/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 18:43:46,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 18:43:46,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 18:43:46,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 18:43:46,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 18:43:46,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 18:43:46,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 18:43:46,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 18:43:46,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 18:43:46,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 18:43:46,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 18:43:46,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 18:43:46,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 18:43:46,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 18:43:46,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 18:43:46,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 18:43:46,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 18:43:46,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 18:43:46,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 18:43:46,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 18:43:46,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 18:43:46,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 18:43:46,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 18:43:46,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 18:43:46,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 18:43:46,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 18:43:46,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 18:43:46,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 18:43:46,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 18:43:46,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 18:43:46,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 18:43:46,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 18:43:46,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 18:43:46,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 18:43:46,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 18:43:46,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 18:43:46,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 18:43:46,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 18:43:46,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 18:43:46,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 18:43:46,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 18:43:46,193 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-NewStatesSleepPersistent-NoLbe.epf [2021-08-22 18:43:46,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 18:43:46,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 18:43:46,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 18:43:46,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 18:43:46,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 18:43:46,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 18:43:46,231 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 18:43:46,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 18:43:46,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 18:43:46,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 18:43:46,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 18:43:46,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 18:43:46,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 18:43:46,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:43:46,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 18:43:46,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 18:43:46,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 18:43:46,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 18:43:46,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 18:43:46,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 18:43:46,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 18:43:46,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 18:43:46,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 18:43:46,554 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 18:43:46,556 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 18:43:46,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl [2021-08-22 18:43:46,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct04.bpl' [2021-08-22 18:43:46,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 18:43:46,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 18:43:46,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 18:43:46,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 18:43:46,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 18:43:46,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 18:43:46,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 18:43:46,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 18:43:46,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 18:43:46,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 18:43:46,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 18:43:46,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 18:43:46,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 18:43:46,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/1) ... [2021-08-22 18:43:46,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 18:43:46,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:43:46,670 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) [2021-08-22 18:43:46,694 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 [2021-08-22 18:43:46,718 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-22 18:43:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-22 18:43:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-22 18:43:46,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-22 18:43:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-22 18:43:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-22 18:43:46,719 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-22 18:43:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-22 18:43:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-22 18:43:46,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 18:43:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 18:43:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 18:43:46,721 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 18:43:46,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 18:43:46,973 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-22 18:43:46,973 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-22 18:43:46,974 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-22 18:43:46,975 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:43:46 BoogieIcfgContainer [2021-08-22 18:43:46,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 18:43:46,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 18:43:46,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 18:43:46,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 18:43:46,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 06:43:46" (1/2) ... [2021-08-22 18:43:46,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e8253a and model type bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:43:46, skipping insertion in model container [2021-08-22 18:43:46,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:43:46" (2/2) ... [2021-08-22 18:43:46,980 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct04.bpl [2021-08-22 18:43:46,984 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 18:43:46,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 18:43:46,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 18:43:46,985 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 18:43:47,012 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 18:43:47,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:43:47,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:43:47,052 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) [2021-08-22 18:43:47,100 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 [2021-08-22 18:43:47,123 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 18:43:47,140 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 [2021-08-22 18:43:47,140 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-22 18:43:47,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 18:43:47,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 18:43:47,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 18:43:47,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 18:43:47,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-22 18:43:47,429 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-22 18:43:47,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 18:43:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 18:43:47,435 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) [2021-08-22 18:43:47,436 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 [2021-08-22 18:43:47,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-22 18:43:47,441 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 [2021-08-22 18:43:47,441 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-22 18:43:47,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 18:43:47,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:43:47,529 INFO L82 PathProgramCache]: Analyzing trace with hash 147932698, now seen corresponding path program 1 times [2021-08-22 18:43:47,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:43:47,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895482770] [2021-08-22 18:43:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:43:47,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:43:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:43:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 18:43:47,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:43:47,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895482770] [2021-08-22 18:43:47,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895482770] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:43:47,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:43:47,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 18:43:47,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940899989] [2021-08-22 18:43:47,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:43:47,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:43:47,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:43:47,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:43:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:47,655 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:43:47,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) 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) [2021-08-22 18:43:47,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:47,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 18:43:47,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 18:43:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:43:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1686268966, now seen corresponding path program 1 times [2021-08-22 18:43:47,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:43:47,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927224535] [2021-08-22 18:43:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:43:47,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:43:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:43:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 18:43:47,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:43:47,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927224535] [2021-08-22 18:43:47,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927224535] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:43:47,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:43:47,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 18:43:47,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016976344] [2021-08-22 18:43:47,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 18:43:47,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:43:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 18:43:47,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-22 18:43:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:47,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:43:47,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-08-22 18:43:47,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:47,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:43:48,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 18:43:48,024 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-22 18:43:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 18:43:48,024 INFO L82 PathProgramCache]: Analyzing trace with hash 894757464, now seen corresponding path program 1 times [2021-08-22 18:43:48,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 18:43:48,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192387335] [2021-08-22 18:43:48,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 18:43:48,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 18:43:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 18:43:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-22 18:43:48,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 18:43:48,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192387335] [2021-08-22 18:43:48,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192387335] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 18:43:48,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 18:43:48,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 18:43:48,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289450916] [2021-08-22 18:43:48,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 18:43:48,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 18:43:48,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 18:43:48,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 18:43:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:48,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 18:43:48,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-08-22 18:43:48,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:48,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:43:48,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 18:43:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 18:43:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 18:43:48,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-22 18:43:48,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 18:43:48,418 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-22 18:43:48,419 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 18:43:48,419 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 18:43:48,426 INFO L202 PluginConnector]: Adding new model bluetooth-correct04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:43:48 BasicIcfg [2021-08-22 18:43:48,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 18:43:48,429 INFO L168 Benchmark]: Toolchain (without parser) took 1848.44 ms. Allocated memory is still 189.8 MB. Free memory was 169.9 MB in the beginning and 128.2 MB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. [2021-08-22 18:43:48,429 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 189.8 MB. Free memory was 171.1 MB in the beginning and 170.9 MB in the end (delta: 115.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 18:43:48,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 189.8 MB. Free memory was 169.8 MB in the beginning and 168.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 18:43:48,431 INFO L168 Benchmark]: Boogie Preprocessor took 17.43 ms. Allocated memory is still 189.8 MB. Free memory was 168.0 MB in the beginning and 167.1 MB in the end (delta: 893.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 18:43:48,431 INFO L168 Benchmark]: RCFGBuilder took 336.84 ms. Allocated memory is still 189.8 MB. Free memory was 167.0 MB in the beginning and 152.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 18:43:48,431 INFO L168 Benchmark]: TraceAbstraction took 1449.92 ms. Allocated memory is still 189.8 MB. Free memory was 151.6 MB in the beginning and 128.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 8.0 GB. [2021-08-22 18:43:48,433 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 0.16 ms. Allocated memory is still 189.8 MB. Free memory was 171.1 MB in the beginning and 170.9 MB in the end (delta: 115.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 189.8 MB. Free memory was 169.8 MB in the beginning and 168.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.43 ms. Allocated memory is still 189.8 MB. Free memory was 168.0 MB in the beginning and 167.1 MB in the end (delta: 893.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 336.84 ms. Allocated memory is still 189.8 MB. Free memory was 167.0 MB in the beginning and 152.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1449.92 ms. Allocated memory is still 189.8 MB. Free memory was 151.6 MB in the beginning and 128.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.9 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: 466, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 460, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 417, unknown conditional: 0, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 216, Number of persistent set computation: 9, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 417, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 466, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 26, negative conditional: 6, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 43, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 460, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 460, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 417, unknown conditional: 0, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - 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: 11861, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 290, negative conditional: 248, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11669, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 98, negative conditional: 56, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11669, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 98, negative conditional: 56, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 10892, positive unconditional: 679, negative: 193, negative conditional: 95, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 4607, positive unconditional: 6964, negative: 193, negative conditional: 43, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 4607, positive unconditional: 6964, negative: 193, negative conditional: 43, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 733, positive: 679, positive conditional: 55, positive unconditional: 624, negative: 54, negative conditional: 12, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 733, positive: 599, positive conditional: 0, positive unconditional: 599, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 80, positive conditional: 39, positive unconditional: 41, negative: 54, negative conditional: 12, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 296, positive: 195, positive conditional: 65, positive unconditional: 130, negative: 101, negative conditional: 15, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11764, positive: 10892, positive conditional: 4552, positive unconditional: 6340, negative: 139, negative conditional: 31, negative unconditional: 108, unknown: 733, unknown conditional: 67, unknown unconditional: 666] , Statistics on independence cache: Total cache size (in pairs): 733, Positive cache size: 679, Positive conditional cache size: 55, Positive unconditional cache size: 624, Negative cache size: 54, Negative conditional cache size: 12, Negative unconditional cache size: 42, Eliminated conditions: 6337, Maximal queried relation: 2, Independence queries for same thread: 192 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 312, Number of persistent set computation: 340, Number of trivial persistent sets: 82, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696, positive: 654, positive conditional: 0, positive unconditional: 654, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11861, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 290, negative conditional: 248, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11669, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 98, negative conditional: 56, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11669, positive: 11571, positive conditional: 10917, positive unconditional: 654, negative: 98, negative conditional: 56, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 10892, positive unconditional: 679, negative: 193, negative conditional: 95, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 4607, positive unconditional: 6964, negative: 193, negative conditional: 43, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11764, positive: 11571, positive conditional: 4607, positive unconditional: 6964, negative: 193, negative conditional: 43, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 733, positive: 679, positive conditional: 55, positive unconditional: 624, negative: 54, negative conditional: 12, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 733, positive: 599, positive conditional: 0, positive unconditional: 599, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 134, positive: 80, positive conditional: 39, positive unconditional: 41, negative: 54, negative conditional: 12, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 296, positive: 195, positive conditional: 65, positive unconditional: 130, negative: 101, negative conditional: 15, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11764, positive: 10892, positive conditional: 4552, positive unconditional: 6340, negative: 139, negative conditional: 31, negative unconditional: 108, unknown: 733, unknown conditional: 67, unknown unconditional: 666] , Statistics on independence cache: Total cache size (in pairs): 733, Positive cache size: 679, Positive conditional cache size: 55, Positive unconditional cache size: 624, Negative cache size: 54, Negative conditional cache size: 12, Negative unconditional cache size: 42, Eliminated conditions: 6337, Maximal queried relation: 2, Independence queries for same thread: 192 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 382.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.1ms, PartialOrderReductionTime: 256.8ms, 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 9 procedures, 50 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 984.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 685.7ms, 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: 6.4ms SsaConstructionTime, 32.8ms SatisfiabilityAnalysisTime, 136.2ms InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 23/23 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! [2021-08-22 18:43:48,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-08-22 18:43:48,690 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 [2021-08-22 18:43:48,886 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...