/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 07:51:42,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 07:51:42,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 07:51:42,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 07:51:42,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 07:51:42,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 07:51:42,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 07:51:42,431 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-Random521.epf [2021-10-25 07:51:42,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 07:51:42,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 07:51:42,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 07:51:42,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 07:51:42,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 07:51:42,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 07:51:42,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 07:51:42,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 07:51:42,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 07:51:42,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 07:51:42,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 07:51:42,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 07:51:42,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 07:51:42,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:51:42,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 07:51:42,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 07:51:42,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 07:51:42,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 07:51:42,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 07:51:42,451 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 [2021-10-25 07:51:42,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 07:51:42,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 07:51:42,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 07:51:42,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 07:51:42,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 07:51:42,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 07:51:42,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-10-25 07:51:42,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-10-25 07:51:42,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 07:51:42,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 07:51:42,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 07:51:42,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 07:51:42,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 07:51:42,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 07:51:42,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 07:51:42,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 07:51:42,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 07:51:42,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 07:51:42,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 07:51:42,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 07:51:42,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 07:51:42,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/1) ... [2021-10-25 07:51:42,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:51:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:42,709 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) [2021-10-25 07:51:42,715 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 [2021-10-25 07:51:42,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-25 07:51:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-25 07:51:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-25 07:51:42,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-25 07:51:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-25 07:51:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-25 07:51:42,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-25 07:51:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-25 07:51:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-25 07:51:42,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 07:51:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 07:51:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 07:51:42,736 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 07:51:42,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 07:51:42,943 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-25 07:51:42,944 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-25 07:51:42,944 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-25 07:51:42,945 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:51:42 BoogieIcfgContainer [2021-10-25 07:51:42,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 07:51:42,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 07:51:42,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 07:51:42,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 07:51:42,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:51:42" (1/2) ... [2021-10-25 07:51:42,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c3c324 and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:51:42, skipping insertion in model container [2021-10-25 07:51:42,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:51:42" (2/2) ... [2021-10-25 07:51:42,963 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-10-25 07:51:42,966 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 07:51:42,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 07:51:42,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 07:51:42,966 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 07:51:43,052 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 07:51:43,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 07:51:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:43,104 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) [2021-10-25 07:51:43,128 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 [2021-10-25 07:51:43,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 07:51:43,142 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 [2021-10-25 07:51:43,142 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-25 07:51:44,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 07:51:44,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 07:51:44,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 07:51:44,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-25 07:51:44,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-25 07:51:44,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-25 07:51:44,172 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-25 07:51:44,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 07:51:44,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:44,199 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) [2021-10-25 07:51:44,215 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 [2021-10-25 07:51:44,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-25 07:51:44,218 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 [2021-10-25 07:51:44,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 07:51:44,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash 890021504, now seen corresponding path program 1 times [2021-10-25 07:51:44,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:44,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788022603] [2021-10-25 07:51:44,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:44,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-25 07:51:44,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:44,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788022603] [2021-10-25 07:51:44,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788022603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:51:44,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:51:44,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 07:51:44,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956107300] [2021-10-25 07:51:44,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 07:51:44,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:44,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 07:51:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 07:51:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:44,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-10-25 07:51:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 07:51:44,595 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1633410556, now seen corresponding path program 1 times [2021-10-25 07:51:44,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:44,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438282766] [2021-10-25 07:51:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:44,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 07:51:44,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:44,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438282766] [2021-10-25 07:51:44,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438282766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:51:44,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:51:44,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-25 07:51:44,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160267906] [2021-10-25 07:51:44,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 07:51:44,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:44,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 07:51:44,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-25 07:51:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:44,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 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) [2021-10-25 07:51:44,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:44,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 07:51:44,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:44,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:44,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1753196041, now seen corresponding path program 1 times [2021-10-25 07:51:44,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:44,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399583472] [2021-10-25 07:51:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:44,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 07:51:44,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:44,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399583472] [2021-10-25 07:51:44,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399583472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:51:44,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:51:44,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 07:51:44,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534137545] [2021-10-25 07:51:44,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 07:51:44,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 07:51:44,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 07:51:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:44,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-25 07:51:44,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:44,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:44,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 07:51:44,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:44,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:44,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1691021083, now seen corresponding path program 2 times [2021-10-25 07:51:44,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:44,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953758352] [2021-10-25 07:51:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:44,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 07:51:44,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:44,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953758352] [2021-10-25 07:51:44,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953758352] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:44,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527764616] [2021-10-25 07:51:44,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 07:51:44,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:51:44,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:44,968 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) [2021-10-25 07:51:44,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 07:51:45,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 07:51:45,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 07:51:45,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-25 07:51:45,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:51:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 07:51:45,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527764616] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:45,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:51:45,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-25 07:51:45,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327918875] [2021-10-25 07:51:45,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 07:51:45,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:45,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 07:51:45,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-25 07:51:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:45,302 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:45,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-10-25 07:51:45,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:45,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:45,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:45,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:51:45,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-25 07:51:45,696 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 [2021-10-25 07:51:45,697 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:45,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:45,697 INFO L82 PathProgramCache]: Analyzing trace with hash 927437307, now seen corresponding path program 3 times [2021-10-25 07:51:45,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:45,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582426539] [2021-10-25 07:51:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:45,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 45 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-10-25 07:51:46,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:46,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582426539] [2021-10-25 07:51:46,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582426539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:46,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286954801] [2021-10-25 07:51:46,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 07:51:46,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:51:46,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:46,228 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) [2021-10-25 07:51:46,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 07:51:46,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-25 07:51:46,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 07:51:46,371 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 127 conjunts are in the unsatisfiable core [2021-10-25 07:51:46,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:51:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 45 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-10-25 07:51:46,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286954801] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:46,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:51:46,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-25 07:51:46,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80644438] [2021-10-25 07:51:46,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 07:51:46,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 07:51:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-10-25 07:51:46,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:46,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:46,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-10-25 07:51:46,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:46,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:46,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:46,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:51:46,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:51:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:51:48,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-25 07:51:48,620 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 [2021-10-25 07:51:48,621 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-25 07:51:48,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:51:48,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1335504512, now seen corresponding path program 4 times [2021-10-25 07:51:48,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:51:48,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802727548] [2021-10-25 07:51:48,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:51:48,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:51:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:51:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7799 backedges. 3614 proven. 1516 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2021-10-25 07:51:51,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:51:51,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802727548] [2021-10-25 07:51:51,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802727548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:51,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76934118] [2021-10-25 07:51:51,075 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 07:51:51,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 07:51:51,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:51:51,076 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) [2021-10-25 07:51:51,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 07:51:51,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 07:51:51,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 07:51:51,399 WARN L261 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 789 conjunts are in the unsatisfiable core [2021-10-25 07:51:51,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 07:51:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7799 backedges. 21 proven. 5109 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2021-10-25 07:51:53,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76934118] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 07:51:53,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 07:51:53,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-25 07:51:53,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203678908] [2021-10-25 07:51:53,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-25 07:51:53,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:51:53,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-25 07:51:53,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-10-25 07:51:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:53,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:51:53,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.235294117647059) internal successors, (123), 16 states have internal predecessors, (123), 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) [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:51:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:51:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 07:51:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:51:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 07:51:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 07:51:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 07:51:57,232 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-25 07:51:57,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-25 07:51:57,450 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 [2021-10-25 07:51:57,453 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-25 07:51:57,454 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 07:51:57,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 07:51:57,455 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:51:57 BasicIcfg [2021-10-25 07:51:57,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 07:51:57,456 INFO L168 Benchmark]: Toolchain (without parser) took 14805.48 ms. Allocated memory was 177.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 135.5 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 374.6 MB. Max. memory is 8.0 GB. [2021-10-25 07:51:57,457 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 177.2 MB. Free memory is still 136.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 07:51:57,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 177.2 MB. Free memory was 135.4 MB in the beginning and 133.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 07:51:57,457 INFO L168 Benchmark]: Boogie Preprocessor took 8.78 ms. Allocated memory is still 177.2 MB. Free memory was 133.6 MB in the beginning and 132.6 MB in the end (delta: 978.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 07:51:57,457 INFO L168 Benchmark]: RCFGBuilder took 254.27 ms. Allocated memory is still 177.2 MB. Free memory was 132.5 MB in the beginning and 150.4 MB in the end (delta: -17.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-10-25 07:51:57,458 INFO L168 Benchmark]: TraceAbstraction took 14509.01 ms. Allocated memory was 177.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 149.9 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 387.6 MB. Max. memory is 8.0 GB. [2021-10-25 07:51:57,458 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 0.09 ms. Allocated memory is still 177.2 MB. Free memory is still 136.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 177.2 MB. Free memory was 135.4 MB in the beginning and 133.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.78 ms. Allocated memory is still 177.2 MB. Free memory was 133.6 MB in the beginning and 132.6 MB in the end (delta: 978.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 254.27 ms. Allocated memory is still 177.2 MB. Free memory was 132.5 MB in the beginning and 150.4 MB in the end (delta: -17.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14509.01 ms. Allocated memory was 177.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 149.9 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 387.6 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: 150082, positive: 119773, positive conditional: 118848, positive unconditional: 925, negative: 30309, negative conditional: 30251, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136099, positive: 119773, positive conditional: 0, positive unconditional: 119773, negative: 16326, negative conditional: 0, negative unconditional: 16326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 942, positive: 884, positive conditional: 0, positive unconditional: 884, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 942, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136099, positive: 118889, positive conditional: 0, positive unconditional: 118889, negative: 16268, negative conditional: 0, negative unconditional: 16268, unknown: 942, unknown conditional: 0, unknown unconditional: 942] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 884, Positive conditional cache size: 0, Positive unconditional cache size: 884, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 13983 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 543, Number of persistent set computation: 1205, Number of trivial persistent sets: 1178, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150082, positive: 119773, positive conditional: 118848, positive unconditional: 925, negative: 30309, negative conditional: 30251, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136099, positive: 119773, positive conditional: 0, positive unconditional: 119773, negative: 16326, negative conditional: 0, negative unconditional: 16326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 942, positive: 884, positive conditional: 0, positive unconditional: 884, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 942, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136099, positive: 118889, positive conditional: 0, positive unconditional: 118889, negative: 16268, negative conditional: 0, negative unconditional: 16268, unknown: 942, unknown conditional: 0, unknown unconditional: 942] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 884, Positive conditional cache size: 0, Positive unconditional cache size: 884, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 13983 - 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: 2098284, positive: 1591446, positive conditional: 1590467, positive unconditional: 979, negative: 506838, negative conditional: 506776, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1957837, positive: 1591446, positive conditional: 0, positive unconditional: 1591446, negative: 366391, negative conditional: 0, negative unconditional: 366391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1003, positive: 941, positive conditional: 0, positive unconditional: 941, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1003, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1957837, positive: 1590505, positive conditional: 0, positive unconditional: 1590505, negative: 366329, negative conditional: 0, negative unconditional: 366329, unknown: 1003, unknown conditional: 0, unknown unconditional: 1003] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 941, Positive conditional cache size: 0, Positive unconditional cache size: 941, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 140447 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 272, Number of persistent set computation: 2051, Number of trivial persistent sets: 2047, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2098284, positive: 1591446, positive conditional: 1590467, positive unconditional: 979, negative: 506838, negative conditional: 506776, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1957837, positive: 1591446, positive conditional: 0, positive unconditional: 1591446, negative: 366391, negative conditional: 0, negative unconditional: 366391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1003, positive: 941, positive conditional: 0, positive unconditional: 941, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1003, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1957837, positive: 1590505, positive conditional: 0, positive unconditional: 1590505, negative: 366329, negative conditional: 0, negative unconditional: 366329, unknown: 1003, unknown conditional: 0, unknown unconditional: 1003] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 941, Positive conditional cache size: 0, Positive unconditional cache size: 941, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Independence queries for same thread: 140447 - 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: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1074.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 1002.8ms, 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13272.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 5664.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 69.3ms SsaConstructionTime, 583.1ms SatisfiabilityAnalysisTime, 5828.9ms InterpolantComputationTime, 1057 NumberOfCodeBlocks, 1057 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 5811 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1323 ConjunctsInSsa, 949 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 9692/16419 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! [2021-10-25 07:51:57,485 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 [2021-10-25 07:51:57,698 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 [2021-10-25 07:51:57,900 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...