/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/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:06:51,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:06:51,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:06:51,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:06:51,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:06:51,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:06:51,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:06:51,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:06:51,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:06:51,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:06:51,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:06:51,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:06:51,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:06:51,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:06:51,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:06:51,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:06:51,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:06:51,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:06:51,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:06:51,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:06:51,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:06:51,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:06:51,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:06:51,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:06:51,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 15:06:51,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 15:06:51,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 15:06:51,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 15:06:51,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 15:06:51,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-29 15:06:51,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:06:51,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:06:51,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:06:51,338 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 15:06:51,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:06:51,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:06:51,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:06:51,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:06:51,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:06:51,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:06:51,372 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:06:51,372 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:06:51,373 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:06:51,373 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:06:51,373 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:06:51,373 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:06:51,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:06:51,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:06:51,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:06:51,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:06:51,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:06:51,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:06:51,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:06:51,378 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:06:51,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:06:51,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:06:51,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:06:51,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:06:51,626 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:06:51,629 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:06:51,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2022-09-29 15:06:51,630 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2022-09-29 15:06:51,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:06:51,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:06:51,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:51,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:06:51,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:06:51,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,678 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:06:51,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:51,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:06:51,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:06:51,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:06:51,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:06:51,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:06:51,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:06:51,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:06:51,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/1) ... [2022-09-29 15:06:51,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:51,733 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 15:06:51,739 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 15:06:51,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2022-09-29 15:06:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2022-09-29 15:06:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2022-09-29 15:06:51,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2022-09-29 15:06:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2022-09-29 15:06:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2022-09-29 15:06:51,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2022-09-29 15:06:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2022-09-29 15:06:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2022-09-29 15:06:51,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:06:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:06:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:06:51,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-09-29 15:06:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-09-29 15:06:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-09-29 15:06:51,766 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 15:06:51,813 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:06:51,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:06:51,940 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:06:51,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:06:51,948 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:06:51,949 INFO L202 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:51 BoogieIcfgContainer [2022-09-29 15:06:51,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:06:51,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:06:51,951 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:06:51,966 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:06:51,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:51,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:51" (1/2) ... [2022-09-29 15:06:51,968 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb75fd4 and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:06:51, skipping insertion in model container [2022-09-29 15:06:51,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:51,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:51" (2/2) ... [2022-09-29 15:06:51,976 INFO L322 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2022-09-29 15:06:52,085 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:06:52,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 106 flow [2022-09-29 15:06:52,142 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:52,142 INFO L123 PetriNetUnfolderBase]: 3/32 cut-off events. [2022-09-29 15:06:52,142 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:52,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:06:52,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 106 flow [2022-09-29 15:06:52,168 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2022-09-29 15:06:52,171 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:06:52,202 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 82 flow [2022-09-29 15:06:52,205 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 82 flow [2022-09-29 15:06:52,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 82 flow [2022-09-29 15:06:52,228 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:52,228 INFO L123 PetriNetUnfolderBase]: 3/32 cut-off events. [2022-09-29 15:06:52,228 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:52,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:06:52,231 INFO L116 LiptonReduction]: Number of co-enabled transitions 550 [2022-09-29 15:06:52,504 INFO L131 LiptonReduction]: Checked pairs total: 637 [2022-09-29 15:06:52,505 INFO L133 LiptonReduction]: Total number of compositions: 9 [2022-09-29 15:06:52,522 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:06:52,522 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:06:52,522 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:06:52,522 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:06:52,522 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:06:52,523 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:06:52,523 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:06:52,523 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:06:52,524 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 33 places, 23 transitions, 64 flow [2022-09-29 15:06:52,533 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 33 places, 23 transitions, 64 flow [2022-09-29 15:06:52,535 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:52,535 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:52,535 INFO L123 PetriNetUnfolderBase]: 0/10 cut-off events. [2022-09-29 15:06:52,535 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:52,535 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:52,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:06:52,538 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 33 places, 23 transitions, 64 flow [2022-09-29 15:06:52,545 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 33 places, 23 transitions, 64 flow [2022-09-29 15:06:52,545 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:52,546 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:52,546 INFO L123 PetriNetUnfolderBase]: 0/10 cut-off events. [2022-09-29 15:06:52,546 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:52,546 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:52,550 INFO L733 eck$LassoCheckResult]: Stem: 50#[ULTIMATE.startENTRY]true [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[bankENTRY, L68]true [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[bankENTRY, sum1ENTRY, L69]true [107] L69-->sum2ENTRY: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 56#[bankENTRY, sum1ENTRY, sum2ENTRY, L70]true [110] L70-->mapAbsENTRY: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 58#[mapAbsENTRY, bankENTRY, sum1ENTRY, sum2ENTRY, L71]true [93] mapAbsENTRY-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 60#[L57-1, bankENTRY, sum1ENTRY, sum2ENTRY, L71]true [2022-09-29 15:06:52,551 INFO L735 eck$LassoCheckResult]: Loop: 60#[L57-1, bankENTRY, sum1ENTRY, sum2ENTRY, L71]true [121] L57-1-->L57-1: Formula: (and (= v_A_35 (store v_A_36 v_mapAbsThread1of1ForFork3_j_32 (let ((.cse0 (select v_A_36 v_mapAbsThread1of1ForFork3_j_32))) (ite (< .cse0 0) (- .cse0) .cse0)))) (< v_mapAbsThread1of1ForFork3_j_32 v_N_23) (= v_mapAbsThread1of1ForFork3_j_31 (+ v_mapAbsThread1of1ForFork3_j_32 1))) InVars {A=v_A_36, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_32} OutVars{A=v_A_35, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_31} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 60#[L57-1, bankENTRY, sum1ENTRY, sum2ENTRY, L71]true [2022-09-29 15:06:52,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:52,554 INFO L85 PathProgramCache]: Analyzing trace with hash 125109366, now seen corresponding path program 1 times [2022-09-29 15:06:52,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:52,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941631489] [2022-09-29 15:06:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,617 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:52,639 INFO L85 PathProgramCache]: Analyzing trace with hash 152, now seen corresponding path program 1 times [2022-09-29 15:06:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:52,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338252952] [2022-09-29 15:06:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,655 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash -416576829, now seen corresponding path program 1 times [2022-09-29 15:06:52,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:52,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239147414] [2022-09-29 15:06:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:52,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:52,809 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:52,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:52,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:52,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:52,810 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:52,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:52,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:52,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:52,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:06:52,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:52,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:52,827 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 15:06:52,878 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 15:06:52,882 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 15:06:52,885 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 15:06:52,888 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 15:06:52,904 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 15:06:52,908 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 15:06:52,911 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 15:06:52,914 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 15:06:52,917 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 15:06:52,920 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 15:06:52,923 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 15:06:52,926 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 15:06:53,044 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:53,047 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:53,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,050 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 15:06:53,051 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 15:06:53,053 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 15:06:53,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:53,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:53,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:53,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,107 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 15:06:53,108 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 15:06:53,109 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 15:06:53,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:53,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:53,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:53,164 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 15:06:53,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,166 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 15:06:53,173 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 15:06:53,174 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 15:06:53,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:53,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:53,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:53,213 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 15:06:53,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,215 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 15:06:53,216 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 15:06:53,218 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 15:06:53,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:53,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:53,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:53,267 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 15:06:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,269 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 15:06:53,271 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 15:06:53,272 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 15:06:53,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:53,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:53,298 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:53,320 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:53,320 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:53,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,324 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 15:06:53,325 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 15:06:53,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:53,347 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:53,348 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:53,348 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, mapAbsThread1of1ForFork3_j) = 1*N - 1*mapAbsThread1of1ForFork3_j Supporting invariants [] [2022-09-29 15:06:53,374 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 15:06:53,377 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:53,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:53,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:53,433 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:53,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:53,437 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 15:06:53,478 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 15:06:53,481 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 15:06:53,601 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 430 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:53,602 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:53,609 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:53,622 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 15:06:53,626 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 15:06:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2022-09-29 15:06:53,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 143 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:06:53,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:53,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 143 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:06:53,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:53,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 143 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:06:53,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:53,631 INFO L428 stractBuchiCegarLoop]: Abstraction has has 45 places, 392 transitions, 1874 flow [2022-09-29 15:06:53,631 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:06:53,631 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 45 places, 392 transitions, 1874 flow [2022-09-29 15:06:53,650 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 45 places, 392 transitions, 1874 flow [2022-09-29 15:06:53,653 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:53,667 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 45 places, 392 transitions, 1874 flow [2022-09-29 15:06:53,671 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:53,671 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:53,672 INFO L123 PetriNetUnfolderBase]: 107/159 cut-off events. [2022-09-29 15:06:53,672 INFO L124 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2022-09-29 15:06:53,672 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:53,672 INFO L733 eck$LassoCheckResult]: Stem: 50#[ULTIMATE.startENTRY]true [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[bankENTRY, L68]true [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[bankENTRY, sum1ENTRY, L69]true [76] sum1ENTRY-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 119#[bankENTRY, L69, L22]true [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 121#[L23-1, bankENTRY, L69]true [2022-09-29 15:06:53,673 INFO L735 eck$LassoCheckResult]: Loop: 121#[L23-1, bankENTRY, L69]true [116] L23-1-->L25: Formula: (and (< v_i1_18 v_N_9) (= (+ (let ((.cse0 (select v_A_23 v_i1_18))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum1_22) v_sum1_21)) InVars {sum1=v_sum1_22, A=v_A_23, N=v_N_9, i1=v_i1_18} OutVars{sum1=v_sum1_21, A=v_A_23, N=v_N_9, i1=v_i1_18} AuxVars[] AssignedVars[sum1] 124#[bankENTRY, L25, L69]true [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 121#[L23-1, bankENTRY, L69]true [2022-09-29 15:06:53,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2022-09-29 15:06:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:53,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676536276] [2022-09-29 15:06:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,677 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:53,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:53,686 INFO L85 PathProgramCache]: Analyzing trace with hash 4639, now seen corresponding path program 1 times [2022-09-29 15:06:53,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:53,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123345576] [2022-09-29 15:06:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:53,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:53,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:53,699 INFO L85 PathProgramCache]: Analyzing trace with hash -417531389, now seen corresponding path program 1 times [2022-09-29 15:06:53,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:53,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287423142] [2022-09-29 15:06:53,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:53,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,710 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:53,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:53,778 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:53,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:53,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:53,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:53,785 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:53,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:53,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:53,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:06:53,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:53,785 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:53,788 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 15:06:53,790 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 15:06:53,822 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 15:06:53,825 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 15:06:53,827 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 15:06:53,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:53,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,932 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 15:06:53,942 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 15:06:53,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:53,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:53,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:53,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:53,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:53,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:53,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:53,953 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 15:06:53,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:53,987 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 15:06:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:53,989 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 15:06:53,998 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 15:06:54,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:54,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:54,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:54,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:54,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:54,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:54,014 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 15:06:54,030 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:54,038 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:54,038 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:54,068 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 15:06:54,069 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 15:06:54,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:54,076 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:54,076 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:54,076 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i1) = 1*N - 1*i1 Supporting invariants [] [2022-09-29 15:06:54,091 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 15:06:54,092 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:54,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:54,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:54,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:54,138 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:54,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:54,152 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 15:06:54,152 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:06:54,153 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 15:06:54,296 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 15:06:54,321 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 9 states and 624 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:06:54,321 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:54,332 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 15:06:54,389 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:54,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:06:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 15:06:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2022-09-29 15:06:54,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:06:54,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:54,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 6 letters. Loop has 2 letters. [2022-09-29 15:06:54,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:54,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 4 letters. Loop has 4 letters. [2022-09-29 15:06:54,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:54,394 INFO L428 stractBuchiCegarLoop]: Abstraction has has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,394 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:06:54,394 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,532 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,570 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:54,637 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,675 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:54,700 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,730 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:54,732 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,756 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:54,832 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 9796 transitions, 66732 flow [2022-09-29 15:06:54,917 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:54,917 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:54,917 INFO L123 PetriNetUnfolderBase]: 1194/1485 cut-off events. [2022-09-29 15:06:54,917 INFO L124 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2022-09-29 15:06:54,918 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:54,918 INFO L733 eck$LassoCheckResult]: Stem: 50#[ULTIMATE.startENTRY]true [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[bankENTRY, L68]true [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[bankENTRY, sum1ENTRY, L69]true [107] L69-->sum2ENTRY: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 56#[bankENTRY, sum1ENTRY, sum2ENTRY, L70]true [83] sum2ENTRY-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 183#[bankENTRY, sum1ENTRY, L34, L70]true [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 185#[bankENTRY, sum1ENTRY, L35-1, L70]true [2022-09-29 15:06:54,918 INFO L735 eck$LassoCheckResult]: Loop: 185#[bankENTRY, sum1ENTRY, L35-1, L70]true [118] L35-1-->L37: Formula: (and (< v_i2_21 v_N_13) (= (+ (let ((.cse0 (select v_A_25 v_i2_21))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_22) v_sum2_21)) InVars {A=v_A_25, sum2=v_sum2_22, N=v_N_13, i2=v_i2_21} OutVars{A=v_A_25, sum2=v_sum2_21, N=v_N_13, i2=v_i2_21} AuxVars[] AssignedVars[sum2] 188#[L37, bankENTRY, sum1ENTRY, L70]true [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 185#[bankENTRY, sum1ENTRY, L35-1, L70]true [2022-09-29 15:06:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash 125108520, now seen corresponding path program 1 times [2022-09-29 15:06:54,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:54,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128095290] [2022-09-29 15:06:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:54,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,923 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash 4708, now seen corresponding path program 1 times [2022-09-29 15:06:54,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:54,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512663066] [2022-09-29 15:06:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:54,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash -29792821, now seen corresponding path program 1 times [2022-09-29 15:06:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:54,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903625807] [2022-09-29 15:06:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,940 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:54,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:55,005 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:55,005 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:55,005 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:55,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:55,005 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:55,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:55,005 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:55,005 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:55,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:06:55,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:55,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:55,007 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 15:06:55,010 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 15:06:55,037 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 15:06:55,039 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 15:06:55,041 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 15:06:55,044 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 15:06:55,045 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 15:06:55,048 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 15:06:55,050 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 15:06:55,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:55,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:55,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:55,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:55,157 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 15:06:55,166 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 15:06:55,166 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 15:06:55,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:55,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:55,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:55,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:55,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:55,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:55,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:55,221 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 15:06:55,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:55,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:55,222 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 15:06:55,230 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 15:06:55,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:55,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:55,237 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:06:55,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:55,243 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 15:06:55,248 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:06:55,248 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:06:55,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:55,291 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 15:06:55,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:55,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:55,292 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 15:06:55,295 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 15:06:55,296 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 15:06:55,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:55,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:55,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:55,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:55,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:55,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:55,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:55,338 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:06:55,338 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:55,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:55,340 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 15:06:55,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:55,378 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 15:06:55,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:55,396 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:55,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2022-09-29 15:06:55,419 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 15:06:55,420 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:55,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:55,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:55,444 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:55,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:55,460 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 15:06:55,461 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:06:55,461 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:06:55,560 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 9 states and 624 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:06:55,560 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:59,083 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:59,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:06:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:06:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2022-09-29 15:06:59,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:06:59,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:59,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 7 letters. Loop has 2 letters. [2022-09-29 15:06:59,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:59,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 5 letters. Loop has 4 letters. [2022-09-29 15:06:59,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:59,090 INFO L428 stractBuchiCegarLoop]: Abstraction has has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:06:59,090 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:06:59,090 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:04,950 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:10,576 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:11,720 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:17,284 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:18,296 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:23,762 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:23,788 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:28,844 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:29,111 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:34,157 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:34,178 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:39,322 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:39,669 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:45,400 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:45,597 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:07:55,299 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:56,904 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:05,493 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:05,518 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:14,288 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:15,060 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:24,835 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:24,879 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:34,086 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:34,108 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:43,319 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:43,344 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:08:53,019 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:56,706 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:05,844 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:06,889 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:15,720 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:15,840 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:24,437 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:24,663 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:34,147 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:34,171 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:42,576 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:42,805 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:09:51,538 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:51,558 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:00,591 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:00,615 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:09,077 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:09,097 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:17,565 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:17,872 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:31,488 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:31,558 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:45,232 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:45,251 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:10:58,584 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:11:01,215 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:11:14,225 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:11:16,237 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow [2022-09-29 15:11:30,351 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:11:30,490 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 244400 transitions, 2162056 flow Received shutdown request... [2022-09-29 15:11:37,993 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 15:11:37,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:11:39,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 [2022-09-29 15:11:39,036 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown