/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/min2-max2-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:05:50,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:05:50,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:05:50,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:05:50,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:05:50,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:05:50,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:05:50,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:05:50,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:05:50,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:05:50,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:05:50,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:05:50,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:05:50,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:05:50,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:05:50,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:05:50,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:05:50,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:05:50,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:05:50,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:05:50,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:05:50,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:05:50,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:05:50,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:05:50,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:05:50,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:05:50,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:05:50,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:05:50,933 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 15:05:50,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:05:50,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:05:50,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:05:50,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:05:50,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:05:50,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:05:50,964 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:05:50,964 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:05:50,965 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:05:50,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:05:50,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:05:50,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:05:50,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:05:50,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:05:50,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:05:50,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:05:50,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:05:50,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:05:50,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:05:50,968 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:05:50,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:05:51,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:05:51,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:05:51,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:05:51,180 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:05:51,181 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:05:51,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min2-max2-sample.bpl [2022-09-29 15:05:51,182 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min2-max2-sample.bpl' [2022-09-29 15:05:51,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:05:51,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:05:51,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:05:51,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:05:51,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:05:51,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,237 INFO L137 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:05:51,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:05:51,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:05:51,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:05:51,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:05:51,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:05:51,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:05:51,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:05:51,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:05:51,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/1) ... [2022-09-29 15:05:51,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:51,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:51,301 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 15:05:51,337 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 15:05:51,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-09-29 15:05:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-09-29 15:05:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-09-29 15:05:51,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:05:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:05:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:05:51,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-09-29 15:05:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-09-29 15:05:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-09-29 15:05:51,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-09-29 15:05:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-09-29 15:05:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-09-29 15:05:51,355 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 15:05:51,407 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:05:51,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:05:51,509 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:05:51,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:05:51,522 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-29 15:05:51,536 INFO L202 PluginConnector]: Adding new model min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:05:51 BoogieIcfgContainer [2022-09-29 15:05:51,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:05:51,539 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:05:51,539 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:05:51,543 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:05:51,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:05:51,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:05:51" (1/2) ... [2022-09-29 15:05:51,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6968af61 and model type min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:05:51, skipping insertion in model container [2022-09-29 15:05:51,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:05:51,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:05:51" (2/2) ... [2022-09-29 15:05:51,547 INFO L322 chiAutomizerObserver]: Analyzing ICFG min2-max2-sample.bpl [2022-09-29 15:05:51,671 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-09-29 15:05:51,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 49 transitions, 135 flow [2022-09-29 15:05:51,736 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:05:51,736 INFO L123 PetriNetUnfolderBase]: 5/39 cut-off events. [2022-09-29 15:05:51,736 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:05:51,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 39 events. 5/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 102 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:05:51,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 49 transitions, 135 flow [2022-09-29 15:05:51,746 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 39 transitions, 105 flow [2022-09-29 15:05:51,749 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:05:51,761 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 39 transitions, 105 flow [2022-09-29 15:05:51,763 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 39 transitions, 105 flow [2022-09-29 15:05:51,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 39 transitions, 105 flow [2022-09-29 15:05:51,777 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:05:51,778 INFO L123 PetriNetUnfolderBase]: 5/39 cut-off events. [2022-09-29 15:05:51,778 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:05:51,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 39 events. 5/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 99 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:05:51,782 INFO L116 LiptonReduction]: Number of co-enabled transitions 810 [2022-09-29 15:05:51,963 INFO L131 LiptonReduction]: Checked pairs total: 1249 [2022-09-29 15:05:51,963 INFO L133 LiptonReduction]: Total number of compositions: 5 [2022-09-29 15:05:51,978 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:05:51,978 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:05:51,978 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:05:51,978 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:05:51,978 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:05:51,978 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:05:51,978 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:05:51,979 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:05:51,979 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 45 places, 34 transitions, 95 flow [2022-09-29 15:05:51,984 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 45 places, 34 transitions, 95 flow [2022-09-29 15:05:51,986 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:51,987 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:05:51,987 INFO L123 PetriNetUnfolderBase]: 0/8 cut-off events. [2022-09-29 15:05:51,987 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:05:51,987 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:05:51,990 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:05:51,990 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 45 places, 34 transitions, 95 flow [2022-09-29 15:05:51,993 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 45 places, 34 transitions, 95 flow [2022-09-29 15:05:51,993 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:51,993 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:05:51,993 INFO L123 PetriNetUnfolderBase]: 0/8 cut-off events. [2022-09-29 15:05:51,994 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:05:51,994 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:05:51,998 INFO L733 eck$LassoCheckResult]: Stem: 59#[ULTIMATE.startENTRY]true [98] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_x=v_computeMinThread1of1ForFork0_x_2, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_x, computeMinThread1of1ForFork0_thidvar0] 61#[computeMinENTRY, L69]true [84] computeMinENTRY-->L33: Formula: (= v_array_min_6 0) InVars {} OutVars{array_min=v_array_min_6} AuxVars[] AssignedVars[array_min] 63#[L33, L69]true [85] L33-->L36-1: Formula: (= v_i1_7 0) InVars {} OutVars{i1=v_i1_7} AuxVars[] AssignedVars[i1] 65#[L36-1, L69]true [2022-09-29 15:05:51,999 INFO L735 eck$LassoCheckResult]: Loop: 65#[L36-1, L69]true [86] L36-1-->L36: Formula: (< v_i1_2 v_N_3) InVars {i1=v_i1_2, N=v_N_3} OutVars{i1=v_i1_2, N=v_N_3} AuxVars[] AssignedVars[] 68#[L69, L36]true [88] L36-->L36-1: Formula: (and (= (+ v_i1_9 1) v_i1_8) (= v_array_min_7 (let ((.cse0 (select v_A_5 v_i1_9))) (ite (< v_array_min_8 .cse0) v_array_min_8 .cse0)))) InVars {A=v_A_5, i1=v_i1_9, array_min=v_array_min_8} OutVars{A=v_A_5, i1=v_i1_8, array_min=v_array_min_7} AuxVars[] AssignedVars[array_min, i1] 65#[L36-1, L69]true [2022-09-29 15:05:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:52,004 INFO L85 PathProgramCache]: Analyzing trace with hash 126658, now seen corresponding path program 1 times [2022-09-29 15:05:52,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:52,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439142022] [2022-09-29 15:05:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:52,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:52,095 INFO L85 PathProgramCache]: Analyzing trace with hash 3715, now seen corresponding path program 1 times [2022-09-29 15:05:52,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:52,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778262176] [2022-09-29 15:05:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:52,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,118 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash 121721092, now seen corresponding path program 1 times [2022-09-29 15:05:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:52,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100949637] [2022-09-29 15:05:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,151 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:52,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:52,266 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:05:52,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:05:52,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:05:52,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:05:52,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:05:52,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:05:52,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:05:52,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: min2-max2-sample.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:05:52,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:05:52,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:05:52,291 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 15:05:52,299 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 15:05:52,301 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 15:05:52,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:05:52,438 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:05:52,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:52,447 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 15:05:52,464 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 15:05:52,465 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 15:05:52,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:52,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:52,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:52,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:52,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:52,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:52,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:52,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-09-29 15:05:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:52,512 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 15:05:52,513 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 15:05:52,515 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 15:05:52,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:52,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:52,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:52,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:52,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:52,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:52,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:52,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:52,559 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 15:05:52,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:52,561 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 15:05:52,562 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 15:05:52,563 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 15:05:52,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:52,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:52,569 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:05:52,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:52,589 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:05:52,589 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:05:52,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:52,650 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 15:05:52,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:52,652 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 15:05:52,660 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 15:05:52,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:52,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:52,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:52,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:52,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:52,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:52,676 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 15:05:52,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:05:52,709 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:05:52,710 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:05:52,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:52,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:52,716 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 15:05:52,719 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 15:05:52,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:05:52,744 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:05:52,745 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:05:52,745 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i1) = 1*N - 1*i1 Supporting invariants [] [2022-09-29 15:05:52,769 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 15:05:52,772 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:05:52,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:52,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:05:52,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:52,823 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:05:52,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:52,844 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 15:05:52,890 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:05:52,892 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:05:53,118 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 9 states and 678 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:05:53,119 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:05:53,127 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:05:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:05:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:05:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 264 transitions. [2022-09-29 15:05:53,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:05:53,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:53,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:05:53,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:53,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 3 letters. Loop has 4 letters. [2022-09-29 15:05:53,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:53,139 INFO L428 stractBuchiCegarLoop]: Abstraction has has 63 places, 844 transitions, 4078 flow [2022-09-29 15:05:53,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:05:53,140 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 63 places, 844 transitions, 4078 flow [2022-09-29 15:05:53,152 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 844 transitions, 4078 flow [2022-09-29 15:05:53,154 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:53,189 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 844 transitions, 4078 flow [2022-09-29 15:05:53,193 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:53,193 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:05:53,193 INFO L123 PetriNetUnfolderBase]: 249/340 cut-off events. [2022-09-29 15:05:53,194 INFO L124 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2022-09-29 15:05:53,194 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:05:53,194 INFO L733 eck$LassoCheckResult]: Stem: 59#[ULTIMATE.startENTRY]true [98] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_x=v_computeMinThread1of1ForFork0_x_2, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_x, computeMinThread1of1ForFork0_thidvar0] 61#[computeMinENTRY, L69]true [101] L69-->computeMinENTRY: Formula: (and (= v_computeMinThread1of1ForFork1_thidvar0_2 2) (= v_computeMinThread1of1ForFork1_thidvar1_2 2)) InVars {} OutVars{computeMinThread1of1ForFork1_x=v_computeMinThread1of1ForFork1_x_2, computeMinThread1of1ForFork1_thidvar0=v_computeMinThread1of1ForFork1_thidvar0_2, computeMinThread1of1ForFork1_thidvar1=v_computeMinThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork1_x, computeMinThread1of1ForFork1_thidvar0, computeMinThread1of1ForFork1_thidvar1] 129#[computeMinENTRY, computeMinENTRY, L70]true [90] computeMinENTRY-->L33: Formula: (= v_array_min_6 0) InVars {} OutVars{array_min=v_array_min_6} AuxVars[] AssignedVars[array_min] 131#[L33, computeMinENTRY, L70]true [91] L33-->L36-1: Formula: (= v_i1_7 0) InVars {} OutVars{i1=v_i1_7} AuxVars[] AssignedVars[i1] 133#[L36-1, computeMinENTRY, L70]true [2022-09-29 15:05:53,194 INFO L735 eck$LassoCheckResult]: Loop: 133#[L36-1, computeMinENTRY, L70]true [92] L36-1-->L36: Formula: (< v_i1_2 v_N_3) InVars {i1=v_i1_2, N=v_N_3} OutVars{i1=v_i1_2, N=v_N_3} AuxVars[] AssignedVars[] 136#[L36, computeMinENTRY, L70]true [94] L36-->L36-1: Formula: (and (= (+ v_i1_9 1) v_i1_8) (= v_array_min_7 (let ((.cse0 (select v_A_5 v_i1_9))) (ite (< v_array_min_8 .cse0) v_array_min_8 .cse0)))) InVars {A=v_A_5, i1=v_i1_9, array_min=v_array_min_8} OutVars{A=v_A_5, i1=v_i1_8, array_min=v_array_min_7} AuxVars[] AssignedVars[array_min, i1] 133#[L36-1, computeMinENTRY, L70]true [2022-09-29 15:05:53,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash 3942981, now seen corresponding path program 1 times [2022-09-29 15:05:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:53,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049705966] [2022-09-29 15:05:53,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:53,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,207 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:53,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash 3907, now seen corresponding path program 1 times [2022-09-29 15:05:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:53,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518333905] [2022-09-29 15:05:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:53,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash -505759609, now seen corresponding path program 1 times [2022-09-29 15:05:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:53,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039404640] [2022-09-29 15:05:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,255 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:53,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:53,329 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:05:53,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:05:53,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:05:53,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:05:53,330 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:05:53,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:05:53,330 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:05:53,330 INFO L133 ssoRankerPreferences]: Filename of dumped script: min2-max2-sample.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:05:53,330 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:05:53,330 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:05:53,332 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 15:05:53,334 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 15:05:53,336 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 15:05:53,338 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 15:05:53,340 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 15:05:53,380 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 15:05:53,465 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:05:53,465 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:05:53,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,467 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 15:05:53,476 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 15:05:53,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:53,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:53,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:53,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:53,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:53,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:53,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:53,489 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 15:05:53,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:53,519 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 15:05:53,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,520 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 15:05:53,521 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 15:05:53,522 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 15:05:53,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:53,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:53,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:53,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:53,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:53,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:53,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:53,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:53,546 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 15:05:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,547 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 15:05:53,548 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 15:05:53,549 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 15:05:53,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:53,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:53,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:53,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:53,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:53,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:53,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:53,589 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 15:05:53,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,591 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 15:05:53,592 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 15:05:53,593 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 15:05:53,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:53,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:53,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:53,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:53,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:53,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:53,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:53,646 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 15:05:53,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,648 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 15:05:53,651 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 15:05:53,652 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 15:05:53,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:53,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:53,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:53,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:53,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:53,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:53,683 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:05:53,694 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:05:53,695 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:05:53,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:53,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:53,740 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 15:05:53,741 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 15:05:53,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:05:53,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:05:53,748 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:05:53,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i1) = 1*N - 1*i1 Supporting invariants [] [2022-09-29 15:05:53,763 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 15:05:53,764 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:05:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:53,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:05:53,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:53,824 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:05:53,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:53,835 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 15:05:53,836 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:05:53,836 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:05:53,991 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 678 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:05:53,992 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:05:54,194 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:05:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:05:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:05:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 264 transitions. [2022-09-29 15:05:54,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:05:54,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:54,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 6 letters. Loop has 2 letters. [2022-09-29 15:05:54,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:54,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 4 letters. Loop has 4 letters. [2022-09-29 15:05:54,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:05:54,205 INFO L428 stractBuchiCegarLoop]: Abstraction has has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,205 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:05:54,205 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,216 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 15:05:54,255 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 15:05:54,359 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,401 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:54,572 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,630 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:54,653 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,718 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:54,779 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:54,838 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:54,928 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 81 places, 21248 transitions, 145740 flow [2022-09-29 15:05:55,118 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:55,118 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:05:55,118 INFO L123 PetriNetUnfolderBase]: 1213/1525 cut-off events. [2022-09-29 15:05:55,118 INFO L124 PetriNetUnfolderBase]: For 199/199 co-relation queries the response was YES. [2022-09-29 15:05:55,119 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:05:55,119 INFO L733 eck$LassoCheckResult]: Stem: 59#[ULTIMATE.startENTRY]true [98] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_x=v_computeMinThread1of1ForFork0_x_2, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_x, computeMinThread1of1ForFork0_thidvar0] 61#[computeMinENTRY, L69]true [101] L69-->computeMinENTRY: Formula: (and (= v_computeMinThread1of1ForFork1_thidvar0_2 2) (= v_computeMinThread1of1ForFork1_thidvar1_2 2)) InVars {} OutVars{computeMinThread1of1ForFork1_x=v_computeMinThread1of1ForFork1_x_2, computeMinThread1of1ForFork1_thidvar0=v_computeMinThread1of1ForFork1_thidvar0_2, computeMinThread1of1ForFork1_thidvar1=v_computeMinThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork1_x, computeMinThread1of1ForFork1_thidvar0, computeMinThread1of1ForFork1_thidvar1] 129#[computeMinENTRY, computeMinENTRY, L70]true [104] L70-->computeMaxENTRY: Formula: (and (= v_computeMaxThread1of1ForFork2_thidvar2_2 3) (= v_computeMaxThread1of1ForFork2_thidvar0_2 3) (= v_computeMaxThread1of1ForFork2_thidvar1_2 3)) InVars {} OutVars{computeMaxThread1of1ForFork2_y=v_computeMaxThread1of1ForFork2_y_2, computeMaxThread1of1ForFork2_thidvar2=v_computeMaxThread1of1ForFork2_thidvar2_2, computeMaxThread1of1ForFork2_thidvar1=v_computeMaxThread1of1ForFork2_thidvar1_2, computeMaxThread1of1ForFork2_thidvar0=v_computeMaxThread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMaxThread1of1ForFork2_y, computeMaxThread1of1ForFork2_thidvar2, computeMaxThread1of1ForFork2_thidvar1, computeMaxThread1of1ForFork2_thidvar0] 194#[computeMinENTRY, computeMaxENTRY, L71, computeMinENTRY]true [75] computeMaxENTRY-->L47: Formula: (= v_array_max_1 0) InVars {} OutVars{array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 196#[computeMinENTRY, L71, computeMinENTRY, L47]true [76] L47-->L50-1: Formula: (= v_i2_1 0) InVars {} OutVars{i2=v_i2_1} AuxVars[] AssignedVars[i2] 198#[computeMinENTRY, L71, computeMinENTRY, L50-1]true [2022-09-29 15:05:55,119 INFO L735 eck$LassoCheckResult]: Loop: 198#[computeMinENTRY, L71, computeMinENTRY, L50-1]true [77] L50-1-->L50: Formula: (< v_i2_2 v_N_1) InVars {i2=v_i2_2, N=v_N_1} OutVars{i2=v_i2_2, N=v_N_1} AuxVars[] AssignedVars[] 201#[computeMinENTRY, L71, computeMinENTRY, L50]true [79] L50-->L50-1: Formula: (and (= v_i2_8 (+ v_i2_9 1)) (= v_array_max_7 (let ((.cse0 (select v_A_3 v_i2_9))) (ite (< v_array_max_8 .cse0) .cse0 v_array_max_8)))) InVars {A=v_A_3, i2=v_i2_9, array_max=v_array_max_8} OutVars{A=v_A_3, i2=v_i2_8, array_max=v_array_max_7} AuxVars[] AssignedVars[array_max, i2] 198#[computeMinENTRY, L71, computeMinENTRY, L50-1]true [2022-09-29 15:05:55,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash 122245445, now seen corresponding path program 1 times [2022-09-29 15:05:55,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:55,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057201472] [2022-09-29 15:05:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,132 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:55,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash 3427, now seen corresponding path program 1 times [2022-09-29 15:05:55,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:55,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712589533] [2022-09-29 15:05:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,142 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:55,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:55,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1513758119, now seen corresponding path program 1 times [2022-09-29 15:05:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:55,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326794003] [2022-09-29 15:05:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,153 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:55,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:55,246 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:05:55,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:05:55,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:05:55,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:05:55,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:05:55,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:05:55,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:05:55,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: min2-max2-sample.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:05:55,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:05:55,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:05:55,250 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 15:05:55,253 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 15:05:55,255 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 15:05:55,258 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 15:05:55,260 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 15:05:55,262 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 15:05:55,264 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 15:05:55,267 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 15:05:55,269 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 15:05:55,297 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 15:05:55,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:05:55,407 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:05:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,412 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 15:05:55,413 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 15:05:55,415 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 15:05:55,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:55,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:55,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:55,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,461 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 15:05:55,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,463 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 15:05:55,467 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 15:05:55,468 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 15:05:55,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:55,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:55,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:55,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,510 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 15:05:55,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,512 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 15:05:55,518 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 15:05:55,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,530 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 15:05:55,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,563 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 15:05:55,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,565 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 15:05:55,575 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 15:05:55,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,591 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 15:05:55,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,625 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 15:05:55,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,627 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 15:05:55,627 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 15:05:55,629 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 15:05:55,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,676 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 15:05:55,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,678 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 15:05:55,680 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 15:05:55,681 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 15:05:55,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,728 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 15:05:55,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,730 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 15:05:55,738 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 15:05:55,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,753 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 15:05:55,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,795 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 15:05:55,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,798 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 15:05:55,803 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 15:05:55,804 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 15:05:55,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:55,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:55,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:55,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:55,836 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 15:05:55,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,838 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 15:05:55,838 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 15:05:55,840 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 15:05:55,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:55,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:55,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:55,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:55,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:55,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:55,872 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:05:55,880 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:05:55,880 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:05:55,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:55,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:55,884 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 15:05:55,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:05:55,903 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 15:05:55,913 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:05:55,913 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:05:55,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i2) = 1*N - 1*i2 Supporting invariants [] [2022-09-29 15:05:55,938 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 15:05:55,939 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:05:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:55,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:05:55,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:55,966 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:05:55,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:55,981 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 15:05:55,981 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:05:55,981 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:05:56,118 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 678 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:05:56,119 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:05:56,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-09-29 15:06:05,626 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:06:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 264 transitions. [2022-09-29 15:06:05,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:06:05,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:05,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 7 letters. Loop has 2 letters. [2022-09-29 15:06:05,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:05,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 264 transitions. Stem has 5 letters. Loop has 4 letters. [2022-09-29 15:06:05,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:05,644 INFO L428 stractBuchiCegarLoop]: Abstraction has has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:06:05,644 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:06:05,644 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:06:15,705 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:06:22,905 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:23,423 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:06:30,554 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:37,475 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:06:49,885 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:50,410 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:07:02,181 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:06,147 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:07:17,653 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:21,671 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:07:39,709 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:40,317 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:07:59,279 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:00,303 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:08:18,975 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:21,404 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:08:39,694 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:08:43,628 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:09:02,113 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:09:03,566 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 99 places, 525408 transitions, 4677816 flow [2022-09-29 15:10:12,184 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:10:12,184 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:10:12,184 INFO L123 PetriNetUnfolderBase]: 5414/6267 cut-off events. [2022-09-29 15:10:12,184 INFO L124 PetriNetUnfolderBase]: For 524/524 co-relation queries the response was YES. [2022-09-29 15:10:12,184 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:10:12,185 INFO L733 eck$LassoCheckResult]: Stem: 59#[ULTIMATE.startENTRY]true [98] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_x=v_computeMinThread1of1ForFork0_x_2, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_x, computeMinThread1of1ForFork0_thidvar0] 61#[computeMinENTRY, L69]true [101] L69-->computeMinENTRY: Formula: (and (= v_computeMinThread1of1ForFork1_thidvar0_2 2) (= v_computeMinThread1of1ForFork1_thidvar1_2 2)) InVars {} OutVars{computeMinThread1of1ForFork1_x=v_computeMinThread1of1ForFork1_x_2, computeMinThread1of1ForFork1_thidvar0=v_computeMinThread1of1ForFork1_thidvar0_2, computeMinThread1of1ForFork1_thidvar1=v_computeMinThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork1_x, computeMinThread1of1ForFork1_thidvar0, computeMinThread1of1ForFork1_thidvar1] 129#[computeMinENTRY, computeMinENTRY, L70]true [104] L70-->computeMaxENTRY: Formula: (and (= v_computeMaxThread1of1ForFork2_thidvar2_2 3) (= v_computeMaxThread1of1ForFork2_thidvar0_2 3) (= v_computeMaxThread1of1ForFork2_thidvar1_2 3)) InVars {} OutVars{computeMaxThread1of1ForFork2_y=v_computeMaxThread1of1ForFork2_y_2, computeMaxThread1of1ForFork2_thidvar2=v_computeMaxThread1of1ForFork2_thidvar2_2, computeMaxThread1of1ForFork2_thidvar1=v_computeMaxThread1of1ForFork2_thidvar1_2, computeMaxThread1of1ForFork2_thidvar0=v_computeMaxThread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMaxThread1of1ForFork2_y, computeMaxThread1of1ForFork2_thidvar2, computeMaxThread1of1ForFork2_thidvar1, computeMaxThread1of1ForFork2_thidvar0] 194#[computeMinENTRY, computeMaxENTRY, L71, computeMinENTRY]true [107] L71-->computeMaxENTRY: Formula: (and (= v_computeMaxThread1of1ForFork3_thidvar0_2 4) (= v_computeMaxThread1of1ForFork3_thidvar3_2 4) (= v_computeMaxThread1of1ForFork3_thidvar2_2 4) (= v_computeMaxThread1of1ForFork3_thidvar1_2 4)) InVars {} OutVars{computeMaxThread1of1ForFork3_thidvar3=v_computeMaxThread1of1ForFork3_thidvar3_2, computeMaxThread1of1ForFork3_y=v_computeMaxThread1of1ForFork3_y_2, computeMaxThread1of1ForFork3_thidvar1=v_computeMaxThread1of1ForFork3_thidvar1_2, computeMaxThread1of1ForFork3_thidvar2=v_computeMaxThread1of1ForFork3_thidvar2_2, computeMaxThread1of1ForFork3_thidvar0=v_computeMaxThread1of1ForFork3_thidvar0_2} AuxVars[] AssignedVars[computeMaxThread1of1ForFork3_thidvar3, computeMaxThread1of1ForFork3_y, computeMaxThread1of1ForFork3_thidvar1, computeMaxThread1of1ForFork3_thidvar2, computeMaxThread1of1ForFork3_thidvar0] 263#[computeMaxENTRY, computeMinENTRY, computeMaxENTRY, computeMinENTRY, L72]true [110] L72-->L60: Formula: (and (= 5 v_sampleThread1of1ForFork4_thidvar0_2) (= 5 v_sampleThread1of1ForFork4_thidvar1_2) (= 5 v_sampleThread1of1ForFork4_thidvar2_2) (= 5 v_sampleThread1of1ForFork4_thidvar4_2) (= 5 v_sampleThread1of1ForFork4_thidvar3_2)) InVars {} OutVars{sampleThread1of1ForFork4_thidvar4=v_sampleThread1of1ForFork4_thidvar4_2, sampleThread1of1ForFork4_thidvar3=v_sampleThread1of1ForFork4_thidvar3_2, sampleThread1of1ForFork4_thidvar2=v_sampleThread1of1ForFork4_thidvar2_2, sampleThread1of1ForFork4_thidvar1=v_sampleThread1of1ForFork4_thidvar1_2, sampleThread1of1ForFork4_thidvar0=v_sampleThread1of1ForFork4_thidvar0_2} AuxVars[] AssignedVars[sampleThread1of1ForFork4_thidvar4, sampleThread1of1ForFork4_thidvar3, sampleThread1of1ForFork4_thidvar2, sampleThread1of1ForFork4_thidvar1, sampleThread1of1ForFork4_thidvar0] 265#[computeMaxENTRY, computeMinENTRY, computeMaxENTRY, L73, computeMinENTRY, L60]true [2022-09-29 15:10:12,185 INFO L735 eck$LassoCheckResult]: Loop: 265#[computeMaxENTRY, computeMinENTRY, computeMaxENTRY, L73, computeMinENTRY, L60]true [81] L60-->L62: Formula: (= v_min_samples_1 (store v_min_samples_2 (+ (- 1) v_i1_1) v_array_min_3)) InVars {min_samples=v_min_samples_2, i1=v_i1_1, array_min=v_array_min_3} OutVars{min_samples=v_min_samples_1, i1=v_i1_1, array_min=v_array_min_3} AuxVars[] AssignedVars[min_samples] 268#[L62, computeMaxENTRY, computeMinENTRY, computeMaxENTRY, L73, computeMinENTRY]true [83] L62-->L60: Formula: (= (store v_max_samples_2 (+ (- 1) v_i2_7) v_array_max_6) v_max_samples_1) InVars {i2=v_i2_7, array_max=v_array_max_6, max_samples=v_max_samples_2} OutVars{i2=v_i2_7, array_max=v_array_max_6, max_samples=v_max_samples_1} AuxVars[] AssignedVars[max_samples] 265#[computeMaxENTRY, computeMinENTRY, computeMaxENTRY, L73, computeMinENTRY, L60]true [2022-09-29 15:10:12,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:10:12,185 INFO L85 PathProgramCache]: Analyzing trace with hash 122246471, now seen corresponding path program 1 times [2022-09-29 15:10:12,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:10:12,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809846453] [2022-09-29 15:10:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:10:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:10:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,190 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:10:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:10:12,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:10:12,195 INFO L85 PathProgramCache]: Analyzing trace with hash 3555, now seen corresponding path program 1 times [2022-09-29 15:10:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:10:12,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972700071] [2022-09-29 15:10:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:10:12,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:10:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:10:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:10:12,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:10:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1514744233, now seen corresponding path program 1 times [2022-09-29 15:10:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:10:12,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777091217] [2022-09-29 15:10:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:10:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:10:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,210 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:10:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:10:12,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:10:12,339 INFO L202 PluginConnector]: Adding new model min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:10:12 BoogieIcfgContainer [2022-09-29 15:10:12,340 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:10:12,340 INFO L158 Benchmark]: Toolchain (without parser) took 261137.46ms. Allocated memory was 182.5MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 135.5MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-09-29 15:10:12,341 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:10:12,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:10:12,341 INFO L158 Benchmark]: Boogie Preprocessor took 24.01ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:10:12,342 INFO L158 Benchmark]: RCFGBuilder took 269.69ms. Allocated memory is still 182.5MB. Free memory was 132.7MB in the beginning and 154.6MB in the end (delta: -21.9MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. [2022-09-29 15:10:12,342 INFO L158 Benchmark]: BuchiAutomizer took 260800.69ms. Allocated memory was 182.5MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 154.5MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-09-29 15:10:12,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.01ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.69ms. Allocated memory is still 182.5MB. Free memory was 132.7MB in the beginning and 154.6MB in the end (delta: -21.9MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 260800.69ms. Allocated memory was 182.5MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 154.5MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 5 locations. The remainder module has 4677816 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 260.6s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.3s. Construction of modules took 0.2s. Büchi inclusion checks took 10.2s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 440 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 437 mSDsluCounter, 495 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 270 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf100 lsp97 ukn67 mio100 lsp61 div100 bol100 ite100 ukn100 eq163 hnf100 smp100 dnf135 smp69 tf100 neg96 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 60]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {array_max=7, array_min=6, i1=0, i2=23379, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 60]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] FORK 0 fork 1 computeMin(); [L70] FORK 0 fork 2, 2 computeMin(); [L71] FORK 0 fork 3, 3, 3 computeMax(); [L72] FORK 0 fork 4, 4, 4, 4 computeMax(); [L73] FORK 0 fork 5, 5, 5, 5, 5 sample(); Loop: [L61] min_samples[i1 - 1] := array_min; [L62] max_samples[i2 - 1] := array_max; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 50 PlacesBefore, 45 PlacesAfterwards, 39 TransitionsBefore, 34 TransitionsAfterwards, 810 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 1249 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 523, positive: 479, positive conditional: 0, positive unconditional: 479, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 523, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 370, unknown conditional: 0, unknown unconditional: 370] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 181, Positive conditional cache size: 0, Positive unconditional cache size: 181, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 RESULT: Ultimate proved your program to be incorrect! [2022-09-29 15:10:12,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...