/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/sum-print2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:06:40,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:06:40,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:06:40,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:06:40,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:06:40,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:06:40,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:06:40,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:06:40,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:06:40,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:06:40,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:06:40,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:06:40,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:06:40,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:06:40,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:06:40,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:06:40,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:06:40,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:06:40,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:06:40,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:06:40,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:06:40,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:06:40,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:06:40,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:06:40,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:06:40,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:06:40,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:06:40,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:06:40,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:06:40,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:06:40,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:06:40,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:06:40,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:06:40,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:06:40,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:06:40,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:06:40,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 15:06:41,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:06:41,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:06:41,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:06:41,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:06:41,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:06:41,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:06:41,014 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:06:41,014 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:06:41,014 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:06:41,014 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:06:41,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:06:41,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:06:41,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:06:41,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:06:41,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:06:41,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:06:41,018 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:06:41,018 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:06:41,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:06:41,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:06:41,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:06:41,225 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:06:41,225 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:06:41,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2022-09-29 15:06:41,226 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2022-09-29 15:06:41,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:06:41,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:06:41,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:41,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:06:41,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:06:41,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,269 INFO L137 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:06:41,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:41,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:06:41,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:06:41,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:06:41,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:06:41,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:06:41,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:06:41,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:06:41,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/1) ... [2022-09-29 15:06:41,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:41,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:41,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:41,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-09-29 15:06:41,340 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2022-09-29 15:06:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2022-09-29 15:06:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2022-09-29 15:06:41,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:06:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:06:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:06:41,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2022-09-29 15:06:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2022-09-29 15:06:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2022-09-29 15:06:41,341 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2022-09-29 15:06:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2022-09-29 15:06:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2022-09-29 15:06:41,342 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 15:06:41,375 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:06:41,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:06:41,491 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:06:41,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:06:41,518 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-29 15:06:41,519 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: T2EXIT is neither atomic block end nor error location. [2022-09-29 15:06:41,525 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: T3EXIT is neither atomic block end nor error location. [2022-09-29 15:06:41,527 INFO L202 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:41 BoogieIcfgContainer [2022-09-29 15:06:41,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:06:41,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:06:41,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:06:41,530 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:06:41,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:41,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:41" (1/2) ... [2022-09-29 15:06:41,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cf7c10f and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:06:41, skipping insertion in model container [2022-09-29 15:06:41,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:41,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:41" (2/2) ... [2022-09-29 15:06:41,532 INFO L322 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2022-09-29 15:06:41,564 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:06:41,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 88 flow [2022-09-29 15:06:41,596 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:41,596 INFO L123 PetriNetUnfolderBase]: 4/26 cut-off events. [2022-09-29 15:06:41,596 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:06:41,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2022-09-29 15:06:41,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 88 flow [2022-09-29 15:06:41,602 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2022-09-29 15:06:41,604 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:06:41,612 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 26 transitions, 70 flow [2022-09-29 15:06:41,614 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 26 transitions, 70 flow [2022-09-29 15:06:41,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 26 transitions, 70 flow [2022-09-29 15:06:41,624 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:41,624 INFO L123 PetriNetUnfolderBase]: 4/26 cut-off events. [2022-09-29 15:06:41,624 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:06:41,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2022-09-29 15:06:41,626 INFO L116 LiptonReduction]: Number of co-enabled transitions 144 [2022-09-29 15:06:41,866 INFO L131 LiptonReduction]: Checked pairs total: 174 [2022-09-29 15:06:41,866 INFO L133 LiptonReduction]: Total number of compositions: 12 [2022-09-29 15:06:41,887 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:06:41,887 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:06:41,887 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:06:41,887 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:06:41,888 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:06:41,888 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:06:41,888 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:06:41,888 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:06:41,890 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 23 places, 16 transitions, 50 flow [2022-09-29 15:06:41,895 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 23 places, 16 transitions, 50 flow [2022-09-29 15:06:41,896 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:41,896 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:41,896 INFO L123 PetriNetUnfolderBase]: 0/2 cut-off events. [2022-09-29 15:06:41,896 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:41,896 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:41,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:06:41,898 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 23 places, 16 transitions, 50 flow [2022-09-29 15:06:41,899 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 23 places, 16 transitions, 50 flow [2022-09-29 15:06:41,899 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:41,899 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:41,899 INFO L123 PetriNetUnfolderBase]: 0/2 cut-off events. [2022-09-29 15:06:41,899 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:41,899 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:41,902 INFO L733 eck$LassoCheckResult]: Stem: 39#[ULTIMATE.startENTRY]true [107] ULTIMATE.startENTRY-->L76: Formula: (and (= v_i_32 0) (= v_y_28 0) (= v_x_26 0)) InVars {} OutVars{i=v_i_32, y=v_y_28, x=v_x_26} AuxVars[] AssignedVars[i, y, x] 41#[L76]true [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] 43#[L25, L76-1]true [2022-09-29 15:06:41,902 INFO L735 eck$LassoCheckResult]: Loop: 43#[L25, L76-1]true [85] L25-->L25: Formula: (and (= (+ v_x_17 (select v_A_9 v_i_21)) v_x_16) (= v_i_20 (+ v_i_21 1)) (< v_i_21 v_N_9)) InVars {A=v_A_9, i=v_i_21, x=v_x_17, N=v_N_9} OutVars{A=v_A_9, i=v_i_20, x=v_x_16, N=v_N_9} AuxVars[] AssignedVars[i, x] 43#[L25, L76-1]true [2022-09-29 15:06:41,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash 4368, now seen corresponding path program 1 times [2022-09-29 15:06:41,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:41,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730833709] [2022-09-29 15:06:41,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:41,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:41,957 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:41,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2022-09-29 15:06:41,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:41,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034984152] [2022-09-29 15:06:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:41,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:41,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:41,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash 135493, now seen corresponding path program 1 times [2022-09-29 15:06:41,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:41,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577767829] [2022-09-29 15:06:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,000 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:42,061 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:42,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:42,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:42,062 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:42,062 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:42,062 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:42,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:42,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:06:42,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:42,063 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:42,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,190 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:42,193 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:42,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-09-29 15:06:42,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:42,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:42,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:42,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:42,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:42,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:42,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:42,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:42,252 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 15:06:42,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-09-29 15:06:42,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:42,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:42,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:42,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:42,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:42,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:42,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:42,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:42,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:42,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-09-29 15:06:42,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:42,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:42,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:42,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:42,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:42,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:42,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:42,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:42,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:42,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-09-29 15:06:42,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:42,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:42,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:42,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:42,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:42,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:42,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:42,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:42,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:42,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:06:42,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:42,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:42,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:42,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:42,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:42,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:42,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:42,423 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:42,431 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:42,431 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:06:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:42,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:42,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-09-29 15:06:42,437 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:42,458 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:42,458 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:42,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2022-09-29 15:06:42,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:42,478 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:42,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:42,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:42,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:42,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:06:42,551 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:06:42,553 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 15:06:42,674 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 379 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:42,676 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:42,683 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:06:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 15:06:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2022-09-29 15:06:42,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 126 transitions. Stem has 2 letters. Loop has 1 letters. [2022-09-29 15:06:42,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:42,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 126 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:06:42,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:42,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 126 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 15:06:42,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:42,693 INFO L428 stractBuchiCegarLoop]: Abstraction has has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:06:42,693 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,694 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,695 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:42,697 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,699 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:42,699 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,700 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:42,703 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 35 places, 266 transitions, 1376 flow [2022-09-29 15:06:42,710 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:42,710 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:42,710 INFO L123 PetriNetUnfolderBase]: 31/49 cut-off events. [2022-09-29 15:06:42,710 INFO L124 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2022-09-29 15:06:42,710 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:42,710 INFO L733 eck$LassoCheckResult]: Stem: 39#[ULTIMATE.startENTRY]true [107] ULTIMATE.startENTRY-->L76: Formula: (and (= v_i_32 0) (= v_y_28 0) (= v_x_26 0)) InVars {} OutVars{i=v_i_32, y=v_y_28, x=v_x_26} AuxVars[] AssignedVars[i, y, x] 41#[L76]true [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] 43#[L25, L76-1]true [93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0] 90#[L25, L38, L77]true [96] L77-->T4ENTRY: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0] 92#[L78, T4ENTRY, L25, L38]true [74] T4ENTRY-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k] 94#[L54-2, L78, L25, L38]true [2022-09-29 15:06:42,710 INFO L735 eck$LassoCheckResult]: Loop: 94#[L54-2, L78, L25, L38]true [111] L54-2-->L54-2: Formula: (let ((.cse0 (select v_A_In_1 v_k_In_1))) (or (and (= v_k_Out_2 (+ 2 v_k_In_1)) (< v_k_Out_2 (+ v_N_In_1 1)) (= v_y_Out_2 (+ .cse0 (select v_A_In_1 (+ (- 1) v_k_Out_2)) v_y_In_1))) (and (not (< v_k_Out_2 v_N_In_1)) (= (+ .cse0 v_y_In_1) v_y_Out_2) (< v_k_In_1 v_N_In_1) (= v_k_Out_2 (+ v_k_In_1 1))))) InVars {A=v_A_In_1, y=v_y_In_1, N=v_N_In_1, k=v_k_In_1} OutVars{A=v_A_In_1, y=v_y_Out_2, N=v_N_In_1, k=v_k_Out_2} AuxVars[] AssignedVars[k, y] 94#[L54-2, L78, L25, L38]true [2022-09-29 15:06:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash 130219511, now seen corresponding path program 1 times [2022-09-29 15:06:42,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:42,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585070892] [2022-09-29 15:06:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:42,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:42,720 INFO L85 PathProgramCache]: Analyzing trace with hash 142, now seen corresponding path program 1 times [2022-09-29 15:06:42,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:42,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108839966] [2022-09-29 15:06:42,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,725 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:42,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:42,729 INFO L85 PathProgramCache]: Analyzing trace with hash -258162344, now seen corresponding path program 1 times [2022-09-29 15:06:42,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:42,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295511158] [2022-09-29 15:06:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,736 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:42,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:42,820 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:42,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:42,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:42,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:42,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:42,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:42,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:42,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:42,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:06:42,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:42,825 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:42,827 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:42,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:06:43,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:43,028 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:43,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-09-29 15:06:43,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:43,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:43,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:43,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:43,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-09-29 15:06:43,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:43,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:43,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:43,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:43,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,127 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:06:43,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:43,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:43,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:43,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:43,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,176 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:06:43,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:43,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:43,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:43,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:43,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:06:43,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:43,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:43,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:43,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:43,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,268 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:06:43,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:06:43,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:43,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:43,277 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:06:43,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:43,285 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:06:43,285 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:06:43,307 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:43,338 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:06:43,338 INFO L444 ModelExtractionUtils]: 21 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:06:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:43,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:43,376 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:06:43,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:06:43,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:43,393 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-09-29 15:06:43,393 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:43,393 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, k) = 1*N - 1*k Supporting invariants [] [2022-09-29 15:06:43,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-09-29 15:06:43,416 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:06:43,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:43,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:43,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:43,449 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-29 15:06:43,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:06:43,450 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:06:43,451 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:43,516 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 376 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:43,516 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:43,537 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:06:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 130 transitions. [2022-09-29 15:06:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 130 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:06:43,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 130 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:06:43,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 130 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:06:43,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:43,540 INFO L428 stractBuchiCegarLoop]: Abstraction has has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,540 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:06:43,540 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,546 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,549 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,563 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,567 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,582 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,591 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,591 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,599 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,600 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,609 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,610 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,617 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,650 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,659 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,661 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,672 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,673 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,681 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,682 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,689 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,690 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,697 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,699 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,705 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,710 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,716 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,718 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,724 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,731 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,738 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,755 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,766 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,767 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,777 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,778 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,785 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,785 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,791 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,792 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,798 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,799 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,805 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,805 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,811 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,813 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,823 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,825 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,834 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,835 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,844 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,845 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,854 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,872 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,892 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,893 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:43,906 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,907 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,917 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,918 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,922 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 15:06:43,928 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,929 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,935 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,935 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,942 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,943 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,949 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,950 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,962 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,965 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,978 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,980 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,988 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,988 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:43,995 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:43,996 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,004 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,005 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,017 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,018 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,031 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,037 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,046 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,047 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,056 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,057 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,075 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,078 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,087 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,088 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,096 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,097 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,110 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,110 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,123 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,123 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,136 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,140 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,165 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,167 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,181 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,181 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 47 places, 4500 transitions, 32616 flow [2022-09-29 15:06:44,195 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:44,202 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:44,202 INFO L123 PetriNetUnfolderBase]: 786/1050 cut-off events. [2022-09-29 15:06:44,202 INFO L124 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2022-09-29 15:06:44,203 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 15:06:44,203 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 15:06:44,204 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 15:06:44,204 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 15:06:44,204 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 15:06:44,204 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 15:06:44,278 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 15:06:44,278 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 15:06:44,278 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 15:06:44,282 INFO L202 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:06:44 BoogieIcfgContainer [2022-09-29 15:06:44,282 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:06:44,283 INFO L158 Benchmark]: Toolchain (without parser) took 3038.97ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 177.6MB in the beginning and 129.3MB in the end (delta: 48.4MB). Peak memory consumption was 160.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:44,283 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 223.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:06:44,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.17ms. Allocated memory is still 223.3MB. Free memory was 177.5MB in the beginning and 176.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:44,284 INFO L158 Benchmark]: Boogie Preprocessor took 16.01ms. Allocated memory is still 223.3MB. Free memory was 176.0MB in the beginning and 175.1MB in the end (delta: 910.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:44,284 INFO L158 Benchmark]: RCFGBuilder took 238.66ms. Allocated memory is still 223.3MB. Free memory was 175.0MB in the beginning and 194.6MB in the end (delta: -19.6MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. [2022-09-29 15:06:44,284 INFO L158 Benchmark]: BuchiAutomizer took 2755.06ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 194.3MB in the beginning and 129.3MB in the end (delta: 65.1MB). Peak memory consumption was 177.3MB. Max. memory is 8.0GB. [2022-09-29 15:06:44,285 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 0.09ms. Allocated memory is still 223.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.17ms. Allocated memory is still 223.3MB. Free memory was 177.5MB in the beginning and 176.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.01ms. Allocated memory is still 223.3MB. Free memory was 176.0MB in the beginning and 175.1MB in the end (delta: 910.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 238.66ms. Allocated memory is still 223.3MB. Free memory was 175.0MB in the beginning and 194.6MB in the end (delta: -19.6MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 2755.06ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 194.3MB in the beginning and 129.3MB in the end (delta: 65.1MB). Peak memory consumption was 177.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 80 mSDtfsCounter, 151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp134 ukn62 mio100 lsp78 div100 bol100 ite100 ukn100 eq186 hnf96 smp100 dnf96 smp86 tf100 neg99 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 125ms VariablesStem: 2 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 32 PlacesBefore, 23 PlacesAfterwards, 26 TransitionsBefore, 16 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 4 FixpointIterations, 3 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 12 TotalNumberOfCompositions, 174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 174, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 174, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:06:44,322 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...