:38,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 19:10:38,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 19:10:38,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 19:10:38,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 19:10:38,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-07 19:10:38,908 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 19:10:38,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:38,917 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 19:10:38,918 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 19:10:38,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 19:10:38,922 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 19:10:38,922 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 19:10:39,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:39,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:39,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1950156025, now seen corresponding path program 1 times [2021-08-07 19:10:39,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:39,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905872590] [2021-08-07 19:10:39,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:39,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:39,215 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 19:10:39,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:39,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905872590] [2021-08-07 19:10:39,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905872590] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:39,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:39,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 19:10:39,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351580535] [2021-08-07 19:10:39,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:39,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:39,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:39,234 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 19:10:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 19:10:39,310 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:39,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:39,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2029651214, now seen corresponding path program 1 times [2021-08-07 19:10:39,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:39,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141279746] [2021-08-07 19:10:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:39,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 19:10:39,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:39,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141279746] [2021-08-07 19:10:39,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141279746] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:39,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:39,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 19:10:39,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282670926] [2021-08-07 19:10:39,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:39,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:39,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:39,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,346 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:39,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:10:39,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 19:10:39,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:39,461 INFO L82 PathProgramCache]: Analyzing trace with hash 783915642, now seen corresponding path program 1 times [2021-08-07 19:10:39,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:39,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413389954] [2021-08-07 19:10:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:39,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:39,587 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 19:10:39,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:39,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413389954] [2021-08-07 19:10:39,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413389954] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:39,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:39,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 19:10:39,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133630348] [2021-08-07 19:10:39,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:10:39,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:39,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:10:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:10:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:39,595 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) [2021-08-07 19:10:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:39,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 19:10:39,906 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:39,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:39,906 INFO L82 PathProgramCache]: Analyzing trace with hash 887078487, now seen corresponding path program 1 times [2021-08-07 19:10:39,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:39,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451766307] [2021-08-07 19:10:39,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:39,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:40,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:40,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451766307] [2021-08-07 19:10:40,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451766307] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:40,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290303104] [2021-08-07 19:10:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:40,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:40,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:40,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 19:10:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:40,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 19:10:40,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:40,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290303104] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:40,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:40,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-07 19:10:40,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431282313] [2021-08-07 19:10:40,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 19:10:40,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:40,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 19:10:40,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-07 19:10:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:40,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:40,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 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 19:10:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:40,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:41,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:41,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:41,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:41,310 INFO L82 PathProgramCache]: Analyzing trace with hash -873088830, now seen corresponding path program 1 times [2021-08-07 19:10:41,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:41,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669183622] [2021-08-07 19:10:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:41,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:41,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:41,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669183622] [2021-08-07 19:10:41,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669183622] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:41,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476035824] [2021-08-07 19:10:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:41,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:41,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:41,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 19:10:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:41,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 19:10:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:42,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476035824] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:42,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:42,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-07 19:10:42,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074902510] [2021-08-07 19:10:42,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 19:10:42,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:42,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 19:10:42,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-08-07 19:10:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:42,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:42,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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 19:10:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:42,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:42,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:10:42,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:42,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:42,821 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:42,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:42,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2108339935, now seen corresponding path program 1 times [2021-08-07 19:10:42,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:42,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863578550] [2021-08-07 19:10:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:42,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 19:10:43,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:43,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863578550] [2021-08-07 19:10:43,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863578550] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:43,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445794320] [2021-08-07 19:10:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:43,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:43,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:43,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 19:10:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:43,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-07 19:10:43,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 19:10:43,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445794320] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:43,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:43,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-08-07 19:10:43,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17115511] [2021-08-07 19:10:43,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 19:10:43,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:43,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 19:10:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-08-07 19:10:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:43,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:43,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 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 19:10:43,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:43,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:43,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:10:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:10:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:10:46,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:46,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:46,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:46,956 INFO L82 PathProgramCache]: Analyzing trace with hash -260531486, now seen corresponding path program 1 times [2021-08-07 19:10:46,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:46,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681155248] [2021-08-07 19:10:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:46,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 19:10:47,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:47,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681155248] [2021-08-07 19:10:47,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681155248] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:47,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583095740] [2021-08-07 19:10:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:47,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:47,273 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:47,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 19:10:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:47,415 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 69 conjunts are in the unsatisfiable core [2021-08-07 19:10:47,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-07 19:10:48,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583095740] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:48,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:48,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-07 19:10:48,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444276169] [2021-08-07 19:10:48,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 19:10:48,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:48,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 19:10:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-08-07 19:10:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:48,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:48,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 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 19:10:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:48,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:48,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:10:48,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:10:48,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:10:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 19:10:56,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 19:10:56,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:56,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:56,315 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 19:10:56,316 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 19:10:56,316 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 19:10:56,320 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:10:56 BasicIcfg [2021-08-07 19:10:56,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 19:10:56,462 INFO L168 Benchmark]: Toolchain (without parser) took 18591.10 ms. Allocated memory was 204.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 184.9 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 606.7 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:56,462 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 204.5 MB. Free memory is still 186.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 19:10:56,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.24 ms. Allocated memory is still 204.5 MB. Free memory was 184.9 MB in the beginning and 183.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:56,462 INFO L168 Benchmark]: Boogie Preprocessor took 17.13 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 182.1 MB in the end (delta: 911.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:56,462 INFO L168 Benchmark]: RCFGBuilder took 383.32 ms. Allocated memory is still 204.5 MB. Free memory was 182.1 MB in the beginning and 166.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:56,462 INFO L168 Benchmark]: TraceAbstraction took 18012.39 ms. Allocated memory was 204.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 166.2 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 567.9 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:56,463 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 0.16 ms. Allocated memory is still 204.5 MB. Free memory is still 186.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.24 ms. Allocated memory is still 204.5 MB. Free memory was 184.9 MB in the beginning and 183.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.13 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 182.1 MB in the end (delta: 911.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 383.32 ms. Allocated memory is still 204.5 MB. Free memory was 182.1 MB in the beginning and 166.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18012.39 ms. Allocated memory was 204.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 166.2 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 567.9 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: 1005, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 57, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, positive: 813, positive conditional: 0, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 323, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 219, negative conditional: 0, negative unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 990, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 813, Positive conditional cache size: 0, Positive unconditional cache size: 813, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 15 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 376, Number of persistent set computation: 11, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 855, positive: 813, positive conditional: 0, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1005, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 57, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 135, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990, positive: 948, positive conditional: 0, positive unconditional: 948, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, positive: 813, positive conditional: 0, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 323, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 219, negative conditional: 0, negative unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 990, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 813, Positive conditional cache size: 0, Positive unconditional cache size: 813, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 15 - 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: 2712500, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 116087, negative conditional: 116001, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2626655, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 30242, negative conditional: 30156, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2626655, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 30242, negative conditional: 30156, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2595132, positive unconditional: 1281, negative: 298140, negative conditional: 267898, negative unconditional: 30242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2001963, positive unconditional: 594450, negative: 298140, negative conditional: 144016, negative unconditional: 154124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2001963, positive unconditional: 594450, negative: 298140, negative conditional: 144016, negative unconditional: 154124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3044, positive: 2431, positive conditional: 1206, positive unconditional: 1225, negative: 613, negative conditional: 527, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3044, positive: 1237, positive conditional: 0, positive unconditional: 1237, negative: 1807, negative conditional: 0, negative unconditional: 1807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1807, positive: 1194, positive conditional: 1108, positive unconditional: 86, negative: 613, negative conditional: 527, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2277, positive: 1499, positive conditional: 1331, positive unconditional: 169, negative: 777, negative conditional: 614, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2894553, positive: 2593982, positive conditional: 2000757, positive unconditional: 593225, negative: 297527, negative conditional: 143489, negative unconditional: 154038, unknown: 3044, unknown conditional: 1733, unknown unconditional: 1311] , Statistics on independence cache: Total cache size (in pairs): 3044, Positive cache size: 2431, Positive conditional cache size: 1206, Positive unconditional cache size: 1225, Negative cache size: 613, Negative conditional cache size: 527, Negative unconditional cache size: 86, Eliminated conditions: 717051, Maximal queried relation: 7, Independence queries for same thread: 85845 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 707, Number of persistent set computation: 3279, Number of trivial persistent sets: 790, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1360, positive: 1274, positive conditional: 0, positive unconditional: 1274, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2712500, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 116087, negative conditional: 116001, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2626655, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 30242, negative conditional: 30156, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2626655, positive: 2596413, positive conditional: 2595139, positive unconditional: 1274, negative: 30242, negative conditional: 30156, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2595132, positive unconditional: 1281, negative: 298140, negative conditional: 267898, negative unconditional: 30242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2001963, positive unconditional: 594450, negative: 298140, negative conditional: 144016, negative unconditional: 154124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2894553, positive: 2596413, positive conditional: 2001963, positive unconditional: 594450, negative: 298140, negative conditional: 144016, negative unconditional: 154124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3044, positive: 2431, positive conditional: 1206, positive unconditional: 1225, negative: 613, negative conditional: 527, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3044, positive: 1237, positive conditional: 0, positive unconditional: 1237, negative: 1807, negative conditional: 0, negative unconditional: 1807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1807, positive: 1194, positive conditional: 1108, positive unconditional: 86, negative: 613, negative conditional: 527, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2277, positive: 1499, positive conditional: 1331, positive unconditional: 169, negative: 777, negative conditional: 614, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2894553, positive: 2593982, positive conditional: 2000757, positive unconditional: 593225, negative: 297527, negative conditional: 143489, negative unconditional: 154038, unknown: 3044, unknown conditional: 1733, unknown unconditional: 1311] , Statistics on independence cache: Total cache size (in pairs): 3044, Positive cache size: 2431, Positive conditional cache size: 1206, Positive unconditional cache size: 1225, Negative cache size: 613, Negative conditional cache size: 527, Negative unconditional cache size: 86, Eliminated conditions: 717051, Maximal queried relation: 7, Independence queries for same thread: 85845 - 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: 39]: 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 505.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.5ms, PartialOrderReductionTime: 416.2ms, 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 17403.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 12881.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 41.7ms SsaConstructionTime, 145.0ms SatisfiabilityAnalysisTime, 2932.9ms InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 1796 SizeOfPredicates, 4 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 162/213 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 19:10:56,506 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 19:10:56,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-07 19:10:56,897 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...