/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-ed1a3e5-m [2022-09-29 14:47:53,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 14:47:53,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 14:47:53,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 14:47:53,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 14:47:53,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 14:47:53,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 14:47:53,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 14:47:53,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 14:47:53,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 14:47:53,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 14:47:53,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 14:47:53,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 14:47:53,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 14:47:53,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 14:47:53,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 14:47:53,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 14:47:53,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 14:47:53,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 14:47:53,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 14:47:53,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 14:47:53,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 14:47:53,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 14:47:53,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 14:47:53,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 14:47:53,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 14:47:53,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 14:47:53,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 14:47:53,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 14:47:53,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 14:47:53,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 14:47:53,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 14:47:53,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 14:47:53,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 14:47:53,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 14:47:53,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 14:47:53,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 14:47:53,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 14:47:53,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 14:47:53,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 14:47:53,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 14:47:53,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 14:47:53,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 14:47:53,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 14:47:53,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 14:47:53,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 14:47:53,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 14:47:53,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 14:47:53,524 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 14:47:53,524 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 14:47:53,524 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 14:47:53,524 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 14:47:53,525 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 14:47:53,525 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 14:47:53,525 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 14:47:53,525 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 14:47:53,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 14:47:53,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 14:47:53,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 14:47:53,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 14:47:53,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 14:47:53,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 14:47:53,529 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 14:47:53,529 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 14:47:53,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 14:47:53,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 14:47:53,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 14:47:53,788 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 14:47:53,789 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 14:47:53,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl [2022-09-29 14:47:53,790 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl' [2022-09-29 14:47:53,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 14:47:53,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 14:47:53,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 14:47:53,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 14:47:53,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 14:47:53,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,837 INFO L137 Inliner]: procedures = 2, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 14:47:53,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 14:47:53,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 14:47:53,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 14:47:53,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 14:47:53,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 14:47:53,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 14:47:53,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 14:47:53,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 14:47:53,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/1) ... [2022-09-29 14:47:53,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 14:47:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 14:47:53,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 14:47:53,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-09-29 14:47:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-09-29 14:47:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-09-29 14:47:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 14:47:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 14:47:53,915 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 14:47:53,954 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 14:47:53,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 14:47:54,016 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 14:47:54,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 14:47:54,023 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 14:47:54,025 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:47:54 BoogieIcfgContainer [2022-09-29 14:47:54,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 14:47:54,026 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 14:47:54,026 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 14:47:54,040 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 14:47:54,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 14:47:54,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 02:47:53" (1/2) ... [2022-09-29 14:47:54,042 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3441b9ef and model type LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 02:47:54, skipping insertion in model container [2022-09-29 14:47:54,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 14:47:54,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 02:47:54" (2/2) ... [2022-09-29 14:47:54,043 INFO L322 chiAutomizerObserver]: Analyzing ICFG LBE_bigexample_safe_BA.bpl [2022-09-29 14:47:54,135 INFO L144 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2022-09-29 14:47:54,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 110 transitions, 288 flow [2022-09-29 14:47:54,253 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 14:47:54,253 INFO L123 PetriNetUnfolderBase]: 17/118 cut-off events. [2022-09-29 14:47:54,253 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 14:47:54,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 118 events. 17/118 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 476 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2022-09-29 14:47:54,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 110 transitions, 288 flow [2022-09-29 14:47:54,280 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 102 transitions, 264 flow [2022-09-29 14:47:54,284 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 14:47:54,295 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 102 transitions, 264 flow [2022-09-29 14:47:54,298 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 102 transitions, 264 flow [2022-09-29 14:47:54,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 264 flow [2022-09-29 14:47:54,341 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 14:47:54,341 INFO L123 PetriNetUnfolderBase]: 17/118 cut-off events. [2022-09-29 14:47:54,341 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 14:47:54,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 118 events. 17/118 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 490 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2022-09-29 14:47:54,348 INFO L116 LiptonReduction]: Number of co-enabled transitions 6536 [2022-09-29 14:47:54,928 INFO L131 LiptonReduction]: Checked pairs total: 12577 [2022-09-29 14:47:54,929 INFO L133 LiptonReduction]: Total number of compositions: 111 [2022-09-29 14:47:54,954 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 14:47:54,954 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 14:47:54,954 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 14:47:54,954 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 14:47:54,954 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 14:47:54,955 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 14:47:54,955 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 14:47:54,955 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 14:47:54,956 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 66 places, 65 transitions, 190 flow [2022-09-29 14:47:54,985 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 14:47:54,985 INFO L123 PetriNetUnfolderBase]: 17/81 cut-off events. [2022-09-29 14:47:54,985 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 14:47:54,986 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 14:47:54,987 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 14:47:54,987 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 14:47:54,987 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 14:47:54,987 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 14:47:54,987 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 14:47:54,988 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 14:47:54,988 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 14:47:54,988 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 14:47:54,992 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 02:47:54 BoogieIcfgContainer [2022-09-29 14:47:54,993 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 14:47:54,994 INFO L158 Benchmark]: Toolchain (without parser) took 1183.21ms. Allocated memory was 196.1MB in the beginning and 318.8MB in the end (delta: 122.7MB). Free memory was 148.9MB in the beginning and 246.3MB in the end (delta: -97.4MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2022-09-29 14:47:54,995 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 196.1MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 14:47:54,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.21ms. Allocated memory is still 196.1MB. Free memory was 148.9MB in the beginning and 147.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 14:47:54,996 INFO L158 Benchmark]: Boogie Preprocessor took 11.15ms. Allocated memory is still 196.1MB. Free memory was 147.3MB in the beginning and 146.5MB in the end (delta: 863.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 14:47:54,997 INFO L158 Benchmark]: RCFGBuilder took 174.50ms. Allocated memory is still 196.1MB. Free memory was 146.4MB in the beginning and 138.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 14:47:54,998 INFO L158 Benchmark]: BuchiAutomizer took 966.93ms. Allocated memory was 196.1MB in the beginning and 318.8MB in the end (delta: 122.7MB). Free memory was 138.5MB in the beginning and 246.3MB in the end (delta: -107.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-09-29 14:47:55,001 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 0.13ms. Allocated memory is still 196.1MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.21ms. Allocated memory is still 196.1MB. Free memory was 148.9MB in the beginning and 147.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.15ms. Allocated memory is still 196.1MB. Free memory was 147.3MB in the beginning and 146.5MB in the end (delta: 863.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 174.50ms. Allocated memory is still 196.1MB. Free memory was 146.4MB in the beginning and 138.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 966.93ms. Allocated memory was 196.1MB in the beginning and 318.8MB in the end (delta: 122.7MB). Free memory was 138.5MB in the beginning and 246.3MB in the end (delta: -107.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6s, 103 PlacesBefore, 66 PlacesAfterwards, 102 TransitionsBefore, 65 TransitionsAfterwards, 6536 CoEnabledTransitionPairs, 5 FixpointIterations, 0 TrivialSequentialCompositions, 111 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 111 TotalNumberOfCompositions, 12577 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12577, positive: 12577, positive conditional: 0, positive unconditional: 12577, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2822, positive: 2822, positive conditional: 0, positive unconditional: 2822, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2822, positive: 2822, positive conditional: 0, positive unconditional: 2822, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12577, positive: 9755, positive conditional: 0, positive unconditional: 9755, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2822, unknown conditional: 0, unknown unconditional: 2822] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 14:47:55,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...