/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 05:20:21,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 05:20:21,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 05:20:21,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 05:20:21,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 05:20:21,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 05:20:21,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 05:20:21,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 05:20:21,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 05:20:21,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 05:20:21,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 05:20:21,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 05:20:21,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 05:20:21,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 05:20:21,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 05:20:21,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 05:20:21,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 05:20:21,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 05:20:21,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 05:20:21,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 05:20:21,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 05:20:21,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 05:20:21,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 05:20:21,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 05:20:21,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-23 05:20:21,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-23 05:20:21,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-23 05:20:21,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-23 05:20:21,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-23 05:20:21,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-23 05:20:21,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 05:20:21,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 05:20:21,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 05:20:21,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 05:20:21,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 05:20:21,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 05:20:21,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 05:20:21,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 05:20:21,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 05:20:21,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 05:20:21,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 05:20:21,218 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-Random42.epf [2021-08-23 05:20:21,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 05:20:21,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 05:20:21,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 05:20:21,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 05:20:21,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 05:20:21,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 05:20:21,252 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 05:20:21,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 05:20:21,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 05:20:21,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 05:20:21,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 05:20:21,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 05:20:21,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 05:20:21,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 05:20:21,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 05:20:21,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:20:21,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 05:20:21,255 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 05:20:21,256 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 05:20:21,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 05:20:21,257 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 05:20:21,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 05:20:21,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 05:20:21,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 05:20:21,545 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 05:20:21,545 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 05:20:21,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl [2021-08-23 05:20:21,546 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl' [2021-08-23 05:20:21,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 05:20:21,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 05:20:21,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 05:20:21,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 05:20:21,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 05:20:21,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 05:20:21,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 05:20:21,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 05:20:21,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 05:20:21,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 05:20:21,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 05:20:21,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 05:20:21,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 05:20:21,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/1) ... [2021-08-23 05:20:21,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:20:21,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:20:21,648 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 05:20:21,650 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 05:20:21,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-23 05:20:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-23 05:20:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-23 05:20:21,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-23 05:20:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-23 05:20:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-23 05:20:21,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-23 05:20:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-23 05:20:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-23 05:20:21,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 05:20:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 05:20:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 05:20:21,683 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 05:20:21,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 05:20:21,924 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-23 05:20:21,925 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-23 05:20:21,925 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-23 05:20:21,926 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:20:21 BoogieIcfgContainer [2021-08-23 05:20:21,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 05:20:21,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 05:20:21,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 05:20:21,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 05:20:21,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 05:20:21" (1/2) ... [2021-08-23 05:20:21,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6e202f and model type bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:20:21, skipping insertion in model container [2021-08-23 05:20:21,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:20:21" (2/2) ... [2021-08-23 05:20:21,938 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized03.bpl [2021-08-23 05:20:21,941 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 05:20:21,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 05:20:21,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 05:20:21,941 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 05:20:21,983 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-23 05:20:22,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:20:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:20:22,045 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 05:20:22,069 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 05:20:22,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 05:20:22,114 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 05:20:22,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 05:20:22,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 05:20:22,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 05:20:22,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 05:20:22,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 05:20:22,478 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-23 05:20:22,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:20:22,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:20:22,497 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 05:20:22,498 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 05:20:22,500 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-23 05:20:22,502 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 05:20:22,502 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-23 05:20:22,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:20:22,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:20:22,584 INFO L82 PathProgramCache]: Analyzing trace with hash 554263650, now seen corresponding path program 1 times [2021-08-23 05:20:22,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:20:22,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187082761] [2021-08-23 05:20:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:20:22,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:20:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:20:22,677 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 05:20:22,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:20:22,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187082761] [2021-08-23 05:20:22,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187082761] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:20:22,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:20:22,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:20:22,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449859466] [2021-08-23 05:20:22,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:20:22,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:20:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:20:22,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:20:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:22,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:20:22,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 05:20:22,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:20:22,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 05:20:22,818 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:20:22,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:20:22,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2065938734, now seen corresponding path program 1 times [2021-08-23 05:20:22,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:20:22,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315252235] [2021-08-23 05:20:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:20:22,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:20:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:20:22,847 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 05:20:22,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:20:22,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315252235] [2021-08-23 05:20:22,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315252235] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:20:22,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:20:22,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-23 05:20:22,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452179111] [2021-08-23 05:20:22,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-23 05:20:22,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:20:22,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-23 05:20:22,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-23 05:20:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:22,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:20:22,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 05:20:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:20:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:20:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 05:20:22,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 05:20:22,923 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-23 05:20:22,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:20:22,923 INFO L82 PathProgramCache]: Analyzing trace with hash -995240642, now seen corresponding path program 1 times [2021-08-23 05:20:22,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:20:22,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674706909] [2021-08-23 05:20:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:20:22,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:20:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:20:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 05:20:22,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:20:22,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674706909] [2021-08-23 05:20:22,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674706909] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:20:22,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:20:22,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:20:22,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701213106] [2021-08-23 05:20:22,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-23 05:20:22,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:20:22,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-23 05:20:22,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-23 05:20:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:22,976 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:20:22,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 05:20:22,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:20:22,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-23 05:20:22,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:20:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:20:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-23 05:20:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-23 05:20:23,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-23 05:20:23,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-23 05:20:23,095 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-23 05:20:23,095 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 05:20:23,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 05:20:23,097 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 05:20:23 BasicIcfg [2021-08-23 05:20:23,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 05:20:23,098 INFO L168 Benchmark]: Toolchain (without parser) took 1528.33 ms. Allocated memory is still 211.8 MB. Free memory was 192.5 MB in the beginning and 110.5 MB in the end (delta: 82.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 8.0 GB. [2021-08-23 05:20:23,099 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 211.8 MB. Free memory is still 193.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 05:20:23,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.96 ms. Allocated memory is still 211.8 MB. Free memory was 192.5 MB in the beginning and 190.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 05:20:23,099 INFO L168 Benchmark]: Boogie Preprocessor took 13.61 ms. Allocated memory is still 211.8 MB. Free memory was 190.6 MB in the beginning and 189.7 MB in the end (delta: 909.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 05:20:23,100 INFO L168 Benchmark]: RCFGBuilder took 312.91 ms. Allocated memory is still 211.8 MB. Free memory was 189.7 MB in the beginning and 175.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 05:20:23,102 INFO L168 Benchmark]: TraceAbstraction took 1169.87 ms. Allocated memory is still 211.8 MB. Free memory was 174.9 MB in the beginning and 110.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. [2021-08-23 05:20:23,109 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 211.8 MB. Free memory is still 193.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.96 ms. Allocated memory is still 211.8 MB. Free memory was 192.5 MB in the beginning and 190.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.61 ms. Allocated memory is still 211.8 MB. Free memory was 190.6 MB in the beginning and 189.7 MB in the end (delta: 909.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 312.91 ms. Allocated memory is still 211.8 MB. Free memory was 189.7 MB in the beginning and 175.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1169.87 ms. Allocated memory is still 211.8 MB. Free memory was 174.9 MB in the beginning and 110.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 65.3 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: 1759, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 354, negative conditional: 333, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 175, negative conditional: 154, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 175, negative conditional: 154, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 423, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 423, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1580, positive: 1003, positive conditional: 0, positive unconditional: 1003, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 423, unknown conditional: 0, unknown unconditional: 423] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 402, Positive conditional cache size: 0, Positive unconditional cache size: 402, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 179 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 237, Number of persistent set computation: 131, Number of trivial persistent sets: 131, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 445, positive: 424, positive conditional: 0, positive unconditional: 424, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1759, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 354, negative conditional: 333, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 175, negative conditional: 154, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 981, positive unconditional: 424, negative: 175, negative conditional: 154, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 1405, positive conditional: 0, positive unconditional: 1405, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 423, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 423, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1580, positive: 1003, positive conditional: 0, positive unconditional: 1003, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 423, unknown conditional: 0, unknown unconditional: 423] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 402, Positive conditional cache size: 0, Positive unconditional cache size: 402, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 179 - 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: 4199, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 182, negative conditional: 157, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4111, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 94, negative conditional: 69, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4111, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 94, negative conditional: 69, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 3190, positive unconditional: 827, negative: 164, negative conditional: 70, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 2126, positive unconditional: 1891, negative: 164, negative conditional: 20, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 2126, positive unconditional: 1891, negative: 164, negative conditional: 20, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 517, positive: 483, positive conditional: 43, positive unconditional: 440, negative: 34, negative conditional: 9, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 517, positive: 414, positive conditional: 0, positive unconditional: 414, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 69, positive conditional: 37, positive unconditional: 32, negative: 34, negative conditional: 9, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 107, positive conditional: 63, positive unconditional: 44, negative: 69, negative conditional: 9, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4181, positive: 3534, positive conditional: 2083, positive unconditional: 1451, negative: 130, negative conditional: 11, negative unconditional: 119, unknown: 517, unknown conditional: 52, unknown unconditional: 465] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 483, Positive conditional cache size: 43, Positive unconditional cache size: 440, Negative cache size: 34, Negative conditional cache size: 9, Negative unconditional cache size: 25, Eliminated conditions: 1114, Maximal queried relation: 2, Independence queries for same thread: 88 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 132, Number of persistent set computation: 162, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 488, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4199, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 182, negative conditional: 157, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4111, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 94, negative conditional: 69, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4111, positive: 4017, positive conditional: 3554, positive unconditional: 463, negative: 94, negative conditional: 69, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 3190, positive unconditional: 827, negative: 164, negative conditional: 70, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 2126, positive unconditional: 1891, negative: 164, negative conditional: 20, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4181, positive: 4017, positive conditional: 2126, positive unconditional: 1891, negative: 164, negative conditional: 20, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 517, positive: 483, positive conditional: 43, positive unconditional: 440, negative: 34, negative conditional: 9, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 517, positive: 414, positive conditional: 0, positive unconditional: 414, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 69, positive conditional: 37, positive unconditional: 32, negative: 34, negative conditional: 9, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 107, positive conditional: 63, positive unconditional: 44, negative: 69, negative conditional: 9, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4181, positive: 3534, positive conditional: 2083, positive unconditional: 1451, negative: 130, negative conditional: 11, negative unconditional: 119, unknown: 517, unknown conditional: 52, unknown unconditional: 465] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 483, Positive conditional cache size: 43, Positive unconditional cache size: 440, Negative cache size: 34, Negative conditional cache size: 9, Negative unconditional cache size: 25, Eliminated conditions: 1114, Maximal queried relation: 2, Independence queries for same thread: 88 - 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: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 458.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.8ms, PartialOrderReductionTime: 335.5ms, 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 609.2ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 387.2ms, 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: 2.8ms SsaConstructionTime, 17.6ms SatisfiabilityAnalysisTime, 99.8ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 05:20:23,170 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 05:20:23,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-23 05:20:23,579 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...