/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 19:02:32,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 19:02:32,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 19:02:32,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-21 19:02:32,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-21 19:02:32,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-21 19:02:32,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-21 19:02:32,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-21 19:02:32,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-21 19:02:32,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-21 19:02:32,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-21 19:02:32,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-21 19:02:32,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 19:02:32,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 19:02:32,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 19:02:32,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 19:02:32,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 19:02:32,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 19:02:32,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 19:02:32,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 19:02:32,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 19:02:32,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 19:02:32,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 19:02:32,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 19:02:32,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 19:02:32,188 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-FA-NoLbe-Delay.epf [2021-08-21 19:02:32,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 19:02:32,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 19:02:32,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 19:02:32,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 19:02:32,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 19:02:32,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 19:02:32,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:02:32,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 19:02:32,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 19:02:32,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 19:02:32,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 19:02:32,223 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 19:02:32,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 19:02:32,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 19:02:32,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 19:02:32,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 19:02:32,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 19:02:32,542 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 19:02:32,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl [2021-08-21 19:02:32,544 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-incorrect09.bpl' [2021-08-21 19:02:32,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 19:02:32,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 19:02:32,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 19:02:32,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 19:02:32,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 19:02:32,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 19:02:32,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 19:02:32,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 19:02:32,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 19:02:32,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 19:02:32,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 19:02:32,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 19:02:32,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 19:02:32,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/1) ... [2021-08-21 19:02:32,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:02:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 19:02:32,651 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) [2021-08-21 19:02:32,656 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 [2021-08-21 19:02:32,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-21 19:02:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-21 19:02:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-21 19:02:32,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-21 19:02:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-21 19:02:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-21 19:02:32,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-21 19:02:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-21 19:02:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-21 19:02:32,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 19:02:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 19:02:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 19:02:32,677 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 19:02:32,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 19:02:32,902 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 19:02:32,904 INFO L202 PluginConnector]: Adding new model bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:02:32 BoogieIcfgContainer [2021-08-21 19:02:32,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 19:02:32,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 19:02:32,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 19:02:32,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 19:02:32,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:02:32" (1/2) ... [2021-08-21 19:02:32,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223da05b and model type bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:02:32, skipping insertion in model container [2021-08-21 19:02:32,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-incorrect09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:02:32" (2/2) ... [2021-08-21 19:02:32,917 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-incorrect09.bpl [2021-08-21 19:02:32,921 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 19:02:32,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 19:02:32,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 19:02:32,921 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 19:02:32,981 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 19:02:33,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 19:02:33,031 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=FINITE_AUTOMATA, 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 [2021-08-21 19:02:33,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations.