/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/POPL2023/map-incr-decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:58,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:58,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:58,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:58,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:58,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:58,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:58,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:58,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:58,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:58,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:58,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:58,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:58,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:58,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:58,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:58,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:58,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:58,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:58,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:58,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:58,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:58,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:58,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:58,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 15:02:58,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 15:02:58,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 15:02:58,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 15:02:58,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 15:02:58,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-29 15:02:58,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:58,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:58,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:58,720 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 15:02:58,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:58,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:58,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:58,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:58,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:58,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:58,757 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:58,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:58,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:58,757 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:58,758 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:58,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:58,758 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:58,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:58,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:58,761 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:58,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:58,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:58,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:58,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:58,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:58,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:58,763 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:58,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:59,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:59,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:59,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:59,042 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:59,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:59,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl [2022-09-29 15:02:59,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl' [2022-09-29 15:02:59,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:59,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:59,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:59,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:59,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:59,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,090 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:59,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:59,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:59,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:59,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:59,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:59,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:59,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:59,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:59,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/1) ... [2022-09-29 15:02:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:59,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:59,145 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 15:02:59,160 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 15:02:59,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:02:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:02:59,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:02:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:02:59,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:59,182 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 15:02:59,223 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:59,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:59,352 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:59,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:59,358 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:59,360 INFO L202 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:59 BoogieIcfgContainer [2022-09-29 15:02:59,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:59,361 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:59,361 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:59,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:59,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:59,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:59" (1/2) ... [2022-09-29 15:02:59,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@81ff593 and model type map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:59, skipping insertion in model container [2022-09-29 15:02:59,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:59,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:59" (2/2) ... [2022-09-29 15:02:59,369 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-incr-decr.bpl [2022-09-29 15:02:59,462 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:02:59,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 68 flow [2022-09-29 15:02:59,538 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:59,538 INFO L123 PetriNetUnfolderBase]: 2/22 cut-off events. [2022-09-29 15:02:59,538 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:59,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2022-09-29 15:02:59,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 68 flow [2022-09-29 15:02:59,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 22 transitions, 56 flow [2022-09-29 15:02:59,556 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:59,576 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 22 transitions, 56 flow [2022-09-29 15:02:59,579 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 22 transitions, 56 flow [2022-09-29 15:02:59,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 56 flow [2022-09-29 15:02:59,593 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:59,593 INFO L123 PetriNetUnfolderBase]: 2/22 cut-off events. [2022-09-29 15:02:59,593 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:59,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2022-09-29 15:02:59,596 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2022-09-29 15:02:59,858 INFO L131 LiptonReduction]: Checked pairs total: 63 [2022-09-29 15:02:59,859 INFO L133 LiptonReduction]: Total number of compositions: 9 [2022-09-29 15:02:59,869 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:59,870 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:59,870 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:59,870 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:59,870 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:59,870 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:59,870 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:59,870 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:59,887 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:02:59,890 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:02:59,891 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:59,892 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:59,892 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:02:59,892 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:59,892 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:59,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:59,894 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:02:59,900 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:02:59,900 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:59,901 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:59,901 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:02:59,901 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:59,901 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:59,906 INFO L733 eck$LassoCheckResult]: Stem: 33#[ULTIMATE.startENTRY]true [79] ULTIMATE.startENTRY-->L20: Formula: (and (< v_k_9 v_N_16) (<= 0 v_k_9) (= (select v_A_31 v_k_9) v_ULTIMATE.start_x_6) (= v_A_31 v_B_4)) InVars {A=v_A_31, N=v_N_16, k=v_k_9} OutVars{A=v_A_31, N=v_N_16, k=v_k_9, ULTIMATE.start_x=v_ULTIMATE.start_x_6, B=v_B_4} AuxVars[] AssignedVars[ULTIMATE.start_x, B] 35#[L20]true [66] L20-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 37#[L20-1, thread1ENTRY]true [52] thread1ENTRY-->L34-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 39#[L34-1, L20-1]true [2022-09-29 15:02:59,907 INFO L735 eck$LassoCheckResult]: Loop: 39#[L34-1, L20-1]true [78] L34-1-->L34-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_24 v_N_14) (= v_A_27 (store v_A_28 v_thread1Thread1of1ForFork0_i_24 (+ (select v_A_28 v_thread1Thread1of1ForFork0_i_24) 1))) (= v_thread1Thread1of1ForFork0_i_23 (+ v_thread1Thread1of1ForFork0_i_24 1))) InVars {A=v_A_28, N=v_N_14, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_24} OutVars{A=v_A_27, N=v_N_14, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_23} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 39#[L34-1, L20-1]true [2022-09-29 15:02:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 107808, now seen corresponding path program 1 times [2022-09-29 15:02:59,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:59,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513870563] [2022-09-29 15:02:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:59,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash 109, now seen corresponding path program 1 times [2022-09-29 15:03:00,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:00,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299173940] [2022-09-29 15:03:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,047 INFO L85 PathProgramCache]: Analyzing trace with hash 3342126, now seen corresponding path program 1 times [2022-09-29 15:03:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:00,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891868337] [2022-09-29 15:03:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:00,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,167 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:00,168 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:00,168 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:00,168 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:00,168 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:00,168 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:00,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:00,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:03:00,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:00,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:00,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:00,301 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:00,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:00,308 INFO L229 MonitoredProcess]: Starting monitored process 2 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 15:03:00,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-09-29 15:03:00,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:00,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:00,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:00,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:00,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:00,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:00,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:00,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:00,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:00,366 INFO L229 MonitoredProcess]: Starting monitored process 3 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 15:03:00,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-09-29 15:03:00,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:00,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:00,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:00,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:00,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:00,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:00,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:00,407 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:00,438 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:03:00,438 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:03:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:00,444 INFO L229 MonitoredProcess]: Starting monitored process 4 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 15:03:00,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-09-29 15:03:00,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:00,458 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:00,458 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:00,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:03:00,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:00,477 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:00,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:00,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:00,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:00,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:00,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:00,564 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:00,566 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-09-29 15:03:00,669 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Result 6 states and 304 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:00,671 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:00,678 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:00,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:03:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-09-29 15:03:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-09-29 15:03:00,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:03:00,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:00,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:00,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:00,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:03:00,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:00,693 INFO L428 stractBuchiCegarLoop]: Abstraction has has 30 places, 212 transitions, 1046 flow [2022-09-29 15:03:00,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:03:00,693 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:03:00,698 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:03:00,700 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,702 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:03:00,708 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,708 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:00,708 INFO L123 PetriNetUnfolderBase]: 4/16 cut-off events. [2022-09-29 15:03:00,708 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:03:00,708 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:00,709 INFO L733 eck$LassoCheckResult]: Stem: 33#[ULTIMATE.startENTRY]true [79] ULTIMATE.startENTRY-->L20: Formula: (and (< v_k_9 v_N_16) (<= 0 v_k_9) (= (select v_A_31 v_k_9) v_ULTIMATE.start_x_6) (= v_A_31 v_B_4)) InVars {A=v_A_31, N=v_N_16, k=v_k_9} OutVars{A=v_A_31, N=v_N_16, k=v_k_9, ULTIMATE.start_x=v_ULTIMATE.start_x_6, B=v_B_4} AuxVars[] AssignedVars[ULTIMATE.start_x, B] 35#[L20]true [66] L20-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 37#[L20-1, thread1ENTRY]true [69] L20-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 90#[L21, thread2ENTRY, thread1ENTRY]true [58] thread2ENTRY-->L47-1: Formula: (= v_thread2Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 92#[L21, L47-1, thread1ENTRY]true [2022-09-29 15:03:00,709 INFO L735 eck$LassoCheckResult]: Loop: 92#[L21, L47-1, thread1ENTRY]true [80] L47-1-->L47-1: Formula: (and (< v_thread2Thread1of1ForFork1_i_24 v_N_20) (= (+ v_thread2Thread1of1ForFork1_i_24 1) v_thread2Thread1of1ForFork1_i_23) (= v_A_39 (store v_A_40 v_thread2Thread1of1ForFork1_i_24 (+ (- 1) (select v_A_40 v_thread2Thread1of1ForFork1_i_24))))) InVars {A=v_A_40, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_24, N=v_N_20} OutVars{A=v_A_39, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_23, N=v_N_20} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 92#[L21, L47-1, thread1ENTRY]true [2022-09-29 15:03:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,711 INFO L85 PathProgramCache]: Analyzing trace with hash 3342633, now seen corresponding path program 1 times [2022-09-29 15:03:00,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:00,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90881764] [2022-09-29 15:03:00,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:00,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,734 INFO L85 PathProgramCache]: Analyzing trace with hash 111, now seen corresponding path program 1 times [2022-09-29 15:03:00,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:00,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938291370] [2022-09-29 15:03:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:00,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:00,759 INFO L85 PathProgramCache]: Analyzing trace with hash 103621703, now seen corresponding path program 1 times [2022-09-29 15:03:00,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:00,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244189300] [2022-09-29 15:03:00,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:00,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:00,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:00,831 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:00,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:00,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:00,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:00,832 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:00,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:00,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:00,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:03:00,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:00,832 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:00,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:00,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:00,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:00,932 INFO L229 MonitoredProcess]: Starting monitored process 5 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 15:03:00,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-09-29 15:03:00,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:00,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:00,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:00,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:00,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:00,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:00,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:00,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:01,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:01,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:01,007 INFO L229 MonitoredProcess]: Starting monitored process 6 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 15:03:01,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:01,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:01,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:01,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:01,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:01,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:01,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:01,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:01,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:03:01,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:01,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:01,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:01,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:01,047 INFO L229 MonitoredProcess]: Starting monitored process 7 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 15:03:01,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-09-29 15:03:01,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:01,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:01,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:01,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:01,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:01,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:01,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:01,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:01,111 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-09-29 15:03:01,111 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:03:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:01,145 INFO L229 MonitoredProcess]: Starting monitored process 8 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 15:03:01,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-09-29 15:03:01,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:01,156 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:01,156 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:01,156 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 1*N Supporting invariants [] [2022-09-29 15:03:01,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:01,173 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:01,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:01,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:01,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:01,210 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:01,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:01,212 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:01,212 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-09-29 15:03:01,315 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Result 6 states and 304 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:01,315 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:01,358 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:03:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-09-29 15:03:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-09-29 15:03:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:01,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:03:01,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:03:01,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:01,362 INFO L428 stractBuchiCegarLoop]: Abstraction has has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,362 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:03:01,363 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,382 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,390 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,392 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,400 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,413 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,425 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,433 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,447 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,449 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,462 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,482 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,493 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,498 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,511 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,513 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,523 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,543 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,557 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,562 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,576 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,577 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,586 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,596 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:03:01,611 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,628 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:03:01,628 INFO L123 PetriNetUnfolderBase]: 193/321 cut-off events. [2022-09-29 15:03:01,628 INFO L124 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2022-09-29 15:03:01,629 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 15:03:01,629 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 15:03:01,630 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 15:03:01,630 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 15:03:01,630 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 15:03:01,630 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 15:03:01,649 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 15:03:01,649 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 15:03:01,649 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 15:03:01,656 INFO L202 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:03:01 BoogieIcfgContainer [2022-09-29 15:03:01,656 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:03:01,659 INFO L158 Benchmark]: Toolchain (without parser) took 2592.25ms. Allocated memory was 192.9MB in the beginning and 252.7MB in the end (delta: 59.8MB). Free memory was 146.9MB in the beginning and 136.8MB in the end (delta: 10.1MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. [2022-09-29 15:03:01,659 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:03:01,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.40ms. Allocated memory is still 192.9MB. Free memory was 146.7MB in the beginning and 145.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:03:01,660 INFO L158 Benchmark]: Boogie Preprocessor took 14.49ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 144.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:03:01,661 INFO L158 Benchmark]: RCFGBuilder took 251.92ms. Allocated memory is still 192.9MB. Free memory was 144.3MB in the beginning and 135.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 15:03:01,661 INFO L158 Benchmark]: BuchiAutomizer took 2295.20ms. Allocated memory was 192.9MB in the beginning and 252.7MB in the end (delta: 59.8MB). Free memory was 135.6MB in the beginning and 136.8MB in the end (delta: -1.2MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. [2022-09-29 15:03:01,663 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 0.10ms. Allocated memory is still 192.9MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.40ms. Allocated memory is still 192.9MB. Free memory was 146.7MB in the beginning and 145.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.49ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 144.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 251.92ms. Allocated memory is still 192.9MB. Free memory was 144.3MB in the beginning and 135.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2295.20ms. Allocated memory was 192.9MB in the beginning and 252.7MB in the end (delta: 59.8MB). Free memory was 135.6MB in the beginning and 136.8MB in the end (delta: -1.2MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 1. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 74 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax100 hnf100 lsp86 ukn67 mio100 lsp75 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - 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, 27 PlacesBefore, 18 PlacesAfterwards, 22 TransitionsBefore, 13 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 0, positive unconditional: 63, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 50, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, 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 15:03:01,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:01,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:02,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...