/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 12:02:37,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 12:02:37,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 12:02:38,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 12:02:38,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 12:02:38,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 12:02:38,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 12:02:38,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 12:02:38,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 12:02:38,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 12:02:38,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 12:02:38,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 12:02:38,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 12:02:38,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 12:02:38,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 12:02:38,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 12:02:38,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 12:02:38,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 12:02:38,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 12:02:38,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 12:02:38,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 12:02:38,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 12:02:38,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 12:02:38,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 12:02:38,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-22 12:02:38,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-22 12:02:38,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-22 12:02:38,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-22 12:02:38,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-22 12:02:38,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-22 12:02:38,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-22 12:02:38,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-22 12:02:38,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-22 12:02:38,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-22 12:02:38,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-22 12:02:38,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-22 12:02:38,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-22 12:02:38,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-22 12:02:38,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 12:02:38,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 12:02:38,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 12:02:38,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf [2021-10-22 12:02:38,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 12:02:38,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 12:02:38,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 12:02:38,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 12:02:38,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 12:02:38,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 12:02:38,089 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 12:02:38,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 12:02:38,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 12:02:38,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 12:02:38,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 12:02:38,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 12:02:38,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 12:02:38,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:02:38,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 12:02:38,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 12:02:38,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 12:02:38,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 12:02:38,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 12:02:38,095 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 12:02:38,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 12:02:38,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 12:02:38,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 12:02:38,305 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 12:02:38,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 12:02:38,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl [2021-10-22 12:02:38,307 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized06.bpl' [2021-10-22 12:02:38,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 12:02:38,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 12:02:38,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 12:02:38,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 12:02:38,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 12:02:38,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 12:02:38,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 12:02:38,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 12:02:38,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 12:02:38,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 12:02:38,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 12:02:38,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 12:02:38,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 12:02:38,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/1) ... [2021-10-22 12:02:38,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:02:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:38,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 12:02:38,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 12:02:38,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-22 12:02:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-22 12:02:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-22 12:02:38,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-22 12:02:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-22 12:02:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-22 12:02:38,432 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-22 12:02:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-22 12:02:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-22 12:02:38,433 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 12:02:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 12:02:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 12:02:38,433 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 12:02:38,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 12:02:38,634 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-22 12:02:38,634 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-22 12:02:38,634 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-22 12:02:38,636 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:02:38 BoogieIcfgContainer [2021-10-22 12:02:38,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 12:02:38,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 12:02:38,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 12:02:38,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 12:02:38,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:02:38" (1/2) ... [2021-10-22 12:02:38,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233c62ab and model type bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:02:38, skipping insertion in model container [2021-10-22 12:02:38,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:02:38" (2/2) ... [2021-10-22 12:02:38,641 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized06.bpl [2021-10-22 12:02:38,644 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 12:02:38,644 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 12:02:38,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 12:02:38,644 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 12:02:38,694 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 12:02:38,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:02:38,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:38,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 12:02:38,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 12:02:38,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 12:02:38,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 12:02:38,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-22 12:02:39,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 12:02:39,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 12:02:39,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 12:02:39,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 12:02:39,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-22 12:02:39,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-22 12:02:39,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-22 12:02:39,019 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-22 12:02:39,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:02:39,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:39,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 12:02:39,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-22 12:02:39,029 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-22 12:02:39,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 12:02:39,030 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 12:02:39,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:39,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1764679558, now seen corresponding path program 1 times [2021-10-22 12:02:39,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:39,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696983247] [2021-10-22 12:02:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:39,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:02:39,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:39,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696983247] [2021-10-22 12:02:39,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696983247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:02:39,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:02:39,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 12:02:39,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030184504] [2021-10-22 12:02:39,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 12:02:39,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:39,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 12:02:39,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 12:02:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:39,323 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:39,323 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) [2021-10-22 12:02:39,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:39,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:39,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 12:02:39,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:39,393 INFO L82 PathProgramCache]: Analyzing trace with hash -99499271, now seen corresponding path program 1 times [2021-10-22 12:02:39,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:39,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007439501] [2021-10-22 12:02:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:39,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:02:39,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:39,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007439501] [2021-10-22 12:02:39,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007439501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:02:39,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:02:39,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 12:02:39,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923244196] [2021-10-22 12:02:39,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 12:02:39,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:39,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 12:02:39,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-22 12:02:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:39,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:39,416 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) [2021-10-22 12:02:39,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:39,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:40,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 12:02:40,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:40,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:40,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1184533625, now seen corresponding path program 1 times [2021-10-22 12:02:40,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:40,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101076539] [2021-10-22 12:02:40,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:40,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 12:02:40,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:40,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101076539] [2021-10-22 12:02:40,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101076539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:40,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945709771] [2021-10-22 12:02:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:40,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:40,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:02:40,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 12:02:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:40,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 12:02:40,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:02:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 12:02:40,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945709771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:40,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:02:40,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-22 12:02:40,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453659637] [2021-10-22 12:02:40,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 12:02:40,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:40,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 12:02:40,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-22 12:02:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:40,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:40,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:02:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:40,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:40,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:41,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:41,133 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1182955899, now seen corresponding path program 1 times [2021-10-22 12:02:41,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:41,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020312965] [2021-10-22 12:02:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:41,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 12:02:41,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:41,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020312965] [2021-10-22 12:02:41,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020312965] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:41,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320624190] [2021-10-22 12:02:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:41,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:41,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:41,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:02:41,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 12:02:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:41,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-22 12:02:41,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:02:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 12:02:41,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320624190] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:41,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:02:41,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-22 12:02:41,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626174550] [2021-10-22 12:02:41,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-22 12:02:41,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:41,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-22 12:02:41,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-22 12:02:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:41,358 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:41,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:02:41,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:41,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:41,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:41,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:41,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:41,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:41,790 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:41,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:41,790 INFO L82 PathProgramCache]: Analyzing trace with hash -404174964, now seen corresponding path program 1 times [2021-10-22 12:02:41,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:41,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297764498] [2021-10-22 12:02:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:41,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 12:02:41,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:41,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297764498] [2021-10-22 12:02:41,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297764498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:41,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364311080] [2021-10-22 12:02:41,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:41,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:41,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:41,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:02:41,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 12:02:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:41,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 12:02:41,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:02:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 12:02:42,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364311080] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:42,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:02:42,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-10-22 12:02:42,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554682610] [2021-10-22 12:02:42,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 12:02:42,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:42,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 12:02:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-22 12:02:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:42,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:42,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:02:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 12:02:42,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:42,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:42,974 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:42,974 INFO L82 PathProgramCache]: Analyzing trace with hash 55377150, now seen corresponding path program 1 times [2021-10-22 12:02:42,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:42,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069491580] [2021-10-22 12:02:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:42,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 12:02:43,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:43,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069491580] [2021-10-22 12:02:43,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069491580] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:43,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325766307] [2021-10-22 12:02:43,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:43,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:43,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:43,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:02:43,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 12:02:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:43,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-22 12:02:43,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:02:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-22 12:02:43,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325766307] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:43,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:02:43,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-22 12:02:43,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825728693] [2021-10-22 12:02:43,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-22 12:02:43,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:43,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-22 12:02:43,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-22 12:02:43,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:43,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:43,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:02:43,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:43,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:43,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:43,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:43,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 12:02:43,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 12:02:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 12:02:46,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:46,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:46,544 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:02:46,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:02:46,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1515756595, now seen corresponding path program 1 times [2021-10-22 12:02:46,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:02:46,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812224255] [2021-10-22 12:02:46,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:46,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:02:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-22 12:02:46,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:02:46,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812224255] [2021-10-22 12:02:46,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812224255] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:46,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917525805] [2021-10-22 12:02:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:02:46,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:46,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:02:46,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:02:46,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 12:02:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:02:46,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-22 12:02:46,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:02:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-22 12:02:46,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917525805] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:02:46,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:02:46,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-22 12:02:46,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092326275] [2021-10-22 12:02:46,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 12:02:46,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:02:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 12:02:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-22 12:02:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:46,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:02:46,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:02:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 12:02:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 12:02:46,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 12:02:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 12:02:48,064 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-22 12:02:48,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:48,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:48,272 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-22 12:02:48,273 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 12:02:48,273 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 12:02:48,275 INFO L202 PluginConnector]: Adding new model bluetooth-customized06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:02:48 BasicIcfg [2021-10-22 12:02:48,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 12:02:48,276 INFO L168 Benchmark]: Toolchain (without parser) took 9946.15 ms. Allocated memory was 206.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 172.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 453.2 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:48,276 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 206.6 MB. Free memory is still 173.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 12:02:48,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 206.6 MB. Free memory was 172.0 MB in the beginning and 170.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:48,277 INFO L168 Benchmark]: Boogie Preprocessor took 11.73 ms. Allocated memory is still 206.6 MB. Free memory was 170.1 MB in the beginning and 169.2 MB in the end (delta: 907.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:48,277 INFO L168 Benchmark]: RCFGBuilder took 265.47 ms. Allocated memory is still 206.6 MB. Free memory was 169.2 MB in the beginning and 154.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:48,278 INFO L168 Benchmark]: TraceAbstraction took 9638.04 ms. Allocated memory was 206.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 154.3 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 434.4 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:48,278 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 0.28 ms. Allocated memory is still 206.6 MB. Free memory is still 173.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.83 ms. Allocated memory is still 206.6 MB. Free memory was 172.0 MB in the beginning and 170.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.73 ms. Allocated memory is still 206.6 MB. Free memory was 170.1 MB in the beginning and 169.2 MB in the end (delta: 907.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 265.47 ms. Allocated memory is still 206.6 MB. Free memory was 169.2 MB in the beginning and 154.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9638.04 ms. Allocated memory was 206.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 154.3 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 434.4 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: 995, positive: 963, positive conditional: 145, positive unconditional: 818, negative: 32, negative conditional: 15, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 980, positive: 963, positive conditional: 0, positive unconditional: 963, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 835, positive: 818, positive conditional: 0, positive unconditional: 818, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 835, positive: 757, positive conditional: 0, positive unconditional: 757, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 980, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 835, unknown conditional: 0, unknown unconditional: 835] , Statistics on independence cache: Total cache size (in pairs): 835, Positive cache size: 818, Positive conditional cache size: 0, Positive unconditional cache size: 818, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 15 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 163, Number of persistent set computation: 11, Number of trivial persistent sets: 5, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 995, positive: 963, positive conditional: 145, positive unconditional: 818, negative: 32, negative conditional: 15, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 980, positive: 963, positive conditional: 0, positive unconditional: 963, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 835, positive: 818, positive conditional: 0, positive unconditional: 818, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 835, positive: 757, positive conditional: 0, positive unconditional: 757, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 980, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 835, unknown conditional: 0, unknown unconditional: 835] , Statistics on independence cache: Total cache size (in pairs): 835, Positive cache size: 818, Positive conditional cache size: 0, Positive unconditional cache size: 818, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Independence queries for same thread: 15 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1991150, positive: 1713356, positive conditional: 1711960, positive unconditional: 1396, negative: 277794, negative conditional: 277742, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1916776, positive: 1713356, positive conditional: 0, positive unconditional: 1713356, negative: 203420, negative conditional: 0, negative unconditional: 203420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1369, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1369, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 200, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1916776, positive: 1712039, positive conditional: 0, positive unconditional: 1712039, negative: 203368, negative conditional: 0, negative unconditional: 203368, unknown: 1369, unknown conditional: 0, unknown unconditional: 1369] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1317, Positive conditional cache size: 0, Positive unconditional cache size: 1317, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 74374 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 699, Number of persistent set computation: 6812, Number of trivial persistent sets: 4460, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1991150, positive: 1713356, positive conditional: 1711960, positive unconditional: 1396, negative: 277794, negative conditional: 277742, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1916776, positive: 1713356, positive conditional: 0, positive unconditional: 1713356, negative: 203420, negative conditional: 0, negative unconditional: 203420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1369, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1369, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 200, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1916776, positive: 1712039, positive conditional: 0, positive unconditional: 1712039, negative: 203368, negative conditional: 0, negative unconditional: 203368, unknown: 1369, unknown conditional: 0, unknown unconditional: 1369] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1317, Positive conditional cache size: 0, Positive unconditional cache size: 1317, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 74374 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 286.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35.1ms, PartialOrderReductionTime: 200.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 9250.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 6514.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 32.4ms SsaConstructionTime, 127.4ms SatisfiabilityAnalysisTime, 1087.5ms InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 252/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-22 12:02:48,303 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 [2021-10-22 12:02:48,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-22 12:02:48,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...