/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/max-tailsum4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:03:05,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:03:05,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:03:05,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:03:05,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:03:05,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:03:05,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:03:05,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:03:05,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:03:05,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:03:05,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:03:05,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:03:05,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:03:05,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:03:05,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:03:05,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:03:05,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:03:05,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:03:05,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:03:05,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:03:05,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:03:05,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:03:05,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:03:05,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:03:05,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 15:03:05,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 15:03:05,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 15:03:05,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 15:03:05,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 15:03:05,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 15:03:05,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:03:05,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:03:05,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:03:05,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:03:05,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:03:05,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:03:05,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:03:05,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:03:05,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:03:05,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:03:05,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:03:05,222 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 15:03:05,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:03:05,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:03:05,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:03:05,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:03:05,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:03:05,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:03:05,260 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:03:05,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:03:05,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:03:05,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:03:05,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:03:05,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:03:05,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:03:05,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:03:05,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:03:05,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:03:05,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:03:05,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:03:05,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:03:05,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:03:05,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:03:05,265 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:03:05,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:03:05,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:03:05,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:03:05,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:03:05,482 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:03:05,483 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:03:05,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl [2022-09-29 15:03:05,485 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl' [2022-09-29 15:03:05,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:03:05,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:03:05,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:03:05,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:03:05,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:03:05,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,537 INFO L137 Inliner]: procedures = 3, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:03:05,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:03:05,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:03:05,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:03:05,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:03:05,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:03:05,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:03:05,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:03:05,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:03:05,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/1) ... [2022-09-29 15:03:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:05,601 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 15:03:05,613 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 15:03:05,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:03:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:03:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:03:05,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2022-09-29 15:03:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-09-29 15:03:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-09-29 15:03:05,637 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 15:03:05,677 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:03:05,679 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:03:05,767 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:03:05,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:03:05,774 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:03:05,775 INFO L202 PluginConnector]: Adding new model max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:03:05 BoogieIcfgContainer [2022-09-29 15:03:05,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:03:05,776 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:03:05,776 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:03:05,780 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:03:05,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:03:05,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:05" (1/2) ... [2022-09-29 15:03:05,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a011bf8 and model type max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:03:05, skipping insertion in model container [2022-09-29 15:03:05,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:03:05,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:03:05" (2/2) ... [2022-09-29 15:03:05,786 INFO L322 chiAutomizerObserver]: Analyzing ICFG max-tailsum4.bpl [2022-09-29 15:03:05,874 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-09-29 15:03:05,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 144 flow [2022-09-29 15:03:05,946 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:03:05,947 INFO L123 PetriNetUnfolderBase]: 4/48 cut-off events. [2022-09-29 15:03:05,947 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:03:05,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 4/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 127 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2022-09-29 15:03:05,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 56 transitions, 144 flow [2022-09-29 15:03:05,974 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 48 transitions, 120 flow [2022-09-29 15:03:05,978 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:03:06,007 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 48 transitions, 120 flow [2022-09-29 15:03:06,010 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 48 transitions, 120 flow [2022-09-29 15:03:06,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 48 transitions, 120 flow [2022-09-29 15:03:06,035 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:03:06,036 INFO L123 PetriNetUnfolderBase]: 4/48 cut-off events. [2022-09-29 15:03:06,036 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:03:06,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 4/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 134 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2022-09-29 15:03:06,039 INFO L116 LiptonReduction]: Number of co-enabled transitions 1188 [2022-09-29 15:03:06,589 INFO L131 LiptonReduction]: Checked pairs total: 906 [2022-09-29 15:03:06,589 INFO L133 LiptonReduction]: Total number of compositions: 25 [2022-09-29 15:03:06,607 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:03:06,607 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:03:06,607 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:03:06,608 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:03:06,608 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:03:06,608 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:03:06,608 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:03:06,608 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:03:06,609 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:03:06,616 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:03:06,618 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,619 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:06,619 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:03:06,619 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:03:06,619 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:06,623 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:03:06,624 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:03:06,626 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:03:06,627 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,627 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:06,627 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:03:06,628 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:03:06,628 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:06,633 INFO L733 eck$LassoCheckResult]: Stem: 65#[ULTIMATE.startENTRY]true [26] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 67#[L54]true [84] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 69#[sumENTRY, L54-1]true [119] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork0_x_17) (= 0 v_sumThread1of1ForFork0_z_17) (= v_sumThread1of1ForFork0_i_25 v_sumThread1of1ForFork0_lo_5)) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_5} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_17, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_17, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_25, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_5} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 71#[L54-1, L31-1]true [2022-09-29 15:03:06,633 INFO L735 eck$LassoCheckResult]: Loop: 71#[L54-1, L31-1]true [120] L31-1-->L31-1: Formula: (and (= (+ v_sumThread1of1ForFork0_i_28 1) v_sumThread1of1ForFork0_i_27) (= (let ((.cse0 (+ (select v_A_21 v_sumThread1of1ForFork0_i_27) v_sumThread1of1ForFork0_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork0_z_19) (< v_sumThread1of1ForFork0_i_28 v_sumThread1of1ForFork0_hi_11) (= (+ (select v_A_21 v_sumThread1of1ForFork0_i_28) v_sumThread1of1ForFork0_x_20) v_sumThread1of1ForFork0_x_19)) InVars {A=v_A_21, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_11, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_20, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_20, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_28} OutVars{A=v_A_21, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_11, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_19, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_19, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_27} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 71#[L54-1, L31-1]true [2022-09-29 15:03:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 57500, now seen corresponding path program 1 times [2022-09-29 15:03:06,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:06,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366211674] [2022-09-29 15:03:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,708 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:06,731 INFO L85 PathProgramCache]: Analyzing trace with hash 151, now seen corresponding path program 1 times [2022-09-29 15:03:06,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:06,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724870375] [2022-09-29 15:03:06,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:06,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,746 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1782620, now seen corresponding path program 1 times [2022-09-29 15:03:06,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:06,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732682588] [2022-09-29 15:03:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:06,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:06,958 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:06,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:06,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:06,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:06,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:06,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:06,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:06,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:06,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:03:06,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:06,960 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:07,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:07,299 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:07,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-09-29 15:03:07,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-09-29 15:03:07,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:03:07,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,429 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:03:07,429 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:03:07,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-09-29 15:03:07,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,534 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:07,562 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-09-29 15:03:07,562 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-09-29 15:03:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,573 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:07,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-09-29 15:03:07,590 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-09-29 15:03:07,591 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:07,591 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_k2, sumThread1of1ForFork0_i) = 1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork0_i Supporting invariants [1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork0_hi >= 0] [2022-09-29 15:03:07,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,621 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:03:07,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:07,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:07,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:07,737 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-29 15:03:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:07,775 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2022-09-29 15:03:07,777 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:08,246 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 1278 transitions.7 powerset states4 rank states. The highest rank that occured is 1 [2022-09-29 15:03:08,247 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:08,253 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 2 accepting loop states [2022-09-29 15:03:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 399 transitions. [2022-09-29 15:03:08,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 399 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:03:08,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:08,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 399 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:08,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:08,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 399 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:03:08,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:08,280 INFO L428 stractBuchiCegarLoop]: Abstraction has has 54 places, 706 transitions, 3574 flow [2022-09-29 15:03:08,280 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:03:08,280 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 54 places, 706 transitions, 3574 flow [2022-09-29 15:03:08,282 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 54 places, 706 transitions, 3574 flow [2022-09-29 15:03:08,283 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:08,285 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 54 places, 706 transitions, 3574 flow [2022-09-29 15:03:08,288 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:08,288 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:08,288 INFO L123 PetriNetUnfolderBase]: 5/17 cut-off events. [2022-09-29 15:03:08,288 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:03:08,288 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:08,289 INFO L733 eck$LassoCheckResult]: Stem: 65#[ULTIMATE.startENTRY]true [26] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 67#[L54]true [84] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 69#[sumENTRY, L54-1]true [87] L54-1-->sumENTRY: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 148#[sumENTRY, sumENTRY, L55]true [118] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork1_x_19) (= 0 v_sumThread1of1ForFork1_z_13) (= v_sumThread1of1ForFork1_lo_7 v_sumThread1of1ForFork1_i_29)) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_7} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_13, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_29, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_19, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 150#[sumENTRY, L31-1, L55]true [2022-09-29 15:03:08,289 INFO L735 eck$LassoCheckResult]: Loop: 150#[sumENTRY, L31-1, L55]true [122] L31-1-->L31-1: Formula: (and (= (+ v_sumThread1of1ForFork1_i_32 1) v_sumThread1of1ForFork1_i_31) (= v_sumThread1of1ForFork1_x_21 (+ (select v_A_25 v_sumThread1of1ForFork1_i_32) v_sumThread1of1ForFork1_x_22)) (< v_sumThread1of1ForFork1_i_32 v_sumThread1of1ForFork1_hi_11) (= (let ((.cse0 (+ (select v_A_25 v_sumThread1of1ForFork1_i_31) v_sumThread1of1ForFork1_z_16))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork1_z_15)) InVars {A=v_A_25, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_16, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_32, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_22} OutVars{A=v_A_25, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_15, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_31, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_21} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 150#[sumENTRY, L31-1, L55]true [2022-09-29 15:03:08,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1781626, now seen corresponding path program 1 times [2022-09-29 15:03:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:08,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538156277] [2022-09-29 15:03:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,301 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:08,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:08,307 INFO L85 PathProgramCache]: Analyzing trace with hash 153, now seen corresponding path program 1 times [2022-09-29 15:03:08,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:08,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607800224] [2022-09-29 15:03:08,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:08,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:08,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash 55230528, now seen corresponding path program 1 times [2022-09-29 15:03:08,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:08,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186764576] [2022-09-29 15:03:08,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:08,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,328 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:08,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:08,461 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:08,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:08,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:08,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:08,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:08,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:08,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:08,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:03:08,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:08,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:08,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:08,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:08,669 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,672 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:08,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:08,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:08,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:08,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:08,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:03:08,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:08,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:08,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-09-29 15:03:08,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:08,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:08,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:08,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:08,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:08,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,795 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:08,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:08,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:08,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:08,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-09-29 15:03:08,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:08,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:08,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,853 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 15:03:08,855 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 15:03:08,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:08,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:08,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:08,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:08,895 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 15:03:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,898 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 15:03:08,899 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 15:03:08,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:08,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:08,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:08,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:08,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:08,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:08,957 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:08,959 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 15:03:08,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:08,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:08,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:08,967 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:03:08,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:08,982 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:03:08,983 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:03:09,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:09,034 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 15:03:09,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:09,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:09,035 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 15:03:09,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:09,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:09,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:09,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:09,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:09,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:09,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:09,042 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 15:03:09,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:09,083 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:03:09,083 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:03:09,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:09,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:09,112 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 15:03:09,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:09,125 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 15:03:09,144 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:09,144 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:09,144 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_hi, sumThread1of1ForFork1_i) = 1*sumThread1of1ForFork1_hi - 1*sumThread1of1ForFork1_i Supporting invariants [] [2022-09-29 15:03:09,167 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 15:03:09,168 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:09,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:09,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:09,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:09,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:09,196 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:09,197 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:09,297 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 709 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:09,298 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:09,369 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:03:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2022-09-29 15:03:09,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 235 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:09,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:09,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 235 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:03:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:09,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 235 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:03:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:09,372 INFO L428 stractBuchiCegarLoop]: Abstraction has has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,372 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:03:09,372 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,443 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,458 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,460 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:09,477 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,497 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,531 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,538 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,546 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 15:03:09,565 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,567 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,585 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,612 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,627 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,647 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,675 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,677 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 66 places, 12004 transitions, 84948 flow [2022-09-29 15:03:09,728 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,728 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:09,728 INFO L123 PetriNetUnfolderBase]: 142/210 cut-off events. [2022-09-29 15:03:09,728 INFO L124 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2022-09-29 15:03:09,728 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:09,729 INFO L733 eck$LassoCheckResult]: Stem: 65#[ULTIMATE.startENTRY]true [26] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 67#[L54]true [84] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 69#[sumENTRY, L54-1]true [87] L54-1-->sumENTRY: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 148#[sumENTRY, sumENTRY, L55]true [90] L55-->sumENTRY: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_ULTIMATE.start_k3_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] 199#[sumENTRY, sumENTRY, L56, sumENTRY]true [114] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork2_z_17) (= 0 v_sumThread1of1ForFork2_x_17) (= v_sumThread1of1ForFork2_i_25 v_sumThread1of1ForFork2_lo_5)) InVars {sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_5} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_17, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_25, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_17, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_5} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 201#[sumENTRY, L56, sumENTRY, L31-1]true [2022-09-29 15:03:09,730 INFO L735 eck$LassoCheckResult]: Loop: 201#[sumENTRY, L56, sumENTRY, L31-1]true [121] L31-1-->L31-1: Formula: (and (= (+ (select v_A_23 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_x_20) v_sumThread1of1ForFork2_x_19) (= (+ 1 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_i_27) (< v_sumThread1of1ForFork2_i_28 v_sumThread1of1ForFork2_hi_11) (= (let ((.cse0 (+ (select v_A_23 v_sumThread1of1ForFork2_i_27) v_sumThread1of1ForFork2_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork2_z_19)) InVars {A=v_A_23, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_20, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_28, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_20, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} OutVars{A=v_A_23, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_19, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_27, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_19, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 201#[sumENTRY, L56, sumENTRY, L31-1]true [2022-09-29 15:03:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:09,733 INFO L85 PathProgramCache]: Analyzing trace with hash 55229652, now seen corresponding path program 1 times [2022-09-29 15:03:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:09,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93877835] [2022-09-29 15:03:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:09,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:09,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash 152, now seen corresponding path program 1 times [2022-09-29 15:03:09,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:09,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022442253] [2022-09-29 15:03:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:09,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,753 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:09,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1712119333, now seen corresponding path program 1 times [2022-09-29 15:03:09,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:09,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661623185] [2022-09-29 15:03:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:09,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,768 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:09,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:09,917 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:09,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:09,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:09,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:09,917 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:09,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:09,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:09,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:09,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:03:09,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:09,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:09,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,926 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 15:03:09,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:09,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:10,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:10,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,176 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 15:03:10,178 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 15:03:10,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,211 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:03:10,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,260 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:03:10,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,318 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:03:10,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,370 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:03:10,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,425 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:03:10,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,482 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-09-29 15:03:10,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,534 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-09-29 15:03:10,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,584 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-09-29 15:03:10,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,635 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-09-29 15:03:10,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,685 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-09-29 15:03:10,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,736 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-09-29 15:03:10,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,785 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,795 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:03:10,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-09-29 15:03:10,811 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:03:10,811 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:03:10,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,853 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-09-29 15:03:10,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:10,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:10,903 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-09-29 15:03:10,903 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-09-29 15:03:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,908 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:10,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:10,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-09-29 15:03:10,922 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:10,922 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:10,922 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork2_i, sumThread1of1ForFork2_hi) = -1*sumThread1of1ForFork2_i + 1*sumThread1of1ForFork2_hi Supporting invariants [] [2022-09-29 15:03:10,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-09-29 15:03:10,938 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:10,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:10,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:10,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:10,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:10,983 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:10,983 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 15:03:11,073 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 715 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:11,073 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:11,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:13,990 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:13,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:03:13,992 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 15:03:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2022-09-29 15:03:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 237 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:03:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 237 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:03:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 237 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:03:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:13,994 INFO L428 stractBuchiCegarLoop]: Abstraction has has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:13,994 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:03:13,994 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:14,827 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:15,886 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:15,909 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:16,967 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:16,990 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:18,031 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:18,051 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:19,088 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:19,764 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:21,988 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:22,011 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:24,205 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:24,360 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:26,579 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:26,598 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:28,777 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:28,848 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:31,057 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:31,079 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:33,425 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:34,150 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:38,636 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:38,973 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:41,141 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:41,164 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:43,351 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:43,513 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:47,877 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:48,191 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:50,351 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:50,374 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:52,576 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:52,603 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:03:56,976 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:57,000 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:01,417 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:01,458 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:05,851 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:05,871 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:10,326 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:10,354 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:14,737 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:14,759 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:19,103 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:19,531 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:21,680 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:21,699 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:23,859 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:24,250 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:27,899 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:27,920 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:31,227 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:31,245 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:34,852 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:34,869 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:38,253 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:38,275 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:42,542 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:43,741 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:47,916 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:47,935 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:04:52,162 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:52,184 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:00,562 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:00,961 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:05,136 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:05,530 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:09,279 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:09,300 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:13,097 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:13,578 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:17,909 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:18,205 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:22,609 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:22,636 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:27,021 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:27,323 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:31,889 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:31,914 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:36,467 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:36,597 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:41,152 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:41,176 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:45,671 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:45,700 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:05:54,774 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:55,133 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 78 places, 203400 transitions, 1849464 flow [2022-09-29 15:06:17,488 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:17,488 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:17,488 INFO L123 PetriNetUnfolderBase]: 1976/2357 cut-off events. [2022-09-29 15:06:17,488 INFO L124 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2022-09-29 15:06:17,489 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:17,489 INFO L733 eck$LassoCheckResult]: Stem: 65#[ULTIMATE.startENTRY]true [26] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 67#[L54]true [84] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 69#[sumENTRY, L54-1]true [87] L54-1-->sumENTRY: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 148#[sumENTRY, sumENTRY, L55]true [90] L55-->sumENTRY: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_ULTIMATE.start_k3_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] 199#[sumENTRY, sumENTRY, L56, sumENTRY]true [93] L56-->sumENTRY: Formula: (and (= v_N_3 v_sumThread1of1ForFork3_hi_6) (= (+ v_ULTIMATE.start_k3_5 1) v_sumThread1of1ForFork3_lo_4) (= v_sumThread1of1ForFork3_thidvar1_2 4) (= v_sumThread1of1ForFork3_thidvar2_2 4) (= v_sumThread1of1ForFork3_thidvar0_2 4) (= v_sumThread1of1ForFork3_thidvar3_2 4)) InVars {N=v_N_3, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5} OutVars{N=v_N_3, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_16, sumThread1of1ForFork3_thidvar0=v_sumThread1of1ForFork3_thidvar0_2, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_8, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_8, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5, sumThread1of1ForFork3_thidvar3=v_sumThread1of1ForFork3_thidvar3_2, sumThread1of1ForFork3_thidvar2=v_sumThread1of1ForFork3_thidvar2_2, sumThread1of1ForFork3_thidvar1=v_sumThread1of1ForFork3_thidvar1_2, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_4, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_thidvar0, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z, sumThread1of1ForFork3_thidvar3, sumThread1of1ForFork3_thidvar2, sumThread1of1ForFork3_thidvar1, sumThread1of1ForFork3_lo, sumThread1of1ForFork3_hi] 254#[sumENTRY, sumENTRY, sumENTRY, L57, sumENTRY]true [116] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork3_x_19) (= v_sumThread1of1ForFork3_i_31 v_sumThread1of1ForFork3_lo_7) (= 0 v_sumThread1of1ForFork3_z_21)) InVars {sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_7} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_31, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_19, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_21, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z] 256#[sumENTRY, sumENTRY, L31-1, sumENTRY, L57]true [2022-09-29 15:06:17,489 INFO L735 eck$LassoCheckResult]: Loop: 256#[sumENTRY, sumENTRY, L31-1, sumENTRY, L57]true [115] L31-1-->L31-1: Formula: (and (< v_sumThread1of1ForFork3_i_28 v_sumThread1of1ForFork3_hi_11) (= (let ((.cse0 (+ (select v_A_17 v_sumThread1of1ForFork3_i_27) v_sumThread1of1ForFork3_z_18))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork3_z_17) (= (+ (select v_A_17 v_sumThread1of1ForFork3_i_28) v_sumThread1of1ForFork3_x_16) v_sumThread1of1ForFork3_x_15) (= (+ 1 v_sumThread1of1ForFork3_i_28) v_sumThread1of1ForFork3_i_27)) InVars {A=v_A_17, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_28, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_16, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_18, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} OutVars{A=v_A_17, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_27, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_15, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_17, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z] 256#[sumENTRY, sumENTRY, L31-1, sumENTRY, L57]true [2022-09-29 15:06:17,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:17,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1712118677, now seen corresponding path program 1 times [2022-09-29 15:06:17,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:17,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511779763] [2022-09-29 15:06:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:17,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:17,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:17,505 INFO L85 PathProgramCache]: Analyzing trace with hash 146, now seen corresponding path program 1 times [2022-09-29 15:06:17,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:17,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272736169] [2022-09-29 15:06:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1536071550, now seen corresponding path program 1 times [2022-09-29 15:06:17,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:17,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722120089] [2022-09-29 15:06:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:17,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,523 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:17,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:17,742 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:17,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:17,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:17,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:17,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:17,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:17,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:17,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:17,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration4_Lasso [2022-09-29 15:06:17,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:17,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:17,744 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 15:06:17,749 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 15:06:17,751 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 15:06:17,753 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 15:06:17,801 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 15:06:17,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:17,805 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 15:06:17,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:17,810 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 15:06:17,812 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 15:06:17,814 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 15:06:17,816 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 15:06:17,819 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 15:06:17,821 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 15:06:17,823 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 15:06:17,824 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 15:06:17,826 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 15:06:17,828 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 15:06:17,830 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 15:06:17,833 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 15:06:17,834 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 15:06:18,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:18,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:18,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:18,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:18,050 INFO L229 MonitoredProcess]: Starting monitored process 29 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 15:06:18,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-09-29 15:06:18,056 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 15:06:18,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:18,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:18,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:18,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:18,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:18,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:18,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:18,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:18,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-09-29 15:06:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:18,101 INFO L229 MonitoredProcess]: Starting monitored process 30 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 15:06:18,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-09-29 15:06:18,104 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 15:06:18,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:18,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:18,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:18,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:18,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:18,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:18,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:18,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-09-29 15:06:18,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:18,138 INFO L229 MonitoredProcess]: Starting monitored process 31 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 15:06:18,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-09-29 15:06:18,140 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 15:06:18,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:18,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:18,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:18,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:18,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:18,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:18,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:18,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:18,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:18,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:18,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:18,165 INFO L229 MonitoredProcess]: Starting monitored process 32 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 15:06:18,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-09-29 15:06:18,168 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 15:06:18,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:18,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:18,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:18,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:18,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:18,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:18,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:18,215 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:18,216 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:18,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:18,223 INFO L229 MonitoredProcess]: Starting monitored process 33 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 15:06:18,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:18,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-09-29 15:06:18,249 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:18,250 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:18,250 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork3_i, sumThread1of1ForFork3_hi) = -1*sumThread1of1ForFork3_i + 1*sumThread1of1ForFork3_hi Supporting invariants [] [2022-09-29 15:06:18,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-09-29 15:06:18,266 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:18,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:18,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:18,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:18,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:18,299 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 15:06:18,299 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 15:06:18,299 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:18,394 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 712 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:18,394 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:22,840 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forcibly destroying the process [2022-09-29 15:06:22,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 Received shutdown request... [2022-09-29 15:07:11,791 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 15:07:12,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown