/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 08:01:12,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 08:01:12,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 08:01:12,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 08:01:12,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 08:01:12,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 08:01:12,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 08:01:12,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-08-23 08:01:12,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 08:01:12,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 08:01:12,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 08:01:12,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 08:01:12,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 08:01:12,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 08:01:12,850 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 08:01:12,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 08:01:12,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 08:01:12,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 08:01:12,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 08:01:12,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 08:01:12,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 08:01:12,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 08:01:12,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 08:01:12,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 08:01:12,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 08:01:12,854 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 08:01:12,854 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 08:01:12,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 08:01:12,854 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 08:01:13,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 08:01:13,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 08:01:13,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 08:01:13,165 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 08:01:13,166 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 08:01:13,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-08-23 08:01:13,167 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-08-23 08:01:13,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 08:01:13,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 08:01:13,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 08:01:13,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 08:01:13,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 08:01:13,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 08:01:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 08:01:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 08:01:13,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 08:01:13,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 08:01:13,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 08:01:13,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 08:01:13,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 08:01:13,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/1) ... [2021-08-23 08:01:13,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 08:01:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 08:01:13,253 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) [2021-08-23 08:01:13,255 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 [2021-08-23 08:01:13,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-23 08:01:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-23 08:01:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-23 08:01:13,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 08:01:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 08:01:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 08:01:13,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 08:01:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 08:01:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 08:01:13,293 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 08:01:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 08:01:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 08:01:13,293 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 08:01:13,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 08:01:13,473 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-23 08:01:13,474 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-23 08:01:13,474 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 08:01:13,475 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 08:01:13 BoogieIcfgContainer [2021-08-23 08:01:13,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 08:01:13,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 08:01:13,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 08:01:13,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 08:01:13,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 08:01:13" (1/2) ... [2021-08-23 08:01:13,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ec5c52 and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 08:01:13, skipping insertion in model container [2021-08-23 08:01:13,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 08:01:13" (2/2) ... [2021-08-23 08:01:13,480 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-08-23 08:01:13,483 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 08:01:13,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 08:01:13,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 08:01:13,483 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 08:01:13,516 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 08:01:13,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 08:01:13,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 08:01:13,567 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) [2021-08-23 08:01:13,610 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 [2021-08-23 08:01:13,638 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 08:01:13,645 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 [2021-08-23 08:01:13,645 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-23 08:01:20,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 08:01:20,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-23 08:01:20,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-23 08:01:20,648 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-23 08:01:20,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 08:01:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 08:01:20,652 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) [2021-08-23 08:01:20,653 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 [2021-08-23 08:01:20,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-23 08:01:20,656 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 [2021-08-23 08:01:20,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 08:01:20,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 08:01:20,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 08:01:20,842 INFO L82 PathProgramCache]: Analyzing trace with hash 888194623, now seen corresponding path program 1 times [2021-08-23 08:01:20,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 08:01:20,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698549656] [2021-08-23 08:01:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 08:01:20,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 08:01:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 08:01:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-23 08:01:20,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 08:01:20,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698549656] [2021-08-23 08:01:20,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698549656] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 08:01:20,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 08:01:20,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 08:01:20,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420761552] [2021-08-23 08:01:20,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 08:01:20,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 08:01:20,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 08:01:20,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 08:01:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:20,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 08:01:20,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 08:01:20,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:21,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 08:01:21,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 08:01:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 08:01:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash 467866294, now seen corresponding path program 1 times [2021-08-23 08:01:21,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 08:01:21,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505456909] [2021-08-23 08:01:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 08:01:21,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 08:01:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 08:01:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-23 08:01:21,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 08:01:21,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505456909] [2021-08-23 08:01:21,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505456909] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 08:01:21,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 08:01:21,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 08:01:21,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792661262] [2021-08-23 08:01:21,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 08:01:21,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 08:01:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 08:01:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 08:01:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:21,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 08:01:21,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-08-23 08:01:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:21,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 08:01:21,386 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 08:01:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 08:01:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash -258875115, now seen corresponding path program 1 times [2021-08-23 08:01:21,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 08:01:21,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692684105] [2021-08-23 08:01:21,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 08:01:21,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 08:01:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 08:01:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-23 08:01:21,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 08:01:21,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692684105] [2021-08-23 08:01:21,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692684105] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 08:01:21,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613770828] [2021-08-23 08:01:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 08:01:21,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 08:01:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 08:01:21,668 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) [2021-08-23 08:01:21,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 08:01:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 08:01:21,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-23 08:01:21,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 08:01:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-23 08:01:22,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613770828] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 08:01:22,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 08:01:22,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-23 08:01:22,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859762817] [2021-08-23 08:01:22,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 08:01:22,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 08:01:22,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 08:01:22,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-23 08:01:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:22,029 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 08:01:22,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-08-23 08:01:22,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:22,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:22,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 08:01:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 08:01:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 08:01:26,458 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-23 08:01:26,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-23 08:01:26,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 08:01:26,671 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-23 08:01:26,672 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 08:01:26,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 08:01:26,674 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 08:01:26 BasicIcfg [2021-08-23 08:01:26,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 08:01:26,689 INFO L168 Benchmark]: Toolchain (without parser) took 13488.08 ms. Allocated memory was 172.0 MB in the beginning and 4.7 GB in the end (delta: 4.6 GB). Free memory was 151.5 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 742.4 MB. Max. memory is 8.0 GB. [2021-08-23 08:01:26,689 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 172.0 MB. Free memory was 152.6 MB in the beginning and 152.4 MB in the end (delta: 160.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 08:01:26,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.05 ms. Allocated memory is still 172.0 MB. Free memory was 151.4 MB in the beginning and 149.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 08:01:26,690 INFO L168 Benchmark]: Boogie Preprocessor took 10.89 ms. Allocated memory is still 172.0 MB. Free memory was 149.4 MB in the beginning and 148.6 MB in the end (delta: 810.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 08:01:26,690 INFO L168 Benchmark]: RCFGBuilder took 243.98 ms. Allocated memory is still 172.0 MB. Free memory was 148.4 MB in the beginning and 155.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 8.0 GB. [2021-08-23 08:01:26,690 INFO L168 Benchmark]: TraceAbstraction took 13197.43 ms. Allocated memory was 172.0 MB in the beginning and 4.7 GB in the end (delta: 4.6 GB). Free memory was 154.8 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 744.7 MB. Max. memory is 8.0 GB. [2021-08-23 08:01:26,691 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 0.11 ms. Allocated memory is still 172.0 MB. Free memory was 152.6 MB in the beginning and 152.4 MB in the end (delta: 160.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.05 ms. Allocated memory is still 172.0 MB. Free memory was 151.4 MB in the beginning and 149.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.89 ms. Allocated memory is still 172.0 MB. Free memory was 149.4 MB in the beginning and 148.6 MB in the end (delta: 810.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 243.98 ms. Allocated memory is still 172.0 MB. Free memory was 148.4 MB in the beginning and 155.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13197.43 ms. Allocated memory was 172.0 MB in the beginning and 4.7 GB in the end (delta: 4.6 GB). Free memory was 154.8 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 744.7 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: 2584868, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 522509, negative conditional: 522401, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 325154, negative conditional: 325046, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 325154, negative conditional: 325046, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1621, positive: 1513, positive conditional: 0, positive unconditional: 1513, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1621, positive: 1415, positive conditional: 0, positive unconditional: 1415, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 206, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 278, negative conditional: 0, negative unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2387513, positive: 2060846, positive conditional: 0, positive unconditional: 2060846, negative: 325046, negative conditional: 0, negative unconditional: 325046, unknown: 1621, unknown conditional: 0, unknown unconditional: 1621] , Statistics on independence cache: Total cache size (in pairs): 1621, Positive cache size: 1513, Positive conditional cache size: 0, Positive unconditional cache size: 1513, Negative cache size: 108, Negative conditional cache size: 0, Negative unconditional cache size: 108, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 197355 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1421, Number of persistent set computation: 10910, Number of trivial persistent sets: 10316, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1717, positive: 1609, positive conditional: 0, positive unconditional: 1609, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2584868, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 522509, negative conditional: 522401, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 325154, negative conditional: 325046, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 2060750, positive unconditional: 1609, negative: 325154, negative conditional: 325046, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2387513, positive: 2062359, positive conditional: 0, positive unconditional: 2062359, negative: 325154, negative conditional: 0, negative unconditional: 325154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1621, positive: 1513, positive conditional: 0, positive unconditional: 1513, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1621, positive: 1415, positive conditional: 0, positive unconditional: 1415, negative: 206, negative conditional: 0, negative unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 206, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, positive: 235, positive conditional: 0, positive unconditional: 235, negative: 278, negative conditional: 0, negative unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2387513, positive: 2060846, positive conditional: 0, positive unconditional: 2060846, negative: 325046, negative conditional: 0, negative unconditional: 325046, unknown: 1621, unknown conditional: 0, unknown unconditional: 1621] , Statistics on independence cache: Total cache size (in pairs): 1621, Positive cache size: 1513, Positive conditional cache size: 0, Positive unconditional cache size: 1513, Negative cache size: 108, Negative conditional cache size: 0, Negative unconditional cache size: 108, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 197355 - 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: 667729, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 34863, negative conditional: 34749, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 639446, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 6580, negative conditional: 6466, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 639446, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 6580, negative conditional: 6466, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 630664, positive unconditional: 2202, negative: 42252, negative conditional: 35672, negative unconditional: 6580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 486092, positive unconditional: 146774, negative: 42252, negative conditional: 17607, negative unconditional: 24645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 486092, positive unconditional: 146774, negative: 42252, negative conditional: 17607, negative unconditional: 24645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1943, positive: 1765, positive conditional: 185, positive unconditional: 1580, negative: 178, negative conditional: 64, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1943, positive: 1502, positive conditional: 0, positive unconditional: 1502, negative: 441, negative conditional: 0, negative unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 441, positive: 263, positive conditional: 150, positive unconditional: 113, negative: 178, negative conditional: 64, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, positive: 324, positive conditional: 162, positive unconditional: 162, negative: 310, negative conditional: 192, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 675118, positive: 631101, positive conditional: 485907, positive unconditional: 145194, negative: 42074, negative conditional: 17543, negative unconditional: 24531, unknown: 1943, unknown conditional: 249, unknown unconditional: 1694] , Statistics on independence cache: Total cache size (in pairs): 1943, Positive cache size: 1765, Positive conditional cache size: 185, Positive unconditional cache size: 1580, Negative cache size: 178, Negative conditional cache size: 64, Negative unconditional cache size: 114, Eliminated conditions: 162637, Maximal queried relation: 3, Independence queries for same thread: 28283 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1443, Number of persistent set computation: 17143, Number of trivial persistent sets: 15552, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1794, positive: 1680, positive conditional: 0, positive unconditional: 1680, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 667729, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 34863, negative conditional: 34749, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 639446, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 6580, negative conditional: 6466, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 639446, positive: 632866, positive conditional: 631186, positive unconditional: 1680, negative: 6580, negative conditional: 6466, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 630664, positive unconditional: 2202, negative: 42252, negative conditional: 35672, negative unconditional: 6580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 486092, positive unconditional: 146774, negative: 42252, negative conditional: 17607, negative unconditional: 24645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675118, positive: 632866, positive conditional: 486092, positive unconditional: 146774, negative: 42252, negative conditional: 17607, negative unconditional: 24645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1943, positive: 1765, positive conditional: 185, positive unconditional: 1580, negative: 178, negative conditional: 64, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1943, positive: 1502, positive conditional: 0, positive unconditional: 1502, negative: 441, negative conditional: 0, negative unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 441, positive: 263, positive conditional: 150, positive unconditional: 113, negative: 178, negative conditional: 64, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, positive: 324, positive conditional: 162, positive unconditional: 162, negative: 310, negative conditional: 192, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 675118, positive: 631101, positive conditional: 485907, positive unconditional: 145194, negative: 42074, negative conditional: 17543, negative unconditional: 24531, unknown: 1943, unknown conditional: 249, unknown unconditional: 1694] , Statistics on independence cache: Total cache size (in pairs): 1943, Positive cache size: 1765, Positive conditional cache size: 185, Positive unconditional cache size: 1580, Negative cache size: 178, Negative conditional cache size: 64, Negative unconditional cache size: 114, Eliminated conditions: 162637, Maximal queried relation: 3, Independence queries for same thread: 28283 - 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: 40]: 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 7107.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 6975.5ms, 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6020.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 4747.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.0ms SsaConstructionTime, 321.8ms SatisfiabilityAnalysisTime, 573.1ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 1 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 45/47 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! [2021-08-23 08:01:26,718 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 [2021-08-23 08:01:26,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-23 08:01:27,138 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...