/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 20:52:31,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 20:52:31,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 20:52:31,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 20:52:31,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 20:52:31,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 20:52:31,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 20:52:31,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 20:52:31,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 20:52:31,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 20:52:31,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 20:52:31,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-13 20:52:31,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-13 20:52:31,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-13 20:52:31,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-13 20:52:31,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-13 20:52:31,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-13 20:52:31,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-13 20:52:31,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-13 20:52:31,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-13 20:52:31,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-13 20:52:31,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-13 20:52:31,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-13 20:52:31,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-13 20:52:31,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-13 20:52:31,107 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.epf [2021-07-13 20:52:31,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 20:52:31,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 20:52:31,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 20:52:31,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 20:52:31,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 20:52:31,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 20:52:31,139 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 20:52:31,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 20:52:31,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 20:52:31,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 20:52:31,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 20:52:31,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 20:52:31,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 20:52:31,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 20:52:31,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 20:52:31,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 20:52:31,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 20:52:31,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 20:52:31,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 20:52:31,543 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 20:52:31,543 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 20:52:31,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct10.bpl [2021-07-13 20:52:31,544 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct10.bpl' [2021-07-13 20:52:31,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 20:52:31,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 20:52:31,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 20:52:31,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 20:52:31,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 20:52:31,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 20:52:31,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 20:52:31,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 20:52:31,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 20:52:31,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... [2021-07-13 20:52:31,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 20:52:31,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 20:52:31,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 20:52:31,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 20:52:31,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 20:52:31,668 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-07-13 20:52:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-07-13 20:52:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-07-13 20:52:31,669 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-07-13 20:52:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-07-13 20:52:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-07-13 20:52:31,669 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-07-13 20:52:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-07-13 20:52:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-07-13 20:52:31,669 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 20:52:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 20:52:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 20:52:31,670 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 20:52:31,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 20:52:31,900 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-13 20:52:31,901 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-07-13 20:52:31,901 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-07-13 20:52:31,902 INFO L202 PluginConnector]: Adding new model bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 08:52:31 BoogieIcfgContainer [2021-07-13 20:52:31,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 20:52:31,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 20:52:31,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 20:52:31,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 20:52:31,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:52:31" (1/2) ... [2021-07-13 20:52:31,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411fc43b and model type bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 08:52:31, skipping insertion in model container [2021-07-13 20:52:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 08:52:31" (2/2) ... [2021-07-13 20:52:31,907 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct10.bpl [2021-07-13 20:52:31,910 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 20:52:31,911 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 20:52:31,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 20:52:31,911 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 20:52:31,949 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-13 20:52:31,964 INFO L255 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-07-13 20:52:31,976 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 20:52:31,977 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 20:52:31,977 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 20:52:31,977 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 20:52:31,977 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 20:52:31,977 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 20:52:31,977 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 20:52:31,977 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 20:52:31,984 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 64 transitions, 183 flow [2021-07-13 20:52:52,205 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 295241 states, 295239 states have (on average 9.666849569331966) internal successors, (2854031), 295240 states have internal predecessors, (2854031), 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) [2021-07-13 20:52:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 295241 states, 295239 states have (on average 9.666849569331966) internal successors, (2854031), 295240 states have internal predecessors, (2854031), 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) [2021-07-13 20:52:57,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-13 20:52:57,078 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-13 20:52:57,080 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-13 20:52:57,082 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 20:52:57,082 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 20:52:57,082 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 20:52:57,082 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 20:52:57,082 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 20:52:57,082 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 20:52:57,082 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 20:52:57,082 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1======== [2021-07-13 20:52:57,084 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 64 transitions, 183 flow