/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 02:37:19,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 02:37:19,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 02:37:19,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 02:37:19,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 02:37:19,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 02:37:19,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 02:37:19,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 02:37:19,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 02:37:19,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 02:37:19,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 02:37:19,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 02:37:19,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 02:37:19,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 02:37:19,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 02:37:19,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 02:37:19,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 02:37:19,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 02:37:19,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 02:37:19,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 02:37:19,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 02:37:19,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 02:37:19,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 02:37:19,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 02:37:19,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-23 02:37:19,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-23 02:37:19,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-23 02:37:19,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-23 02:37:19,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-23 02:37:19,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-23 02:37:19,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 02:37:19,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 02:37:19,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 02:37:19,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 02:37:19,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 02:37:19,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 02:37:19,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 02:37:19,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 02:37:19,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 02:37:19,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 02:37:19,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 02:37:19,260 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-Lockstep.epf [2021-08-23 02:37:19,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 02:37:19,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 02:37:19,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 02:37:19,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 02:37:19,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 02:37:19,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 02:37:19,289 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 02:37:19,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 02:37:19,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 02:37:19,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 02:37:19,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 02:37:19,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:37:19,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 02:37:19,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 02:37:19,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 02:37:19,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 02:37:19,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 02:37:19,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 02:37:19,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 02:37:19,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 02:37:19,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl [2021-08-23 02:37:19,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl' [2021-08-23 02:37:19,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 02:37:19,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 02:37:19,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 02:37:19,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 02:37:19,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 02:37:19,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 02:37:19,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 02:37:19,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 02:37:19,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 02:37:19,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 02:37:19,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 02:37:19,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 02:37:19,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 02:37:19,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/1) ... [2021-08-23 02:37:19,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:37:19,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:37:19,631 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 02:37:19,635 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 02:37:19,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-23 02:37:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-23 02:37:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-23 02:37:19,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 02:37:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 02:37:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 02:37:19,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 02:37:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 02:37:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 02:37:19,658 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 02:37:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 02:37:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 02:37:19,658 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 02:37:19,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 02:37:19,885 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-23 02:37:19,885 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-23 02:37:19,885 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 02:37:19,886 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:37:19 BoogieIcfgContainer [2021-08-23 02:37:19,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 02:37:19,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 02:37:19,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 02:37:19,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 02:37:19,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:37:19" (1/2) ... [2021-08-23 02:37:19,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b0d061 and model type bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:37:19, skipping insertion in model container [2021-08-23 02:37:19,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:37:19" (2/2) ... [2021-08-23 02:37:19,891 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct04.bpl [2021-08-23 02:37:19,893 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 02:37:19,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 02:37:19,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 02:37:19,894 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 02:37:19,953 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 02:37:20,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 02:37:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:37:20,021 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 02:37:20,058 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 02:37:20,075 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 02:37:20,080 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 02:37:20,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-23 02:37:20,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 02:37:20,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 02:37:20,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 02:37:20,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 02:37:20,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 02:37:20,549 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-23 02:37:20,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 02:37:20,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:37:20,556 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 02:37:20,558 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 02:37:20,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-23 02:37:20,562 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 02:37:20,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 02:37:20,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1863030785, now seen corresponding path program 1 times [2021-08-23 02:37:20,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:20,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651352024] [2021-08-23 02:37:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:20,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 02:37:20,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:20,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651352024] [2021-08-23 02:37:20,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651352024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 02:37:20,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 02:37:20,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 02:37:20,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528546722] [2021-08-23 02:37:20,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 02:37:20,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:20,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 02:37:20,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 02:37:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:20,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:20,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 02:37:20,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 02:37:20,805 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:20,807 INFO L82 PathProgramCache]: Analyzing trace with hash 352824969, now seen corresponding path program 2 times [2021-08-23 02:37:20,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:20,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431383599] [2021-08-23 02:37:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:20,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 02:37:20,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:20,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431383599] [2021-08-23 02:37:20,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431383599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 02:37:20,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 02:37:20,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 02:37:20,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451230039] [2021-08-23 02:37:20,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 02:37:20,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 02:37:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 02:37:20,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:20,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:20,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 02:37:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:20,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 02:37:20,876 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:20,877 INFO L82 PathProgramCache]: Analyzing trace with hash -704420073, now seen corresponding path program 1 times [2021-08-23 02:37:20,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:20,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678401024] [2021-08-23 02:37:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:20,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 02:37:20,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:20,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678401024] [2021-08-23 02:37:20,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678401024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 02:37:20,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 02:37:20,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-23 02:37:20,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602295397] [2021-08-23 02:37:20,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-23 02:37:20,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:20,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-23 02:37:20,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-23 02:37:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:20,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:20,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 02:37:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:20,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:21,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 02:37:21,074 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1634524318, now seen corresponding path program 1 times [2021-08-23 02:37:21,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:21,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233778404] [2021-08-23 02:37:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:21,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 02:37:21,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:21,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233778404] [2021-08-23 02:37:21,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233778404] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 02:37:21,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 02:37:21,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-23 02:37:21,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755752704] [2021-08-23 02:37:21,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-23 02:37:21,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:21,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-23 02:37:21,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-23 02:37:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:21,152 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:21,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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 02:37:21,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:21,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 02:37:21,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-23 02:37:21,293 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:21,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1521325323, now seen corresponding path program 1 times [2021-08-23 02:37:21,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:21,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219930440] [2021-08-23 02:37:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:21,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 02:37:21,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:21,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219930440] [2021-08-23 02:37:21,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219930440] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:37:21,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316550852] [2021-08-23 02:37:21,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:21,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:37:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:37:21,407 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 02:37:21,408 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 02:37:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:21,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-23 02:37:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:37:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 02:37:21,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316550852] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:37:21,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:37:21,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-23 02:37:21,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587928955] [2021-08-23 02:37:21,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-23 02:37:21,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:21,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-23 02:37:21,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-23 02:37:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:21,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:21,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 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 02:37:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 02:37:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 02:37:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 02:37:22,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 02:37:22,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:37:22,558 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 02:37:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:37:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1503837144, now seen corresponding path program 1 times [2021-08-23 02:37:22,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:37:22,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494110302] [2021-08-23 02:37:22,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:22,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:37:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 38 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-23 02:37:22,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:37:22,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494110302] [2021-08-23 02:37:22,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494110302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:37:22,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806589966] [2021-08-23 02:37:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:37:22,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:37:22,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:37:22,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 02:37:22,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 02:37:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:37:22,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 99 conjunts are in the unsatisfiable core [2021-08-23 02:37:22,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:37:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 5 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-23 02:37:23,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806589966] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:37:23,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:37:23,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-23 02:37:23,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584889921] [2021-08-23 02:37:23,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-23 02:37:23,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:37:23,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-23 02:37:23,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-23 02:37:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:23,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:37:23,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 02:37:23,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 02:37:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-23 02:37:23,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-23 02:37:23,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 02:37:24,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:37:24,122 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-23 02:37:24,123 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 02:37:24,123 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 02:37:24,125 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:37:24 BasicIcfg [2021-08-23 02:37:24,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 02:37:24,126 INFO L168 Benchmark]: Toolchain (without parser) took 4554.59 ms. Allocated memory was 127.9 MB in the beginning and 417.3 MB in the end (delta: 289.4 MB). Free memory was 107.0 MB in the beginning and 352.7 MB in the end (delta: -245.7 MB). Peak memory consumption was 179.2 MB. Max. memory is 8.0 GB. [2021-08-23 02:37:24,126 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 127.9 MB. Free memory was 108.1 MB in the beginning and 108.0 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:37:24,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.75 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:37:24,127 INFO L168 Benchmark]: Boogie Preprocessor took 10.58 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 104.1 MB in the end (delta: 895.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:37:24,127 INFO L168 Benchmark]: RCFGBuilder took 278.83 ms. Allocated memory is still 127.9 MB. Free memory was 104.0 MB in the beginning and 88.9 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-23 02:37:24,127 INFO L168 Benchmark]: TraceAbstraction took 4237.39 ms. Allocated memory was 127.9 MB in the beginning and 417.3 MB in the end (delta: 289.4 MB). Free memory was 88.4 MB in the beginning and 352.7 MB in the end (delta: -264.3 MB). Peak memory consumption was 160.4 MB. Max. memory is 8.0 GB. [2021-08-23 02:37:24,128 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 127.9 MB. Free memory was 108.1 MB in the beginning and 108.0 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.75 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.58 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 104.1 MB in the end (delta: 895.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 278.83 ms. Allocated memory is still 127.9 MB. Free memory was 104.0 MB in the beginning and 88.9 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4237.39 ms. Allocated memory was 127.9 MB in the beginning and 417.3 MB in the end (delta: 289.4 MB). Free memory was 88.4 MB in the beginning and 352.7 MB in the end (delta: -264.3 MB). Peak memory consumption was 160.4 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: 24486, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 5596, negative conditional: 5557, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 2942, negative conditional: 2903, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 2942, negative conditional: 2903, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 640, positive: 601, positive conditional: 0, positive unconditional: 601, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 640, positive: 568, positive conditional: 0, positive unconditional: 568, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21832, positive: 18289, positive conditional: 0, positive unconditional: 18289, negative: 2903, negative conditional: 0, negative unconditional: 2903, unknown: 640, unknown conditional: 0, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 640, Positive cache size: 601, Positive conditional cache size: 0, Positive unconditional cache size: 601, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2654 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 262, Number of persistent set computation: 305, Number of trivial persistent sets: 228, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 679, positive: 640, positive conditional: 0, positive unconditional: 640, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24486, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 5596, negative conditional: 5557, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 2942, negative conditional: 2903, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 18250, positive unconditional: 640, negative: 2942, negative conditional: 2903, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21832, positive: 18890, positive conditional: 0, positive unconditional: 18890, negative: 2942, negative conditional: 0, negative unconditional: 2942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 640, positive: 601, positive conditional: 0, positive unconditional: 601, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 640, positive: 568, positive conditional: 0, positive unconditional: 568, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21832, positive: 18289, positive conditional: 0, positive unconditional: 18289, negative: 2903, negative conditional: 0, negative unconditional: 2903, unknown: 640, unknown conditional: 0, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 640, Positive cache size: 601, Positive conditional cache size: 0, Positive unconditional cache size: 601, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2654 - 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: 148146, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 9055, negative conditional: 9013, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142457, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 3366, negative conditional: 3324, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 142457, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 3366, negative conditional: 3324, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 138366, positive unconditional: 725, negative: 21887, negative conditional: 18521, negative unconditional: 3366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 108219, positive unconditional: 30872, negative: 21887, negative conditional: 13083, negative unconditional: 8804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 108219, positive unconditional: 30872, negative: 21887, negative conditional: 13083, negative unconditional: 8804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1180, positive: 932, positive conditional: 279, positive unconditional: 653, negative: 248, negative conditional: 206, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1180, positive: 629, positive conditional: 0, positive unconditional: 629, negative: 551, negative conditional: 0, negative unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 551, positive: 303, positive conditional: 262, positive unconditional: 41, negative: 248, negative conditional: 206, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 530, positive: 294, positive conditional: 236, positive unconditional: 57, negative: 237, negative conditional: 170, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160978, positive: 138159, positive conditional: 107940, positive unconditional: 30219, negative: 21639, negative conditional: 12877, negative unconditional: 8762, unknown: 1180, unknown conditional: 485, unknown unconditional: 695] , Statistics on independence cache: Total cache size (in pairs): 1180, Positive cache size: 932, Positive conditional cache size: 279, Positive unconditional cache size: 653, Negative cache size: 248, Negative conditional cache size: 206, Negative unconditional cache size: 42, Eliminated conditions: 35585, Maximal queried relation: 6, Independence queries for same thread: 5689 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 184, Number of persistent set computation: 692, Number of trivial persistent sets: 548, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 723, positive: 681, positive conditional: 0, positive unconditional: 681, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 148146, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 9055, negative conditional: 9013, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142457, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 3366, negative conditional: 3324, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 142457, positive: 139091, positive conditional: 138410, positive unconditional: 681, negative: 3366, negative conditional: 3324, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 138366, positive unconditional: 725, negative: 21887, negative conditional: 18521, negative unconditional: 3366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 108219, positive unconditional: 30872, negative: 21887, negative conditional: 13083, negative unconditional: 8804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160978, positive: 139091, positive conditional: 108219, positive unconditional: 30872, negative: 21887, negative conditional: 13083, negative unconditional: 8804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1180, positive: 932, positive conditional: 279, positive unconditional: 653, negative: 248, negative conditional: 206, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1180, positive: 629, positive conditional: 0, positive unconditional: 629, negative: 551, negative conditional: 0, negative unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 551, positive: 303, positive conditional: 262, positive unconditional: 41, negative: 248, negative conditional: 206, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 530, positive: 294, positive conditional: 236, positive unconditional: 57, negative: 237, negative conditional: 170, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160978, positive: 138159, positive conditional: 107940, positive unconditional: 30219, negative: 21639, negative conditional: 12877, negative unconditional: 8762, unknown: 1180, unknown conditional: 485, unknown unconditional: 695] , Statistics on independence cache: Total cache size (in pairs): 1180, Positive cache size: 932, Positive conditional cache size: 279, Positive unconditional cache size: 653, Negative cache size: 248, Negative conditional cache size: 206, Negative unconditional cache size: 42, Eliminated conditions: 35585, Maximal queried relation: 6, Independence queries for same thread: 5689 - 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: 37]: 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 542.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 442.6ms, 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3570.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 1674.9ms, 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: 15.5ms SsaConstructionTime, 144.9ms SatisfiabilityAnalysisTime, 1029.9ms InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 1185 SizeOfPredicates, 2 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 127/221 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 02:37:24,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-08-23 02:37:24,366 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 02:37:24,566 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...