/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-aggr-update1-4modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:49,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:49,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:49,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:49,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:49,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:49,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:49,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:49,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:49,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:49,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:49,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:49,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:49,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:49,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:49,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:49,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:49,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:49,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:49,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:49,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:49,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:49,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:49,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:49,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:02:49,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:49,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:49,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:49,316 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 15:02:49,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:49,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:49,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:49,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:49,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:49,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:49,339 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:49,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:49,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:49,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:49,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:49,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:49,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:49,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:49,343 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:49,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:49,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:49,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:49,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:49,604 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:49,605 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:49,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl [2022-09-29 15:02:49,606 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl' [2022-09-29 15:02:49,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:49,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:49,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:49,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:49,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:49,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,674 INFO L137 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:49,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:49,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:49,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:49,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:49,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:49,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:49,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:49,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:49,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:49,749 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 15:02:49,776 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 15:02:49,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:02:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:02:49,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:02:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:02:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:02:49,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:02:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:02:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:02:49,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:49,798 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 15:02:49,845 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:49,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:49,953 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:49,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:49,959 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:49,961 INFO L202 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:49 BoogieIcfgContainer [2022-09-29 15:02:49,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:49,962 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:49,962 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:49,965 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:49,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:49,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/2) ... [2022-09-29 15:02:49,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fb57f05 and model type map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:49, skipping insertion in model container [2022-09-29 15:02:49,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:49,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:49" (2/2) ... [2022-09-29 15:02:49,968 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-4modifiers.bpl [2022-09-29 15:02:50,046 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-09-29 15:02:50,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 188 flow [2022-09-29 15:02:50,146 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:50,147 INFO L123 PetriNetUnfolderBase]: 8/58 cut-off events. [2022-09-29 15:02:50,147 INFO L124 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2022-09-29 15:02:50,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 161 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-09-29 15:02:50,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 70 transitions, 188 flow [2022-09-29 15:02:50,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 58 transitions, 152 flow [2022-09-29 15:02:50,168 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:50,184 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 58 transitions, 152 flow [2022-09-29 15:02:50,186 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 58 transitions, 152 flow [2022-09-29 15:02:50,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 58 transitions, 152 flow [2022-09-29 15:02:50,202 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:50,202 INFO L123 PetriNetUnfolderBase]: 8/58 cut-off events. [2022-09-29 15:02:50,203 INFO L124 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2022-09-29 15:02:50,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 161 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-09-29 15:02:50,206 INFO L116 LiptonReduction]: Number of co-enabled transitions 1860 [2022-09-29 15:02:50,985 INFO L131 LiptonReduction]: Checked pairs total: 1608 [2022-09-29 15:02:50,985 INFO L133 LiptonReduction]: Total number of compositions: 27 [2022-09-29 15:02:51,004 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:51,004 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:51,004 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:51,005 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:51,005 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:51,005 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:51,005 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:51,005 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:51,006 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 46 places, 33 transitions, 102 flow [2022-09-29 15:02:51,010 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 46 places, 33 transitions, 102 flow [2022-09-29 15:02:51,013 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,013 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:51,013 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:51,013 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:51,013 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:51,017 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:51,018 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 46 places, 33 transitions, 102 flow [2022-09-29 15:02:51,025 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 46 places, 33 transitions, 102 flow [2022-09-29 15:02:51,026 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,027 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:51,027 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:51,027 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:51,027 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:51,035 INFO L733 eck$LassoCheckResult]: Stem: 79#[ULTIMATE.startENTRY]true [76] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, thread1ENTRY]true [100] thread1ENTRY-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]true [2022-09-29 15:02:51,036 INFO L735 eck$LassoCheckResult]: Loop: 85#[L57-1, L34-1]true [186] L57-1-->L57-1: Formula: (and (= (store v_A_32 v_thread1Thread1of1ForFork3_i_26 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork3_i_26))) (ite (< .cse0 0) 0 .cse0))) v_A_31) (= v_thread1Thread1of1ForFork3_i_25 (+ v_thread1Thread1of1ForFork3_i_26 1)) (< v_thread1Thread1of1ForFork3_i_26 v_N_54)) InVars {A=v_A_32, N=v_N_54, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_26} OutVars{A=v_A_31, N=v_N_54, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_25} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]true [2022-09-29 15:02:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,045 INFO L85 PathProgramCache]: Analyzing trace with hash 107670, now seen corresponding path program 1 times [2022-09-29 15:02:51,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066288521] [2022-09-29 15:02:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,161 INFO L85 PathProgramCache]: Analyzing trace with hash 217, now seen corresponding path program 1 times [2022-09-29 15:02:51,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361700009] [2022-09-29 15:02:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,205 INFO L85 PathProgramCache]: Analyzing trace with hash 3337956, now seen corresponding path program 1 times [2022-09-29 15:02:51,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207101387] [2022-09-29 15:02:51,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,223 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,380 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:51,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:51,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:51,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:51,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:51,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:51,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:51,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:51,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:51,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:51,393 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 15:02:51,412 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 15:02:51,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:51,458 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:51,467 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 15:02:51,474 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 15:02:51,475 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 15:02:51,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:51,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:51,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:51,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:51,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:51,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:51,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:51,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:51,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-09-29 15:02:51,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:51,509 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 15:02:51,509 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 15:02:51,512 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 15:02:51,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:51,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:51,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:51,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:51,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:51,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:51,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:51,579 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:02:51,580 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:51,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:51,583 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 15:02:51,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:51,605 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 15:02:51,624 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:51,624 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:51,625 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork3_i, N) = -1*thread1Thread1of1ForFork3_i + 1*N Supporting invariants [] [2022-09-29 15:02:51,675 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 15:02:51,677 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:51,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:51,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:51,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:51,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:51,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:51,741 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 15:02:51,766 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 15:02:51,768 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 15:02:52,006 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 862 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:52,007 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:52,012 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:52,014 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 15:02:52,018 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 15:02:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2022-09-29 15:02:52,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:02:52,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:52,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:52,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,025 INFO L428 stractBuchiCegarLoop]: Abstraction has has 58 places, 572 transitions, 2918 flow [2022-09-29 15:02:52,025 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:52,025 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 58 places, 572 transitions, 2918 flow [2022-09-29 15:02:52,028 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 58 places, 572 transitions, 2918 flow [2022-09-29 15:02:52,029 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,031 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 58 places, 572 transitions, 2918 flow [2022-09-29 15:02:52,034 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,034 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:52,034 INFO L123 PetriNetUnfolderBase]: 4/14 cut-off events. [2022-09-29 15:02:52,034 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:52,034 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:52,035 INFO L733 eck$LassoCheckResult]: Stem: 79#[ULTIMATE.startENTRY]true [76] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, thread1ENTRY]true [156] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 136#[thread1ENTRY, thread2ENTRY, L35]true [176] thread2ENTRY-->L71-1: Formula: (and (= v_thread2Thread1of1ForFork4_cnt_19 0) (= v_thread2Thread1of1ForFork4_j_35 0)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_19, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_35} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L71-1, thread1ENTRY, L35]true [2022-09-29 15:02:52,035 INFO L735 eck$LassoCheckResult]: Loop: 138#[L71-1, thread1ENTRY, L35]true [192] L71-1-->L71-1: Formula: (and (let ((.cse0 (= v_thread2Thread1of1ForFork4_j_63 (+ v_thread2Thread1of1ForFork4_j_64 1))) (.cse1 (< 0 (select v_B_119 v_thread2Thread1of1ForFork4_j_64)))) (or (and .cse0 .cse1 (= (+ v_thread2Thread1of1ForFork4_cnt_46 1) v_thread2Thread1of1ForFork4_cnt_45)) (and .cse0 (= v_thread2Thread1of1ForFork4_cnt_46 v_thread2Thread1of1ForFork4_cnt_45) (not .cse1)))) (let ((.cse2 (< v_thread2Thread1of1ForFork4_j_64 v_N_62)) (.cse3 (< 0 (select v_A_39 v_thread2Thread1of1ForFork4_j_64)))) (or (and .cse2 (= v_thread2Thread1of1ForFork4_cnt_47 v_thread2Thread1of1ForFork4_cnt_46) (not .cse3)) (and .cse2 .cse3 (= (+ v_thread2Thread1of1ForFork4_cnt_47 1) v_thread2Thread1of1ForFork4_cnt_46))))) InVars {A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_47, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_64, B=v_B_119} OutVars{A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_45, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_63, B=v_B_119} AuxVars[v_thread2Thread1of1ForFork4_cnt_46] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L71-1, thread1ENTRY, L35]true [2022-09-29 15:02:52,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash 3339682, now seen corresponding path program 1 times [2022-09-29 15:02:52,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124090975] [2022-09-29 15:02:52,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,047 INFO L85 PathProgramCache]: Analyzing trace with hash 223, now seen corresponding path program 1 times [2022-09-29 15:02:52,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618425368] [2022-09-29 15:02:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,063 INFO L85 PathProgramCache]: Analyzing trace with hash 103530334, now seen corresponding path program 1 times [2022-09-29 15:02:52,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720593772] [2022-09-29 15:02:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,072 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,235 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:52,235 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:52,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:52,236 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:52,236 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:52,236 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,236 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:52,236 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:52,236 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:52,236 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:52,236 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:52,240 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 15:02:52,242 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 15:02:52,244 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 15:02:52,247 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 15:02:52,329 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 15:02:52,488 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:52,488 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:52,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,492 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 15:02:52,497 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 15:02:52,499 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 15:02:52,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:52,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:52,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:52,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,527 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 15:02:52,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,532 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 15:02:52,533 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 15:02:52,535 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 15:02:52,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,567 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 15:02:52,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,569 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 15:02:52,569 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 15:02:52,570 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 15:02:52,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,633 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 15:02:52,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,634 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 15:02:52,635 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 15:02:52,636 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 15:02:52,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,671 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:52,695 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:02:52,695 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,729 INFO L229 MonitoredProcess]: Starting monitored process 9 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 15:02:52,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-09-29 15:02:52,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:52,764 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:52,764 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:52,764 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork4_j, N) = -1*thread2Thread1of1ForFork4_j + 1*N Supporting invariants [] [2022-09-29 15:02:52,793 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 15:02:52,794 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,822 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 15:02:52,822 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 15:02:52,822 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 15:02:53,005 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 859 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:53,005 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:53,082 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:53,082 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 15:02:53,084 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 15:02:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2022-09-29 15:02:53,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:53,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:53,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:53,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,087 INFO L428 stractBuchiCegarLoop]: Abstraction has has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:53,087 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,124 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,142 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,145 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,161 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,185 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,212 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,227 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,254 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,271 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,297 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,349 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,373 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,378 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,414 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,425 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,459 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,465 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,486 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,489 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,510 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,540 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 70 places, 9900 transitions, 70416 flow [2022-09-29 15:02:53,598 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,598 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:53,599 INFO L123 PetriNetUnfolderBase]: 236/324 cut-off events. [2022-09-29 15:02:53,599 INFO L124 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2022-09-29 15:02:53,599 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:53,599 INFO L733 eck$LassoCheckResult]: Stem: 79#[ULTIMATE.startENTRY]true [76] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, thread1ENTRY]true [156] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 136#[thread1ENTRY, thread2ENTRY, L35]true [159] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork5_thidvar0_2 3) (= v_thread3Thread1of1ForFork5_thidvar2_2 3) (= v_thread3Thread1of1ForFork5_thidvar1_2 3)) InVars {} OutVars{thread3Thread1of1ForFork5_thidvar2=v_thread3Thread1of1ForFork5_thidvar2_2, thread3Thread1of1ForFork5_thidvar1=v_thread3Thread1of1ForFork5_thidvar1_2, thread3Thread1of1ForFork5_thidvar0=v_thread3Thread1of1ForFork5_thidvar0_2, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_thidvar2, thread3Thread1of1ForFork5_thidvar1, thread3Thread1of1ForFork5_thidvar0, thread3Thread1of1ForFork5_k] 187#[thread3ENTRY, L36, thread1ENTRY, thread2ENTRY]true [118] thread3ENTRY-->L89-1: Formula: (= v_thread3Thread1of1ForFork5_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_k] 189#[L36, thread1ENTRY, thread2ENTRY, L89-1]true [2022-09-29 15:02:53,600 INFO L735 eck$LassoCheckResult]: Loop: 189#[L36, thread1ENTRY, thread2ENTRY, L89-1]true [187] L89-1-->L89-1: Formula: (and (< v_thread3Thread1of1ForFork5_k_36 v_N_56) (= v_thread3Thread1of1ForFork5_k_35 (+ v_thread3Thread1of1ForFork5_k_36 1)) (= v_B_105 (store v_B_106 v_thread3Thread1of1ForFork5_k_36 v_thread3Thread1of1ForFork5_k_36))) InVars {N=v_N_56, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_36, B=v_B_106} OutVars{N=v_N_56, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_35, B=v_B_105} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_k, B] 189#[L36, thread1ENTRY, thread2ENTRY, L89-1]true [2022-09-29 15:02:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 103529733, now seen corresponding path program 1 times [2022-09-29 15:02:53,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250903200] [2022-09-29 15:02:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,606 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash 218, now seen corresponding path program 1 times [2022-09-29 15:02:53,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002433194] [2022-09-29 15:02:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,622 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1085545386, now seen corresponding path program 1 times [2022-09-29 15:02:53,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22058904] [2022-09-29 15:02:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,666 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,704 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 15:02:53,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,776 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:53,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:53,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:53,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:53,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:53,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:53,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:53,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:02:53,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:53,777 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:53,778 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 15:02:53,781 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 15:02:53,786 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 15:02:53,792 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 15:02:53,795 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 15:02:53,798 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 15:02:53,800 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 15:02:53,803 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 15:02:53,806 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 15:02:53,808 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 15:02:53,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:53,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:53,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,894 INFO L229 MonitoredProcess]: Starting monitored process 10 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 15:02:53,905 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 15:02:53,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:53,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:53,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:02:53,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:53,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,957 INFO L229 MonitoredProcess]: Starting monitored process 11 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 15:02:53,964 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 15:02:53,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:53,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:53,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:02:53,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,016 INFO L229 MonitoredProcess]: Starting monitored process 12 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 15:02:54,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:02:54,019 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 15:02:54,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,063 INFO L229 MonitoredProcess]: Starting monitored process 13 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 15:02:54,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:02:54,065 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 15:02:54,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,112 INFO L229 MonitoredProcess]: Starting monitored process 14 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 15:02:54,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:02:54,116 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 15:02:54,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,171 INFO L229 MonitoredProcess]: Starting monitored process 15 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 15:02:54,178 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 15:02:54,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:54,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:54,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:54,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:02:54,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,205 INFO L229 MonitoredProcess]: Starting monitored process 16 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 15:02:54,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:02:54,207 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 15:02:54,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,277 INFO L229 MonitoredProcess]: Starting monitored process 17 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 15:02:54,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:02:54,280 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 15:02:54,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:54,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:54,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:54,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,333 INFO L229 MonitoredProcess]: Starting monitored process 18 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 15:02:54,342 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 15:02:54,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:02:54,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:54,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:54,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:54,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,379 INFO L229 MonitoredProcess]: Starting monitored process 19 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 15:02:54,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:02:54,381 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 15:02:54,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:54,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:54,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:54,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-09-29 15:02:54,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,422 INFO L229 MonitoredProcess]: Starting monitored process 20 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 15:02:54,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-09-29 15:02:54,424 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 15:02:54,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:54,478 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-09-29 15:02:54,478 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,480 INFO L229 MonitoredProcess]: Starting monitored process 21 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 15:02:54,488 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:54,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-09-29 15:02:54,506 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:54,507 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:54,507 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork5_k, N) = -1*thread3Thread1of1ForFork5_k + 1*N Supporting invariants [] [2022-09-29 15:02:54,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:54,535 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:54,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:54,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:54,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:54,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:54,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:54,569 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 15:02:54,569 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 15:02:54,570 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:02:54,701 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 862 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:54,702 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:55,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-09-29 15:02:57,469 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:57,469 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 15:02:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:02:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2022-09-29 15:02:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:57,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:02:57,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:57,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:57,472 INFO L428 stractBuchiCegarLoop]: Abstraction has has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:02:57,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:57,472 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:02:58,352 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:02:59,382 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:59,440 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:00,412 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,438 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:01,436 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,458 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:02,450 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:02,955 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:05,052 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,069 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:07,118 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:07,365 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:09,475 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,544 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:11,715 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:11,790 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:13,908 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:13,931 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:15,961 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:17,311 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:21,339 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:21,391 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:25,396 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:25,416 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:29,226 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:29,251 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:31,363 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:31,385 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:33,416 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:33,684 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:35,686 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:35,708 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:37,779 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:37,835 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:41,986 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:42,007 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:46,212 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:46,236 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:48,194 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:48,212 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:50,226 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:50,250 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:54,484 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:54,561 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:03:58,676 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:58,698 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:02,815 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:03,487 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:06,744 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:06,762 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:10,139 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:11,037 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:14,373 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:14,507 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:18,193 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:18,888 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 82 places, 171072 transitions, 1561032 flow [2022-09-29 15:04:36,955 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:36,955 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:04:36,955 INFO L123 PetriNetUnfolderBase]: 1372/1696 cut-off events. [2022-09-29 15:04:36,955 INFO L124 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2022-09-29 15:04:36,955 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:04:36,956 INFO L733 eck$LassoCheckResult]: Stem: 79#[ULTIMATE.startENTRY]true [76] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, thread1ENTRY]true [156] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 136#[thread1ENTRY, thread2ENTRY, L35]true [159] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork5_thidvar0_2 3) (= v_thread3Thread1of1ForFork5_thidvar2_2 3) (= v_thread3Thread1of1ForFork5_thidvar1_2 3)) InVars {} OutVars{thread3Thread1of1ForFork5_thidvar2=v_thread3Thread1of1ForFork5_thidvar2_2, thread3Thread1of1ForFork5_thidvar1=v_thread3Thread1of1ForFork5_thidvar1_2, thread3Thread1of1ForFork5_thidvar0=v_thread3Thread1of1ForFork5_thidvar0_2, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_thidvar2, thread3Thread1of1ForFork5_thidvar1, thread3Thread1of1ForFork5_thidvar0, thread3Thread1of1ForFork5_k] 187#[thread3ENTRY, L36, thread1ENTRY, thread2ENTRY]true [144] L36-->thread3ENTRY: Formula: (and (= 4 v_thread3Thread1of1ForFork0_thidvar1_2) (= 4 v_thread3Thread1of1ForFork0_thidvar0_2) (= 4 v_thread3Thread1of1ForFork0_thidvar2_2) (= 4 v_thread3Thread1of1ForFork0_thidvar3_2)) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_14, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0] 242#[thread3ENTRY, thread1ENTRY, thread2ENTRY, L37, thread3ENTRY]true [124] thread3ENTRY-->L89-1: Formula: (= v_thread3Thread1of1ForFork0_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k] 244#[thread3ENTRY, thread1ENTRY, thread2ENTRY, L37, L89-1]true [2022-09-29 15:04:36,956 INFO L735 eck$LassoCheckResult]: Loop: 244#[thread3ENTRY, thread1ENTRY, thread2ENTRY, L37, L89-1]true [189] L89-1-->L89-1: Formula: (and (= (store v_B_116 v_thread3Thread1of1ForFork0_k_36 v_thread3Thread1of1ForFork0_k_36) v_B_115) (< v_thread3Thread1of1ForFork0_k_36 v_N_58) (= (+ v_thread3Thread1of1ForFork0_k_36 1) v_thread3Thread1of1ForFork0_k_35)) InVars {N=v_N_58, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_36, B=v_B_116} OutVars{N=v_N_58, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_35, B=v_B_115} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, B] 244#[thread3ENTRY, thread1ENTRY, thread2ENTRY, L37, L89-1]true [2022-09-29 15:04:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:04:36,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1085544643, now seen corresponding path program 1 times [2022-09-29 15:04:36,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:04:36,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471423977] [2022-09-29 15:04:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:04:36,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:04:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,966 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:04:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:04:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:04:36,971 INFO L85 PathProgramCache]: Analyzing trace with hash 220, now seen corresponding path program 1 times [2022-09-29 15:04:36,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:04:36,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579175481] [2022-09-29 15:04:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:04:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:04:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,975 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:04:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:04:36,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:04:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash 707854624, now seen corresponding path program 1 times [2022-09-29 15:04:36,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:04:36,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779532086] [2022-09-29 15:04:36,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:04:36,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:04:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,984 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:04:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:04:36,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:04:37,068 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:04:37,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:04:37,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:04:37,068 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:04:37,068 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:04:37,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:04:37,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:04:37,068 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration4_Lasso [2022-09-29 15:04:37,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:04:37,068 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:04:37,070 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 15:04:37,074 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 15:04:37,076 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 15:04:37,078 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 15:04:37,082 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 15:04:37,094 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 15:04:37,097 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 15:04:37,099 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 15:04:37,102 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 15:04:37,103 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 15:04:37,106 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 15:04:37,109 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 15:04:37,116 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 15:04:37,118 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 15:04:37,120 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 15:04:37,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:04:37,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:04:37,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,230 INFO L229 MonitoredProcess]: Starting monitored process 22 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 15:04:37,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-09-29 15:04:37,234 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 15:04:37,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:04:37,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:04:37,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:04:37,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:04:37,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:04:37,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:04:37,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:04:37,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-09-29 15:04:37,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,260 INFO L229 MonitoredProcess]: Starting monitored process 23 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 15:04:37,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-09-29 15:04:37,262 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 15:04:37,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:04:37,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:04:37,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:04:37,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:04:37,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:04:37,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:04:37,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:04:37,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-09-29 15:04:37,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,286 INFO L229 MonitoredProcess]: Starting monitored process 24 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 15:04:37,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-09-29 15:04:37,288 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 15:04:37,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:04:37,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:04:37,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:04:37,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:04:37,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:04:37,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:04:37,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:04:37,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:04:37,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-09-29 15:04:37,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,311 INFO L229 MonitoredProcess]: Starting monitored process 25 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 15:04:37,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-09-29 15:04:37,313 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 15:04:37,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:04:37,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:04:37,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:04:37,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:04:37,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:04:37,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:04:37,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:04:37,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-09-29 15:04:37,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,355 INFO L229 MonitoredProcess]: Starting monitored process 26 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 15:04:37,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-09-29 15:04:37,357 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 15:04:37,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:04:37,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:04:37,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:04:37,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:04:37,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:04:37,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:04:37,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:04:37,389 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:04:37,389 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-09-29 15:04:37,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:04:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:04:37,390 INFO L229 MonitoredProcess]: Starting monitored process 27 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 15:04:37,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-09-29 15:04:37,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:04:37,398 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:04:37,398 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:04:37,398 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_k, N) = -1*thread3Thread1of1ForFork0_k + 1*N Supporting invariants [] [2022-09-29 15:04:37,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-09-29 15:04:37,414 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:04:37,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:04:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:04:37,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:04:37,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:04:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:04:37,446 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:04:37,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:04:37,446 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 15:04:37,447 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 15:04:37,447 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 15:04:37,578 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 862 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:04:37,579 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:04:38,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 Received shutdown request... [2022-09-29 15:06:13,405 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:06:14,459 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown