/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:03:03,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:03:03,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:03:03,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:03:03,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:03:03,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:03:03,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:03:03,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:03:03,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:03:03,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:03:03,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:03:03,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:03:03,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:03:03,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:03:03,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:03:03,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:03:03,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:03:03,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:03:03,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:03:03,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:03:03,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:03:03,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:03:03,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:03:03,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:03:03,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:03:03,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:03:03,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:03:03,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:03:03,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 15:03:03,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:03:03,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:03:03,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:03:03,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:03:03,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:03:03,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:03:03,904 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:03:03,904 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:03:03,904 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:03:03,904 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:03:03,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:03:03,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:03:03,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:03:03,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:03:03,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:03:03,906 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:03:03,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:03:03,907 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:03:03,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:03:03,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:03:03,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:03:03,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:03:03,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:03:03,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:03:03,908 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:03:03,908 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:03:04,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:03:04,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:03:04,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:03:04,095 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:03:04,103 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:03:04,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl [2022-09-29 15:03:04,104 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl' [2022-09-29 15:03:04,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:03:04,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:03:04,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:03:04,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:03:04,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:03:04,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,143 INFO L137 Inliner]: procedures = 3, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:03:04,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:03:04,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:03:04,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:03:04,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:03:04,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:03:04,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:03:04,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:03:04,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:03:04,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/1) ... [2022-09-29 15:03:04,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:04,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:04,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:04,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-09-29 15:03:04,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:03:04,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:03:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:03:04,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2022-09-29 15:03:04,207 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-09-29 15:03:04,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-09-29 15:03:04,207 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 15:03:04,246 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:03:04,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:03:04,321 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:03:04,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:03:04,326 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:03:04,327 INFO L202 PluginConnector]: Adding new model max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:03:04 BoogieIcfgContainer [2022-09-29 15:03:04,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:03:04,328 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:03:04,328 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:03:04,332 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:03:04,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:03:04,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:03:04" (1/2) ... [2022-09-29 15:03:04,334 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71fe878b and model type max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:03:04, skipping insertion in model container [2022-09-29 15:03:04,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:03:04,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:03:04" (2/2) ... [2022-09-29 15:03:04,336 INFO L322 chiAutomizerObserver]: Analyzing ICFG max-tailsum3.bpl [2022-09-29 15:03:04,404 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:03:04,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions, 110 flow [2022-09-29 15:03:04,460 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:03:04,460 INFO L123 PetriNetUnfolderBase]: 3/37 cut-off events. [2022-09-29 15:03:04,460 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:03:04,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 37 events. 3/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-09-29 15:03:04,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 43 transitions, 110 flow [2022-09-29 15:03:04,466 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 37 transitions, 92 flow [2022-09-29 15:03:04,468 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:03:04,476 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 37 transitions, 92 flow [2022-09-29 15:03:04,478 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 37 transitions, 92 flow [2022-09-29 15:03:04,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 37 transitions, 92 flow [2022-09-29 15:03:04,488 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:03:04,488 INFO L123 PetriNetUnfolderBase]: 3/37 cut-off events. [2022-09-29 15:03:04,488 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:03:04,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 37 events. 3/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-09-29 15:03:04,489 INFO L116 LiptonReduction]: Number of co-enabled transitions 594 [2022-09-29 15:03:04,898 INFO L131 LiptonReduction]: Checked pairs total: 430 [2022-09-29 15:03:04,899 INFO L133 LiptonReduction]: Total number of compositions: 19 [2022-09-29 15:03:04,910 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:03:04,910 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:03:04,910 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:03:04,910 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:03:04,910 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:03:04,910 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:03:04,911 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:03:04,911 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:03:04,911 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:03:04,915 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:03:04,917 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:04,917 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:04,917 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:03:04,917 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:03:04,917 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:04,919 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:03:04,919 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:03:04,922 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:03:04,922 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:04,922 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:04,922 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:03:04,923 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:03:04,923 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:04,926 INFO L733 eck$LassoCheckResult]: Stem: 51#[ULTIMATE.startENTRY]true [24] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 53#[L54]true [71] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 55#[sumENTRY, L54-1]true [97] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork0_x_19) (= 0 v_sumThread1of1ForFork0_z_17) (= v_sumThread1of1ForFork0_i_29 v_sumThread1of1ForFork0_lo_7)) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_7} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_19, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_17, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_29, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 57#[L54-1, L31-1]true [2022-09-29 15:03:04,927 INFO L735 eck$LassoCheckResult]: Loop: 57#[L54-1, L31-1]true [99] L31-1-->L31-1: Formula: (and (= (+ (select v_A_19 v_sumThread1of1ForFork0_i_32) v_sumThread1of1ForFork0_x_22) v_sumThread1of1ForFork0_x_21) (= (+ v_sumThread1of1ForFork0_i_32 1) v_sumThread1of1ForFork0_i_31) (= (let ((.cse0 (+ (select v_A_19 v_sumThread1of1ForFork0_i_31) v_sumThread1of1ForFork0_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork0_z_19) (< v_sumThread1of1ForFork0_i_32 v_sumThread1of1ForFork0_hi_9)) InVars {A=v_A_19, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_9, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_22, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_20, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_32} OutVars{A=v_A_19, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_9, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_21, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_19, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_31} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 57#[L54-1, L31-1]true [2022-09-29 15:03:04,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:04,930 INFO L85 PathProgramCache]: Analyzing trace with hash 55153, now seen corresponding path program 1 times [2022-09-29 15:03:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:04,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715474921] [2022-09-29 15:03:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:04,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2022-09-29 15:03:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:05,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955764824] [2022-09-29 15:03:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:05,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1709842, now seen corresponding path program 1 times [2022-09-29 15:03:05,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:05,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248640310] [2022-09-29 15:03:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:05,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,034 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:05,163 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:05,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:05,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:05,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:05,164 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:05,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:05,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:05,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:03:05,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:05,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:05,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:05,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:05,374 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:05,377 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:05,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:05,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:05,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-09-29 15:03:05,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:05,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:05,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:05,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:05,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:05,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:05,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:05,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:05,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:05,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:05,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:05,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-09-29 15:03:05,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:05,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:05,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:05,459 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:03:05,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:05,482 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:03:05,482 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:03:05,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:05,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:05,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:05,518 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:05,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-09-29 15:03:05,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:05,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:05,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:05,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:05,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:05,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:05,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:05,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:05,579 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-09-29 15:03:05,579 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-09-29 15:03:05,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:05,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:05,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-09-29 15:03:05,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:05,662 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:05,662 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:05,663 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_hi, sumThread1of1ForFork0_i) = 1*sumThread1of1ForFork0_hi - 1*sumThread1of1ForFork0_i Supporting invariants [] [2022-09-29 15:03:05,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:05,686 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:05,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:05,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:05,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:05,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:05,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:05,769 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:05,771 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:05,922 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 541 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:05,923 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:05,926 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:03:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 178 transitions. [2022-09-29 15:03:05,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 178 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:03:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:05,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 178 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:05,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 178 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:03:05,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:05,936 INFO L428 stractBuchiCegarLoop]: Abstraction has has 37 places, 302 transitions, 1514 flow [2022-09-29 15:03:05,937 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:03:05,937 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:03:05,940 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:03:05,941 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,941 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:03:05,943 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,944 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:03:05,946 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,946 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:05,946 INFO L123 PetriNetUnfolderBase]: 5/16 cut-off events. [2022-09-29 15:03:05,946 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:03:05,946 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:05,947 INFO L733 eck$LassoCheckResult]: Stem: 51#[ULTIMATE.startENTRY]true [24] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 53#[L54]true [71] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 55#[sumENTRY, L54-1]true [74] L54-1-->sumENTRY: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 108#[sumENTRY, sumENTRY, L55]true [94] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork1_z_17) (= v_sumThread1of1ForFork1_lo_7 v_sumThread1of1ForFork1_i_27) (= 0 v_sumThread1of1ForFork1_x_15)) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_7} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_17, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_27, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_15, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 110#[sumENTRY, L31-1, L55]true [2022-09-29 15:03:05,947 INFO L735 eck$LassoCheckResult]: Loop: 110#[sumENTRY, L31-1, L55]true [95] L31-1-->L31-1: Formula: (and (= (+ (select v_A_15 v_sumThread1of1ForFork1_i_30) v_sumThread1of1ForFork1_x_18) v_sumThread1of1ForFork1_x_17) (= (let ((.cse0 (+ (select v_A_15 v_sumThread1of1ForFork1_i_29) v_sumThread1of1ForFork1_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork1_z_19) (< v_sumThread1of1ForFork1_i_30 v_sumThread1of1ForFork1_hi_11) (= (+ v_sumThread1of1ForFork1_i_30 1) v_sumThread1of1ForFork1_i_29)) InVars {A=v_A_15, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_20, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_30, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_18} OutVars{A=v_A_15, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_19, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_29, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_17} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 110#[sumENTRY, L31-1, L55]true [2022-09-29 15:03:05,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1709124, now seen corresponding path program 1 times [2022-09-29 15:03:05,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:05,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023890114] [2022-09-29 15:03:05,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:05,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:05,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,959 INFO L85 PathProgramCache]: Analyzing trace with hash 126, now seen corresponding path program 1 times [2022-09-29 15:03:05,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:05,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499076677] [2022-09-29 15:03:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:05,970 INFO L85 PathProgramCache]: Analyzing trace with hash 52982939, now seen corresponding path program 1 times [2022-09-29 15:03:05,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:05,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980471398] [2022-09-29 15:03:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:05,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,978 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:05,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:06,107 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:06,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:06,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:06,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:06,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:06,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:06,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:06,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:06,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:03:06,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:06,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:06,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:06,293 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:06,294 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:06,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:06,295 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:06,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:06,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:06,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:06,306 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:03:06,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:06,317 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:03:06,318 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:03:06,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:03:06,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:06,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:06,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:06,359 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:06,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-09-29 15:03:06,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:06,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:06,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:06,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:06,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:06,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:06,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:06,390 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:06,425 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-09-29 15:03:06,425 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-09-29 15:03:06,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:06,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:06,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:06,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-09-29 15:03:06,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:06,497 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-09-29 15:03:06,497 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:06,497 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_k2, sumThread1of1ForFork1_i) = 1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork1_i Supporting invariants [-1*sumThread1of1ForFork1_hi + 1*ULTIMATE.start_k2 >= 0] [2022-09-29 15:03:06,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-09-29 15:03:06,519 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:03:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:06,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-29 15:03:06,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:06,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-29 15:03:06,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:06,571 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-09-29 15:03:06,572 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:06,796 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 787 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:03:06,796 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:06,870 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-09-29 15:03:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:06,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 240 transitions. [2022-09-29 15:03:06,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:03:06,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:06,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:03:06,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:06,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:03:06,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:06,876 INFO L428 stractBuchiCegarLoop]: Abstraction has has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:03:06,876 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,897 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,903 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,904 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,911 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,921 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:06,934 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,935 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,948 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,950 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:06,960 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,989 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 55 places, 7384 transitions, 51936 flow [2022-09-29 15:03:07,028 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:07,028 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:07,029 INFO L123 PetriNetUnfolderBase]: 121/190 cut-off events. [2022-09-29 15:03:07,029 INFO L124 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2022-09-29 15:03:07,029 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:07,029 INFO L733 eck$LassoCheckResult]: Stem: 51#[ULTIMATE.startENTRY]true [24] ULTIMATE.startENTRY-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 53#[L54]true [71] L54-->sumENTRY: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 55#[sumENTRY, L54-1]true [74] L54-1-->sumENTRY: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 108#[sumENTRY, sumENTRY, L55]true [77] L55-->sumENTRY: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_N_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {N=v_N_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, N=v_N_3, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] 178#[sumENTRY, sumENTRY, L56, sumENTRY]true [96] sumENTRY-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork2_z_17) (= v_sumThread1of1ForFork2_i_29 v_sumThread1of1ForFork2_lo_7) (= 0 v_sumThread1of1ForFork2_x_19)) InVars {sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_7} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_17, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_29, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_19, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 180#[sumENTRY, L56, sumENTRY, L31-1]true [2022-09-29 15:03:07,029 INFO L735 eck$LassoCheckResult]: Loop: 180#[sumENTRY, L56, sumENTRY, L31-1]true [98] L31-1-->L31-1: Formula: (and (= (+ (select v_A_17 v_sumThread1of1ForFork2_i_32) v_sumThread1of1ForFork2_x_22) v_sumThread1of1ForFork2_x_21) (= (let ((.cse0 (+ (select v_A_17 v_sumThread1of1ForFork2_i_31) v_sumThread1of1ForFork2_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork2_z_19) (< v_sumThread1of1ForFork2_i_32 v_sumThread1of1ForFork2_hi_9) (= (+ 1 v_sumThread1of1ForFork2_i_32) v_sumThread1of1ForFork2_i_31)) InVars {A=v_A_17, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_20, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_32, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_22, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_9} OutVars{A=v_A_17, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_19, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_31, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_21, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_9} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 180#[sumENTRY, L56, sumENTRY, L31-1]true [2022-09-29 15:03:07,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash 52982413, now seen corresponding path program 1 times [2022-09-29 15:03:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:07,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340640055] [2022-09-29 15:03:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:07,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,035 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:07,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:07,049 INFO L85 PathProgramCache]: Analyzing trace with hash 129, now seen corresponding path program 1 times [2022-09-29 15:03:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656431398] [2022-09-29 15:03:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,053 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:07,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1642454901, now seen corresponding path program 1 times [2022-09-29 15:03:07,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:07,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077741745] [2022-09-29 15:03:07,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:07,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:07,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:07,191 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:07,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:07,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:07,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:07,191 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:07,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:07,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:07,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:03:07,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:07,192 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:07,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:07,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:07,407 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:07,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,424 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-09-29 15:03:07,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:07,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:07,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:07,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:03:07,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:07,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:07,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:07,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-09-29 15:03:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,503 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:03:07,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:07,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:07,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:07,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,530 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:03:07,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,576 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:03:07,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,635 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:03:07,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:03:07,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-09-29 15:03:07,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,729 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:03:07,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:07,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-09-29 15:03:07,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,782 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:03:07,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:07,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:07,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:07,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:07,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:07,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:07,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:07,823 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:07,840 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-09-29 15:03:07,840 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-09-29 15:03:07,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:07,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:07,841 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:07,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:03:07,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:07,864 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-09-29 15:03:07,864 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:07,865 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork2_i) = 1*N - 1*sumThread1of1ForFork2_i Supporting invariants [1*N - 1*sumThread1of1ForFork2_hi >= 0] [2022-09-29 15:03:07,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:07,882 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:03:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:07,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-29 15:03:07,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:07,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-29 15:03:07,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:07,913 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-09-29 15:03:07,913 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:08,070 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 787 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2022-09-29 15:03:08,070 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:08,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-09-29 15:03:10,311 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:03:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-09-29 15:03:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 240 transitions. [2022-09-29 15:03:10,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:03:10,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:10,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:03:10,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:10,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 240 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:03:10,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:03:10,314 INFO L428 stractBuchiCegarLoop]: Abstraction has has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:10,314 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:03:10,314 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:11,077 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:12,310 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:12,358 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:13,598 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:13,679 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:14,908 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:14,928 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:16,061 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:16,887 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:19,429 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:19,448 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:22,039 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:22,066 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:24,467 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:24,492 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:26,924 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:27,002 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:29,539 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:29,564 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:31,998 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:32,556 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:37,959 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:38,295 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:43,602 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:43,622 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:48,926 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:49,353 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:51,922 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:51,946 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:54,586 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:54,613 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:03:59,738 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:59,761 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:05,025 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:05,051 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:10,478 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:10,501 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:15,628 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:15,655 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:20,520 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:20,571 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:23,039 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:23,061 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:25,398 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:25,508 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:27,775 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:27,794 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:30,109 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:31,331 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:35,890 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:35,910 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:40,621 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:40,793 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:44,969 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:45,142 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:48,735 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:48,753 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:52,410 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:52,435 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:56,121 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:56,142 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:04:59,832 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:59,977 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:04,885 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:04,929 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:09,768 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:10,077 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:14,091 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:14,114 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:17,960 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:18,224 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:23,082 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:23,107 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:27,767 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:27,791 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:31,913 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:31,939 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:36,605 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:36,628 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:41,415 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:41,439 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:45,822 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:45,844 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:50,180 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:50,204 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:54,920 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:54,939 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:05:59,234 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:59,258 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:03,094 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:03,117 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:06,887 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:07,069 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:12,452 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:13,959 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:18,374 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:18,654 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:25,135 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:25,154 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:31,675 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:31,812 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:38,332 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:38,422 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:42,271 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:42,291 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:46,113 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:46,137 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:49,880 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:49,902 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:53,781 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:53,869 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:06:58,182 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:58,386 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:04,645 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:04,666 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:11,031 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:11,050 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:17,355 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:17,400 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:23,438 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:23,458 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:29,422 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:29,723 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:36,672 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:36,733 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:40,959 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:40,981 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:45,133 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:45,352 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow [2022-09-29 15:07:52,420 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:07:52,440 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 73 places, 179816 transitions, 1628536 flow Received shutdown request... [2022-09-29 15:07:53,893 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:07:54,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown