/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/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:50,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:50,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:50,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-29 15:02:50,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:50,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:50,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:50,504 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 15:02:50,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:50,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:50,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:50,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:50,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:50,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:50,537 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:50,537 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:50,537 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:50,537 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:50,538 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:50,538 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:50,538 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:50,538 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:50,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:50,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:50,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:50,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:50,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:50,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:50,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:50,541 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:50,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:50,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:50,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:50,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:50,756 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:50,757 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:50,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2022-09-29 15:02:50,758 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2022-09-29 15:02:50,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:50,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:50,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:50,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:50,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:50,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,797 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:50,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:50,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:50,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:50,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:50,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:50,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:50,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:50,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:50,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/1) ... [2022-09-29 15:02:50,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:50,845 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 15:02:50,850 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 15:02:50,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:02:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:02:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:02:50,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:02:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:02:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:02:50,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:02:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:02:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:02:50,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:50,870 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 15:02:50,902 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:50,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:51,037 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:51,042 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:51,042 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:51,043 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:51 BoogieIcfgContainer [2022-09-29 15:02:51,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:51,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:51,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:51,061 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:51,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:51,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:50" (1/2) ... [2022-09-29 15:02:51,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ce34407 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:51, skipping insertion in model container [2022-09-29 15:02:51,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:51,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:51" (2/2) ... [2022-09-29 15:02:51,064 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1.bpl [2022-09-29 15:02:51,142 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:02:51,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:02:51,229 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:51,230 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:02:51,230 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:02:51,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:02:51,233 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:02:51,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2022-09-29 15:02:51,246 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:51,262 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:02:51,266 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:02:51,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 86 flow [2022-09-29 15:02:51,286 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:51,287 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:02:51,287 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:02:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:02:51,288 INFO L116 LiptonReduction]: Number of co-enabled transitions 456 [2022-09-29 15:02:51,769 INFO L131 LiptonReduction]: Checked pairs total: 380 [2022-09-29 15:02:51,769 INFO L133 LiptonReduction]: Total number of compositions: 18 [2022-09-29 15:02:51,780 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:51,780 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:51,781 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:51,781 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:51,781 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:51,781 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:51,781 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:51,781 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:51,782 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:02:51,785 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:02:51,787 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,787 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:51,787 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:51,787 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:51,787 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:51,789 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:51,790 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:02:51,791 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 25 places, 18 transitions, 54 flow [2022-09-29 15:02:51,792 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,792 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:51,792 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:51,792 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:51,792 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:51,796 INFO L733 eck$LassoCheckResult]: Stem: 46#[ULTIMATE.startENTRY]true [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, thread1ENTRY]true [88] thread1ENTRY-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 52#[L51-1, L34-1]true [2022-09-29 15:02:51,796 INFO L735 eck$LassoCheckResult]: Loop: 52#[L51-1, L34-1]true [138] L51-1-->L51-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_28 v_N_26) (= v_A_31 (store v_A_32 v_thread1Thread1of1ForFork0_i_28 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork0_i_28))) (ite (< .cse0 0) 0 .cse0)))) (= (+ v_thread1Thread1of1ForFork0_i_28 1) v_thread1Thread1of1ForFork0_i_27)) InVars {A=v_A_32, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_28} OutVars{A=v_A_31, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_27} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 52#[L51-1, L34-1]true [2022-09-29 15:02:51,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash 104527, now seen corresponding path program 1 times [2022-09-29 15:02:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136868925] [2022-09-29 15:02:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,860 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,874 INFO L85 PathProgramCache]: Analyzing trace with hash 169, now seen corresponding path program 1 times [2022-09-29 15:02:51,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215681979] [2022-09-29 15:02:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash 3240475, now seen corresponding path program 1 times [2022-09-29 15:02:51,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412749192] [2022-09-29 15:02:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,898 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,980 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:51,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:51,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:51,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:51,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:51,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:51,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:51,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:51,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:51,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:52,030 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 15:02:52,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:52,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:52,087 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:52,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,090 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 15:02:52,093 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 15:02:52,102 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 15:02:52,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:52,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:52,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:52,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,145 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 15:02:52,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,146 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 15:02:52,147 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 15:02:52,149 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 15:02:52,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,175 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:52,186 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:02:52,186 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:52,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,189 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 15:02:52,190 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 15:02:52,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:52,224 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:52,225 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:52,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:02:52,243 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 15:02:52,246 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,305 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 15:02:52,332 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 15:02:52,334 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 15:02:52,473 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 511 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:52,474 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:52,476 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:52,478 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 15:02:52,481 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 15:02:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2022-09-29 15:02:52,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:02:52,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:52,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:52,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,494 INFO L428 stractBuchiCegarLoop]: Abstraction has has 37 places, 302 transitions, 1514 flow [2022-09-29 15:02:52,494 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:52,494 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:02:52,496 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:02:52,497 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,498 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 37 places, 302 transitions, 1514 flow [2022-09-29 15:02:52,501 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,501 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:52,501 INFO L123 PetriNetUnfolderBase]: 5/15 cut-off events. [2022-09-29 15:02:52,501 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:52,501 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:52,502 INFO L733 eck$LassoCheckResult]: Stem: 46#[ULTIMATE.startENTRY]true [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, thread1ENTRY]true [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 103#[thread2ENTRY, thread1ENTRY, L35]true [132] thread2ENTRY-->L65-1: Formula: (and (= v_thread2Thread1of1ForFork1_j_41 0) (= v_thread2Thread1of1ForFork1_cnt_23 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_41, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 105#[L65-1, thread1ENTRY, L35]true [2022-09-29 15:02:52,502 INFO L735 eck$LassoCheckResult]: Loop: 105#[L65-1, thread1ENTRY, L35]true [141] L65-1-->L65-1: Formula: (and (let ((.cse1 (< 0 (select v_A_39 v_thread2Thread1of1ForFork1_j_58))) (.cse0 (< v_thread2Thread1of1ForFork1_j_58 v_N_30))) (or (and .cse0 .cse1 (= (+ v_thread2Thread1of1ForFork1_cnt_47 1) v_thread2Thread1of1ForFork1_cnt_46)) (and (not .cse1) (= v_thread2Thread1of1ForFork1_cnt_47 v_thread2Thread1of1ForFork1_cnt_46) .cse0))) (let ((.cse2 (= v_thread2Thread1of1ForFork1_j_57 (+ v_thread2Thread1of1ForFork1_j_58 1))) (.cse3 (< 0 (select v_B_35 v_thread2Thread1of1ForFork1_j_58)))) (or (and .cse2 .cse3 (= (+ v_thread2Thread1of1ForFork1_cnt_46 1) v_thread2Thread1of1ForFork1_cnt_45)) (and .cse2 (not .cse3) (= v_thread2Thread1of1ForFork1_cnt_46 v_thread2Thread1of1ForFork1_cnt_45))))) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_58, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_47, B=v_B_35} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_57, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_45, B=v_B_35} AuxVars[v_thread2Thread1of1ForFork1_cnt_46] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 105#[L65-1, thread1ENTRY, L35]true [2022-09-29 15:02:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash 3241368, now seen corresponding path program 1 times [2022-09-29 15:02:52,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104953418] [2022-09-29 15:02:52,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,517 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,527 INFO L85 PathProgramCache]: Analyzing trace with hash 172, now seen corresponding path program 1 times [2022-09-29 15:02:52,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627721333] [2022-09-29 15:02:52,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,533 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash 100482549, now seen corresponding path program 1 times [2022-09-29 15:02:52,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:52,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270756731] [2022-09-29 15:02:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,559 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:52,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:52,706 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:52,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:52,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:52,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:52,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:52,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:52,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:52,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:52,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:52,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:52,712 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 15:02:52,715 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 15:02:52,716 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 15:02:52,802 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 15:02:52,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:52,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:52,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:52,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,936 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 15:02:52,937 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 15:02:52,938 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 15:02:52,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,983 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 15:02:52,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,994 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 15:02:52,996 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 15:02:52,997 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 15:02:53,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:53,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:53,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:53,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:53,034 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 15:02:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,035 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 15:02:53,036 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 15:02:53,037 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 15:02:53,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,043 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-09-29 15:02:53,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,086 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-09-29 15:02:53,086 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-09-29 15:02:53,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:53,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,144 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 15:02:53,145 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 15:02:53,146 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 15:02:53,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:53,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:53,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:53,200 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:02:53,200 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:53,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,232 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 15:02:53,233 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 15:02:53,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:53,260 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:53,260 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:53,260 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2022-09-29 15:02:53,291 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 15:02:53,292 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:53,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:53,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:53,319 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:53,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:53,320 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 15:02:53,320 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 15:02:53,321 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:53,415 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 508 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:53,415 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:53,447 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:53,447 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 15:02:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2022-09-29 15:02:53,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 168 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:53,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 168 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:53,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 168 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:53,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:53,450 INFO L428 stractBuchiCegarLoop]: Abstraction has has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:53,451 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,475 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,483 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,486 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,493 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,526 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,536 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,538 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,552 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,554 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,566 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,575 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,586 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,643 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,674 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,676 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,687 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 15:02:53,692 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,694 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,735 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 15:02:53,740 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,741 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 49 places, 5040 transitions, 35424 flow [2022-09-29 15:02:53,773 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,774 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:53,774 INFO L123 PetriNetUnfolderBase]: 164/242 cut-off events. [2022-09-29 15:02:53,774 INFO L124 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2022-09-29 15:02:53,774 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:53,775 INFO L733 eck$LassoCheckResult]: Stem: 46#[ULTIMATE.startENTRY]true [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, thread1ENTRY]true [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 103#[thread2ENTRY, thread1ENTRY, L35]true [120] L35-->thread3ENTRY: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 154#[L36, thread2ENTRY, thread3ENTRY, thread1ENTRY]true [106] thread3ENTRY-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 156#[L83-1, L36, thread2ENTRY, thread1ENTRY]true [2022-09-29 15:02:53,775 INFO L735 eck$LassoCheckResult]: Loop: 156#[L83-1, L36, thread2ENTRY, thread1ENTRY]true [136] L83-1-->L83-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_27 (+ v_thread3Thread1of1ForFork2_k_28 1)) (= (store v_B_32 v_thread3Thread1of1ForFork2_k_28 v_thread3Thread1of1ForFork2_k_28) v_B_31) (< v_thread3Thread1of1ForFork2_k_28 v_N_22)) InVars {N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_28, B=v_B_32} OutVars{N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_27, B=v_B_31} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 156#[L83-1, L36, thread2ENTRY, thread1ENTRY]true [2022-09-29 15:02:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash 100482142, now seen corresponding path program 1 times [2022-09-29 15:02:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052839638] [2022-09-29 15:02:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,800 INFO L85 PathProgramCache]: Analyzing trace with hash 167, now seen corresponding path program 1 times [2022-09-29 15:02:53,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837164638] [2022-09-29 15:02:53,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1180020758, now seen corresponding path program 1 times [2022-09-29 15:02:53,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600846817] [2022-09-29 15:02:53,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,865 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:53,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:53,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:53,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:53,865 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:53,865 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:53,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:53,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:02:53,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:53,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:53,866 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 15:02:53,868 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 15:02:53,874 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 15:02:53,876 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 15:02:53,880 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 15:02:53,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,896 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 15:02:53,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:53,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:53,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,945 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 15:02:53,949 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 15:02:53,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:53,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:53,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:53,956 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 15:02:53,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:53,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,976 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 15:02:53,976 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 15:02:53,978 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 15:02:53,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:53,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:53,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:53,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:54,008 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 15:02:54,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,009 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 15:02:54,010 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 15:02:54,011 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 15:02:54,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:54,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:54,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:54,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:54,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:54,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:54,031 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:54,038 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:02:54,038 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:54,039 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 15:02:54,040 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 15:02:54,041 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:54,062 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:54,062 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:54,062 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2022-09-29 15:02:54,093 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 15:02:54,094 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:54,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:54,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:54,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:54,120 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:54,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:54,121 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 15:02:54,121 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 15:02:54,121 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:54,222 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 511 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:54,223 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:54,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-09-29 15:02:55,213 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:55,223 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 15:02:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2022-09-29 15:02:55,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:55,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:02:55,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 170 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:55,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,226 INFO L428 stractBuchiCegarLoop]: Abstraction has has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:55,226 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:55,226 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:55,689 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:56,081 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:56,091 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:56,503 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:56,577 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:56,981 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:56,993 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:57,391 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:57,614 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:58,421 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:58,464 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:02:59,231 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:59,321 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:00,112 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,123 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:00,915 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,994 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:01,754 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,765 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:02,554 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:02,664 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:04,333 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:04,343 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:05,971 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,990 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:07,650 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:07,659 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:09,257 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,268 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:10,822 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:10,842 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:12,312 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:12,323 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:13,856 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:13,887 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:15,335 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:15,742 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:16,554 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:16,564 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:17,382 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:17,394 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:18,101 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:18,113 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:18,840 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:18,851 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:19,615 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:19,625 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:20,352 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:20,696 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:22,137 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:22,145 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:23,589 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:23,630 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:25,101 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:25,167 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:26,626 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:26,635 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:28,135 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:28,147 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:29,652 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:29,663 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:31,144 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:31,155 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:32,602 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:32,610 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:34,146 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:34,157 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:35,588 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:35,657 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:37,148 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:37,208 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:38,629 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:38,640 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:40,103 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:40,185 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:41,663 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:41,682 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:43,206 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:43,237 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:44,701 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:44,910 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:46,030 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:46,038 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:47,154 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:47,285 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:48,535 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:48,546 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:49,761 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:49,893 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:51,007 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:51,017 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:52,164 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:52,617 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:54,056 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:54,356 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:56,419 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:56,428 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:03:58,507 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:58,615 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:00,077 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:00,088 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:01,591 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:01,620 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:03,111 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:03,120 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:04,570 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:04,647 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:06,737 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:06,746 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:08,837 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:08,876 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:11,023 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:11,060 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:13,150 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:13,191 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:15,238 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:15,249 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:17,347 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:17,378 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:18,840 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:18,882 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:21,015 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:21,050 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:23,131 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:23,141 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:25,150 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:25,259 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:26,762 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:26,772 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:28,194 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:28,206 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:30,270 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:30,280 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:32,321 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:32,366 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:34,488 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:34,500 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:36,565 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:36,575 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:38,721 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:39,611 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:41,589 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:41,657 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:43,597 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:43,669 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:45,565 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:45,596 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:47,700 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:47,827 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:49,831 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:49,839 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:51,850 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:51,899 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:53,955 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:53,964 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:55,958 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:56,062 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:04:58,068 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:58,078 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:00,078 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:00,118 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:02,161 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:02,171 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:04,174 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:04,262 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:06,249 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:06,260 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:08,223 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:08,233 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:11,671 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:11,704 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:13,770 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:13,781 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:15,738 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:15,757 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:19,227 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:19,240 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:22,768 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:22,779 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:26,271 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:27,130 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:30,262 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:30,272 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:33,264 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:33,314 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:36,533 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:36,582 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:39,458 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:39,515 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:42,010 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:42,018 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:44,679 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:44,691 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:47,290 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:47,300 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:49,928 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:49,961 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:52,649 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:52,660 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:55,199 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:55,211 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:05:57,931 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:57,942 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:00,764 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:01,361 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:06,007 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:06,076 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:10,743 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:10,755 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:14,236 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:14,246 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:17,350 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:17,646 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:23,303 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:23,331 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 61 places, 83592 transitions, 756216 flow [2022-09-29 15:06:28,190 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:28,662 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:28,663 INFO L123 PetriNetUnfolderBase]: 4523/5573 cut-off events. [2022-09-29 15:06:28,663 INFO L124 PetriNetUnfolderBase]: For 622/622 co-relation queries the response was YES. [2022-09-29 15:06:28,664 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 15:06:28,664 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 15:06:28,668 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 15:06:28,668 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 15:06:28,668 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 15:06:28,668 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 15:06:29,607 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 15:06:29,607 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 15:06:29,607 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 15:06:29,611 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:06:29 BoogieIcfgContainer [2022-09-29 15:06:29,612 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:06:29,612 INFO L158 Benchmark]: Toolchain (without parser) took 218837.66ms. Allocated memory was 213.9MB in the beginning and 733.0MB in the end (delta: 519.0MB). Free memory was 175.8MB in the beginning and 222.0MB in the end (delta: -46.2MB). Peak memory consumption was 577.7MB. Max. memory is 8.0GB. [2022-09-29 15:06:29,612 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:06:29,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.62ms. Allocated memory is still 213.9MB. Free memory was 175.7MB in the beginning and 174.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:29,613 INFO L158 Benchmark]: Boogie Preprocessor took 20.45ms. Allocated memory is still 213.9MB. Free memory was 174.1MB in the beginning and 173.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:29,613 INFO L158 Benchmark]: RCFGBuilder took 220.51ms. Allocated memory is still 213.9MB. Free memory was 173.1MB in the beginning and 163.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:06:29,613 INFO L158 Benchmark]: BuchiAutomizer took 218567.63ms. Allocated memory was 213.9MB in the beginning and 733.0MB in the end (delta: 519.0MB). Free memory was 163.5MB in the beginning and 222.0MB in the end (delta: -58.5MB). Peak memory consumption was 565.2MB. Max. memory is 8.0GB. [2022-09-29 15:06:29,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.62ms. Allocated memory is still 213.9MB. Free memory was 175.7MB in the beginning and 174.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.45ms. Allocated memory is still 213.9MB. Free memory was 174.1MB in the beginning and 173.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 220.51ms. Allocated memory is still 213.9MB. Free memory was 173.1MB in the beginning and 163.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 218567.63ms. Allocated memory was 213.9MB in the beginning and 733.0MB in the end (delta: 519.0MB). Free memory was 163.5MB in the beginning and 222.0MB in the end (delta: -58.5MB). Peak memory consumption was 565.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 218.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 328 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 283 IncrementalHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 174 mSDtfsCounter, 283 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf100 lsp142 ukn46 mio100 lsp93 div100 bol100 ite100 ukn100 eq155 hnf95 smp100 dnf137 smp77 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 87ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 39 PlacesBefore, 25 PlacesAfterwards, 34 TransitionsBefore, 18 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 18 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 359, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 257, positive: 253, positive conditional: 0, positive unconditional: 253, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 257, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 359, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 257, unknown conditional: 0, unknown unconditional: 257] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:06:29,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...