/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/sum_invariant.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:36,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:36,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:36,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:36,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:36,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:36,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:36,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:36,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:36,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:36,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:36,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:36,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:36,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:36,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:36,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:36,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:36,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:36,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:36,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:36,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:36,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:36,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:36,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:36,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:02:36,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:02:36,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:02:36,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:02:36,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:02:36,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:02:36,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:02:36,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:02:36,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:02:36,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:36,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:36,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:36,441 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 15:02:36,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:36,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:36,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:36,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:36,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:36,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:36,467 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:36,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:36,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:36,467 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:36,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:36,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:36,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:36,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:36,469 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:36,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:36,470 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:36,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:36,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:36,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:36,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:36,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:36,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:36,471 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:36,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:36,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:36,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:36,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:36,653 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:36,657 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:36,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/sum_invariant.bpl [2022-09-29 15:02:36,659 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/sum_invariant.bpl' [2022-09-29 15:02:36,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:36,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:36,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:36,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:36,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:36,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,703 INFO L137 Inliner]: procedures = 2, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:36,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:36,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:36,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:36,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:36,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:36,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:36,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:36,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:36,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/1) ... [2022-09-29 15:02:36,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:36,750 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 15:02:36,755 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 15:02:36,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:36,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2022-09-29 15:02:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2022-09-29 15:02:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2022-09-29 15:02:36,777 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 15:02:36,808 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:36,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:36,853 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:36,857 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:36,858 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:36,859 INFO L202 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:36 BoogieIcfgContainer [2022-09-29 15:02:36,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:36,860 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:36,860 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:36,863 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:36,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:36,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:36" (1/2) ... [2022-09-29 15:02:36,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6476fea4 and model type sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:36, skipping insertion in model container [2022-09-29 15:02:36,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:36,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:36" (2/2) ... [2022-09-29 15:02:36,868 INFO L322 chiAutomizerObserver]: Analyzing ICFG sum_invariant.bpl [2022-09-29 15:02:36,949 INFO L144 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2022-09-29 15:02:37,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 48 transitions, 164 flow [2022-09-29 15:02:37,049 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:37,049 INFO L123 PetriNetUnfolderBase]: 17/56 cut-off events. [2022-09-29 15:02:37,049 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 15:02:37,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 56 events. 17/56 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 151 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 49. Up to 12 conditions per place. [2022-09-29 15:02:37,054 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 48 transitions, 164 flow [2022-09-29 15:02:37,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 140 flow [2022-09-29 15:02:37,063 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:37,082 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 40 transitions, 140 flow [2022-09-29 15:02:37,086 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 40 transitions, 140 flow [2022-09-29 15:02:37,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 40 transitions, 140 flow [2022-09-29 15:02:37,106 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:37,106 INFO L123 PetriNetUnfolderBase]: 17/56 cut-off events. [2022-09-29 15:02:37,106 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 15:02:37,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 56 events. 17/56 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 132 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 49. Up to 12 conditions per place. [2022-09-29 15:02:37,109 INFO L116 LiptonReduction]: Number of co-enabled transitions 528 [2022-09-29 15:02:37,386 INFO L131 LiptonReduction]: Checked pairs total: 1078 [2022-09-29 15:02:37,386 INFO L133 LiptonReduction]: Total number of compositions: 13 [2022-09-29 15:02:37,395 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:37,395 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:37,396 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:37,396 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:37,396 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:37,396 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:37,396 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:37,396 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:37,396 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 28 places, 27 transitions, 114 flow [2022-09-29 15:02:37,406 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:37,407 INFO L123 PetriNetUnfolderBase]: 17/43 cut-off events. [2022-09-29 15:02:37,407 INFO L124 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2022-09-29 15:02:37,408 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 15:02:37,408 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 15:02:37,408 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 15:02:37,408 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 15:02:37,408 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 15:02:37,408 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 15:02:37,408 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 15:02:37,408 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 15:02:37,408 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 15:02:37,412 INFO L202 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:02:37 BoogieIcfgContainer [2022-09-29 15:02:37,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:02:37,414 INFO L158 Benchmark]: Toolchain (without parser) took 732.43ms. Allocated memory is still 172.0MB. Free memory was 131.8MB in the beginning and 130.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.9MB. Max. memory is 8.0GB. [2022-09-29 15:02:37,415 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:02:37,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.46ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:02:37,417 INFO L158 Benchmark]: Boogie Preprocessor took 9.90ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 129.4MB in the end (delta: 855.2kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:02:37,417 INFO L158 Benchmark]: RCFGBuilder took 143.26ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 121.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 15:02:37,418 INFO L158 Benchmark]: BuchiAutomizer took 552.05ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 130.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:02:37,423 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 0.12ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.46ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 9.90ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 129.4MB in the end (delta: 855.2kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 143.26ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 121.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 552.05ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 130.6MB in the end (delta: -9.2MB). There was no memory consumed. 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 0.4s 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: 0.4s - 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: 0.3s, 41 PlacesBefore, 28 PlacesAfterwards, 40 TransitionsBefore, 27 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1078 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1078, positive: 1078, positive conditional: 0, positive unconditional: 1078, 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: 318, positive: 318, positive conditional: 0, positive unconditional: 318, 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: 318, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1078, positive: 760, positive conditional: 0, positive unconditional: 760, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 318, unknown conditional: 0, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, 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 15:02:37,449 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...