/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-update1-2modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:42,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:42,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:42,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:42,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:42,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:42,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:42,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:42,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:42,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:42,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:42,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:42,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:42,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:42,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:42,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:42,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:42,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:42,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:42,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:42,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:42,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:42,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:42,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:42,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 15:02:42,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 15:02:42,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 15:02:42,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 15:02:42,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 15:02:42,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 15:02:42,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:02:42,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:02:42,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:02:42,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:02:42,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:02:42,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:02:42,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:02:42,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:02:42,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:42,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:42,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:42,829 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 15:02:42,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:42,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:42,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:42,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:42,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:42,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:42,864 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:42,864 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:42,864 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:42,864 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:42,865 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:42,865 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:42,865 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:42,865 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:42,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:42,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:42,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:42,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:42,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:42,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:42,868 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:42,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:43,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:43,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:43,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:43,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:43,082 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:43,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl [2022-09-29 15:02:43,083 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl' [2022-09-29 15:02:43,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:43,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:43,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:43,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:43,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:43,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,128 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:43,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:43,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:43,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:43,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:43,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:43,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:43,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:43,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:43,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/1) ... [2022-09-29 15:02:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:43,173 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 15:02:43,182 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 15:02:43,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:02:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:02:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:02:43,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:02:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:02:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:02:43,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:02:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:02:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:02:43,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:43,208 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 15:02:43,247 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:43,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:43,373 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:43,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:43,379 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:43,381 INFO L202 PluginConnector]: Adding new model map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:43 BoogieIcfgContainer [2022-09-29 15:02:43,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:43,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:43,382 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:43,387 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:43,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:43,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:43" (1/2) ... [2022-09-29 15:02:43,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f613370 and model type map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:43, skipping insertion in model container [2022-09-29 15:02:43,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:43,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:43" (2/2) ... [2022-09-29 15:02:43,390 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-2modifiers.bpl [2022-09-29 15:02:43,453 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-09-29 15:02:43,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 132 flow [2022-09-29 15:02:43,501 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:43,501 INFO L123 PetriNetUnfolderBase]: 6/42 cut-off events. [2022-09-29 15:02:43,502 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:02:43,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 6/42 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 105 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:02:43,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 50 transitions, 132 flow [2022-09-29 15:02:43,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 42 transitions, 108 flow [2022-09-29 15:02:43,517 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:43,528 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 42 transitions, 108 flow [2022-09-29 15:02:43,531 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 42 transitions, 108 flow [2022-09-29 15:02:43,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 42 transitions, 108 flow [2022-09-29 15:02:43,565 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:43,565 INFO L123 PetriNetUnfolderBase]: 6/42 cut-off events. [2022-09-29 15:02:43,565 INFO L124 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2022-09-29 15:02:43,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 6/42 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 118 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:02:43,569 INFO L116 LiptonReduction]: Number of co-enabled transitions 828 [2022-09-29 15:02:44,132 INFO L131 LiptonReduction]: Checked pairs total: 696 [2022-09-29 15:02:44,132 INFO L133 LiptonReduction]: Total number of compositions: 21 [2022-09-29 15:02:44,144 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:44,144 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:44,144 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:44,144 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:44,144 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:44,144 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:44,144 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:44,144 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:44,145 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:02:44,148 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:02:44,150 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:44,151 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:44,151 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:02:44,151 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:44,151 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:44,154 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:44,154 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:02:44,158 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 32 places, 23 transitions, 70 flow [2022-09-29 15:02:44,159 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:44,159 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:44,159 INFO L123 PetriNetUnfolderBase]: 0/4 cut-off events. [2022-09-29 15:02:44,159 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:44,159 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:44,164 INFO L733 eck$LassoCheckResult]: Stem: 57#[ULTIMATE.startENTRY]true [70] 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[] 59#[L34]true [127] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 61#[thread1ENTRY, L34-1]true [92] thread1ENTRY-->L53-1: Formula: (= v_thread1Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i] 63#[L53-1, L34-1]true [2022-09-29 15:02:44,165 INFO L735 eck$LassoCheckResult]: Loop: 63#[L53-1, L34-1]true [155] L53-1-->L53-1: Formula: (and (< v_thread1Thread1of1ForFork1_i_30 v_N_28) (= (+ v_thread1Thread1of1ForFork1_i_30 1) v_thread1Thread1of1ForFork1_i_29) (= v_A_31 (store v_A_32 v_thread1Thread1of1ForFork1_i_30 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork1_i_30))) (ite (< .cse0 0) 0 .cse0))))) InVars {A=v_A_32, N=v_N_28, thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_30} OutVars{A=v_A_31, N=v_N_28, thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_29} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork1_i] 63#[L53-1, L34-1]true [2022-09-29 15:02:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash 101090, now seen corresponding path program 1 times [2022-09-29 15:02:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775436378] [2022-09-29 15:02:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,255 INFO L85 PathProgramCache]: Analyzing trace with hash 186, now seen corresponding path program 1 times [2022-09-29 15:02:44,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614732254] [2022-09-29 15:02:44,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash 3133945, now seen corresponding path program 1 times [2022-09-29 15:02:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:44,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205637568] [2022-09-29 15:02:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:44,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:44,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,381 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:44,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:44,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:44,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:44,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:44,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:44,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:44,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:44,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:44,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:44,431 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 15:02:44,442 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 15:02:44,493 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:44,497 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:44,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,507 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 15:02:44,516 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 15:02:44,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:44,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,571 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 15:02:44,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,576 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 15:02:44,577 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 15:02:44,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:44,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:44,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:44,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:44,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,619 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 15:02:44,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,622 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 15:02:44,623 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 15:02:44,624 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 15:02:44,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:44,689 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:02:44,689 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-09-29 15:02:44,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,719 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 15:02:44,770 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:44,777 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 15:02:44,780 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:44,780 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:44,781 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_i, N) = -1*thread1Thread1of1ForFork1_i + 1*N Supporting invariants [] [2022-09-29 15:02:44,799 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 15:02:44,801 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,852 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,853 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 15:02:44,882 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 15:02:44,884 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 15:02:45,065 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 628 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:45,066 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:45,072 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:45,076 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 15:02:45,080 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 15:02:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2022-09-29 15:02:45,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:02:45,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:45,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:45,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,086 INFO L428 stractBuchiCegarLoop]: Abstraction has has 44 places, 392 transitions, 1982 flow [2022-09-29 15:02:45,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:45,087 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 44 places, 392 transitions, 1982 flow [2022-09-29 15:02:45,090 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 392 transitions, 1982 flow [2022-09-29 15:02:45,091 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,093 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 44 places, 392 transitions, 1982 flow [2022-09-29 15:02:45,096 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,096 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:45,096 INFO L123 PetriNetUnfolderBase]: 4/14 cut-off events. [2022-09-29 15:02:45,096 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:02:45,096 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:45,097 INFO L733 eck$LassoCheckResult]: Stem: 57#[ULTIMATE.startENTRY]true [70] 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[] 59#[L34]true [127] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 61#[thread1ENTRY, L34-1]true [130] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 114#[thread1ENTRY, thread2ENTRY, L35]true [147] thread2ENTRY-->L67-1: Formula: (and (= v_thread2Thread1of1ForFork2_cnt_19 0) (= v_thread2Thread1of1ForFork2_j_37 0)) InVars {} OutVars{thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_37, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_19} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_cnt] 116#[L67-1, thread1ENTRY, L35]true [2022-09-29 15:02:45,097 INFO L735 eck$LassoCheckResult]: Loop: 116#[L67-1, thread1ENTRY, L35]true [158] L67-1-->L67-1: Formula: (and (let ((.cse0 (< 0 (select v_B_47 v_thread2Thread1of1ForFork2_j_60))) (.cse1 (= v_thread2Thread1of1ForFork2_j_59 (+ v_thread2Thread1of1ForFork2_j_60 1)))) (or (and .cse0 (= (+ v_thread2Thread1of1ForFork2_cnt_38 1) v_thread2Thread1of1ForFork2_cnt_37) .cse1) (and (= v_thread2Thread1of1ForFork2_cnt_38 v_thread2Thread1of1ForFork2_cnt_37) (not .cse0) .cse1))) (let ((.cse3 (< 0 (select v_A_39 v_thread2Thread1of1ForFork2_j_60))) (.cse2 (< v_thread2Thread1of1ForFork2_j_60 v_N_32))) (or (and (= v_thread2Thread1of1ForFork2_cnt_39 v_thread2Thread1of1ForFork2_cnt_38) .cse2 (not .cse3)) (and .cse3 (= (+ v_thread2Thread1of1ForFork2_cnt_39 1) v_thread2Thread1of1ForFork2_cnt_38) .cse2)))) InVars {A=v_A_39, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_60, N=v_N_32, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_39, B=v_B_47} OutVars{A=v_A_39, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_59, N=v_N_32, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_37, B=v_B_47} AuxVars[v_thread2Thread1of1ForFork2_cnt_38] AssignedVars[thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_cnt] 116#[L67-1, thread1ENTRY, L35]true [2022-09-29 15:02:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,097 INFO L85 PathProgramCache]: Analyzing trace with hash 3135115, now seen corresponding path program 1 times [2022-09-29 15:02:45,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478849694] [2022-09-29 15:02:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,103 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,108 INFO L85 PathProgramCache]: Analyzing trace with hash 189, now seen corresponding path program 1 times [2022-09-29 15:02:45,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086361181] [2022-09-29 15:02:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,115 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash 97188723, now seen corresponding path program 1 times [2022-09-29 15:02:45,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111860805] [2022-09-29 15:02:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,300 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:45,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:45,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:45,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:45,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:45,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,301 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:45,301 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:45,301 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:45,301 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:45,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:45,307 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 15:02:45,309 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 15:02:45,315 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 15:02:45,317 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 15:02:45,400 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 15:02:45,558 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:45,559 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:45,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,564 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 15:02:45,574 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 15:02:45,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:45,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,619 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 15:02:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,621 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 15:02:45,624 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 15:02:45,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,642 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 15:02:45,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,680 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 15:02:45,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,683 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 15:02:45,690 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 15:02:45,690 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 15:02:45,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,744 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 15:02:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,746 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 15:02:45,754 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 15:02:45,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,776 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 15:02:45,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:45,797 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:02:45,797 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:45,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,836 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 15:02:45,838 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 15:02:45,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:45,869 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:45,869 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:45,869 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, thread2Thread1of1ForFork2_j) = 1*N - 1*thread2Thread1of1ForFork2_j Supporting invariants [] [2022-09-29 15:02:45,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:45,896 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,928 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 15:02:45,929 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 15:02:45,930 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 15:02:46,074 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 625 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:46,075 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:46,119 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:46,120 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 15:02:46,124 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 15:02:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 207 transitions. [2022-09-29 15:02:46,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 207 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:46,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:46,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 207 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:46,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:46,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 207 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:46,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:46,128 INFO L428 stractBuchiCegarLoop]: Abstraction has has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:46,129 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,153 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,161 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,162 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,169 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,193 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,206 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,209 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,224 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,225 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,238 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,266 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,278 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,283 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 56 places, 6660 transitions, 47088 flow [2022-09-29 15:02:46,339 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 15:02:46,358 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,358 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:46,358 INFO L123 PetriNetUnfolderBase]: 126/192 cut-off events. [2022-09-29 15:02:46,358 INFO L124 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2022-09-29 15:02:46,359 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:46,359 INFO L733 eck$LassoCheckResult]: Stem: 57#[ULTIMATE.startENTRY]true [70] 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[] 59#[L34]true [127] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 61#[thread1ENTRY, L34-1]true [130] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 114#[thread1ENTRY, thread2ENTRY, L35]true [133] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork3_thidvar2_2 3) (= v_thread3Thread1of1ForFork3_thidvar1_2 3) (= v_thread3Thread1of1ForFork3_thidvar0_2 3)) InVars {} OutVars{thread3Thread1of1ForFork3_thidvar0=v_thread3Thread1of1ForFork3_thidvar0_2, thread3Thread1of1ForFork3_thidvar2=v_thread3Thread1of1ForFork3_thidvar2_2, thread3Thread1of1ForFork3_thidvar1=v_thread3Thread1of1ForFork3_thidvar1_2, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_thidvar0, thread3Thread1of1ForFork3_thidvar2, thread3Thread1of1ForFork3_thidvar1, thread3Thread1of1ForFork3_k] 165#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L36]true [110] thread3ENTRY-->L85-1: Formula: (= v_thread3Thread1of1ForFork3_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_k] 167#[L85-1, thread1ENTRY, thread2ENTRY, L36]true [2022-09-29 15:02:46,359 INFO L735 eck$LassoCheckResult]: Loop: 167#[L85-1, thread1ENTRY, thread2ENTRY, L36]true [154] L85-1-->L85-1: Formula: (and (= v_thread3Thread1of1ForFork3_k_31 (+ v_thread3Thread1of1ForFork3_k_32 1)) (= (store v_B_44 v_thread3Thread1of1ForFork3_k_32 v_thread3Thread1of1ForFork3_k_32) v_B_43) (< v_thread3Thread1of1ForFork3_k_32 v_N_26)) InVars {N=v_N_26, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_32, B=v_B_44} OutVars{N=v_N_26, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_31, B=v_B_43} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_k, B] 167#[L85-1, thread1ENTRY, thread2ENTRY, L36]true [2022-09-29 15:02:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash 97188241, now seen corresponding path program 1 times [2022-09-29 15:02:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750596935] [2022-09-29 15:02:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,365 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash 185, now seen corresponding path program 1 times [2022-09-29 15:02:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028153479] [2022-09-29 15:02:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,380 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1282131671, now seen corresponding path program 1 times [2022-09-29 15:02:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417746298] [2022-09-29 15:02:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,398 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,404 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 15:02:46,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,469 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:46,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:46,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:46,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:46,470 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:46,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:46,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:46,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:02:46,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:46,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:46,477 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 15:02:46,480 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 15:02:46,482 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 15:02:46,485 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 15:02:46,486 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 15:02:46,488 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 15:02:46,496 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 15:02:46,498 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 15:02:46,500 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 15:02:46,502 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 15:02:46,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:46,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:46,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,570 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 15:02:46,582 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 15:02:46,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,595 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 15:02:46,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,633 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 15:02:46,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,635 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 15:02:46,636 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 15:02:46,668 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 15:02:46,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,718 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 15:02:46,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,719 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 15:02:46,724 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 15:02:46,730 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 15:02:46,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,749 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:02:46,751 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 15:02:46,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,775 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:02:46,776 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 15:02:46,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:02:46,826 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 15:02:46,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,880 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:02:46,883 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 15:02:46,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:46,923 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:02:46,924 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-09-29 15:02:46,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,928 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:02:46,936 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:46,954 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:46,954 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:46,954 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork3_k, N) = -1*thread3Thread1of1ForFork3_k + 1*N Supporting invariants [] [2022-09-29 15:02:46,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,976 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:46,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:46,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:46,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:47,000 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:47,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:47,000 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 15:02:47,001 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 15:02:47,001 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 15:02:47,097 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 628 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:47,097 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:47,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-09-29 15:02:48,925 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:48,926 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 15:02:48,930 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 15:02:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2022-09-29 15:02:48,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:48,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:02:48,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 209 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:48,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:48,931 INFO L428 stractBuchiCegarLoop]: Abstraction has has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:48,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:48,932 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:49,393 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:49,781 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:49,794 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:50,183 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:50,292 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:50,660 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:50,676 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:51,118 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,377 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:52,454 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,466 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:53,432 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,692 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:54,591 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:54,686 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:55,611 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:55,630 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:56,410 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:56,423 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:57,285 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:57,514 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:02:59,398 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:59,488 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:01,122 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,134 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:02,818 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:03,555 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:04,271 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:04,284 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:05,089 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,133 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:06,643 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,706 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:08,323 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:08,394 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:09,182 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,192 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:09,869 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:09,885 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:11,501 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:11,519 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:12,284 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:12,300 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:13,022 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:13,064 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:14,417 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:14,434 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:16,008 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:16,025 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:17,556 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:17,967 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:20,749 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:20,763 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 68 places, 112752 transitions, 1024488 flow [2022-09-29 15:03:29,444 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:29,444 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:29,444 INFO L123 PetriNetUnfolderBase]: 936/1167 cut-off events. [2022-09-29 15:03:29,444 INFO L124 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2022-09-29 15:03:29,444 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:29,445 INFO L733 eck$LassoCheckResult]: Stem: 57#[ULTIMATE.startENTRY]true [70] 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[] 59#[L34]true [127] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork1_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork1_i=v_thread1Thread1of1ForFork1_i_14, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_i, thread1Thread1of1ForFork1_thidvar0] 61#[thread1ENTRY, L34-1]true [130] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork2_thidvar1_2) (= 2 v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_j=v_thread2Thread1of1ForFork2_j_20, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_cnt=v_thread2Thread1of1ForFork2_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_j, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_cnt] 114#[thread1ENTRY, thread2ENTRY, L35]true [133] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork3_thidvar2_2 3) (= v_thread3Thread1of1ForFork3_thidvar1_2 3) (= v_thread3Thread1of1ForFork3_thidvar0_2 3)) InVars {} OutVars{thread3Thread1of1ForFork3_thidvar0=v_thread3Thread1of1ForFork3_thidvar0_2, thread3Thread1of1ForFork3_thidvar2=v_thread3Thread1of1ForFork3_thidvar2_2, thread3Thread1of1ForFork3_thidvar1=v_thread3Thread1of1ForFork3_thidvar1_2, thread3Thread1of1ForFork3_k=v_thread3Thread1of1ForFork3_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_thidvar0, thread3Thread1of1ForFork3_thidvar2, thread3Thread1of1ForFork3_thidvar1, thread3Thread1of1ForFork3_k] 165#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L36]true [124] L36-->thread3ENTRY: Formula: (and (= 4 v_thread3Thread1of1ForFork0_thidvar1_2) (= 4 v_thread3Thread1of1ForFork0_thidvar0_2) (= 4 v_thread3Thread1of1ForFork0_thidvar2_2) (= 4 v_thread3Thread1of1ForFork0_thidvar3_2)) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_14, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0] 220#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L37, thread3ENTRY]true [116] thread3ENTRY-->L85-1: Formula: (= v_thread3Thread1of1ForFork0_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k] 222#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L85-1, L37]true [2022-09-29 15:03:29,445 INFO L735 eck$LassoCheckResult]: Loop: 222#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L85-1, L37]true [153] L85-1-->L85-1: Formula: (and (= (store v_B_40 v_thread3Thread1of1ForFork0_k_24 v_thread3Thread1of1ForFork0_k_24) v_B_39) (< v_thread3Thread1of1ForFork0_k_24 v_N_24) (= v_thread3Thread1of1ForFork0_k_23 (+ v_thread3Thread1of1ForFork0_k_24 1))) InVars {N=v_N_24, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_24, B=v_B_40} OutVars{N=v_N_24, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_23, B=v_B_39} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, B] 222#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L85-1, L37]true [2022-09-29 15:03:29,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:29,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1282131275, now seen corresponding path program 1 times [2022-09-29 15:03:29,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:29,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779807666] [2022-09-29 15:03:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:29,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,451 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash 184, now seen corresponding path program 1 times [2022-09-29 15:03:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:29,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246198413] [2022-09-29 15:03:29,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:29,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1091363708, now seen corresponding path program 1 times [2022-09-29 15:03:29,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:29,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609256136] [2022-09-29 15:03:29,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:29,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,468 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:29,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:29,551 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:29,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:29,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:29,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:29,552 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:29,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:29,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:29,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-2modifiers.bpl_BEv2_Iteration4_Lasso [2022-09-29 15:03:29,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:29,552 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:29,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:03:29,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:29,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:29,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:03:29,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-09-29 15:03:29,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,748 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-09-29 15:03:29,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,800 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-09-29 15:03:29,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,838 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-09-29 15:03:29,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:29,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:29,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:29,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,864 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-09-29 15:03:29,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,920 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:29,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:29,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-09-29 15:03:29,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:29,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:29,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:29,977 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:29,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-09-29 15:03:29,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:29,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:29,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:29,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:29,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:29,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:29,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:29,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:30,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:30,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:30,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:30,029 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:30,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:03:30,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:30,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:30,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:30,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:30,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:30,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:30,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-09-29 15:03:30,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:30,064 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:03:30,064 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:03:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:30,066 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:03:30,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-09-29 15:03:30,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:30,094 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:30,095 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:30,095 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_k, N) = -1*thread3Thread1of1ForFork0_k + 1*N Supporting invariants [] [2022-09-29 15:03:30,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:30,122 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:03:30,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:30,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:30,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:30,149 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:30,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:03:30,150 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:03:30,150 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:03:30,244 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 628 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:30,244 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:05:34,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 Received shutdown request... [2022-09-29 15:05:41,266 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:05:41,483 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:05:41,487 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 15:05:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:05:41,497 INFO L202 PluginConnector]: Adding new model map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:05:41 BoogieIcfgContainer [2022-09-29 15:05:41,497 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:05:41,498 INFO L158 Benchmark]: Toolchain (without parser) took 178396.30ms. Allocated memory was 192.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 147.7MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-09-29 15:05:41,498 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:05:41,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.68ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:05:41,498 INFO L158 Benchmark]: Boogie Preprocessor took 13.88ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 145.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:05:41,499 INFO L158 Benchmark]: RCFGBuilder took 236.90ms. Allocated memory is still 192.9MB. Free memory was 145.1MB in the beginning and 164.8MB in the end (delta: -19.7MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2022-09-29 15:05:41,499 INFO L158 Benchmark]: BuchiAutomizer took 178115.37ms. Allocated memory was 192.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 164.8MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-09-29 15:05:41,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.68ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.88ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 145.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 236.90ms. Allocated memory is still 192.9MB. Free memory was 145.1MB in the beginning and 164.8MB in the end (delta: -19.7MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 178115.37ms. Allocated memory was 192.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 164.8MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Decomposition not yet finished - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 178.0s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 133.5s. 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, 545 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 541 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 289 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital63 mio100 ax100 hnf100 lsp118 ukn53 mio100 lsp94 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf128 smp83 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.6s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while BuchiPetriNetCegarLoop was applying stage 0,while ReachableStatesComputation was computing reachable states (1 states constructed, input type BuchiInterpolantAutomatonBouncer). * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6s, 49 PlacesBefore, 32 PlacesAfterwards, 42 TransitionsBefore, 23 TransitionsAfterwards, 828 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 21 TotalNumberOfCompositions, 696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 639, positive: 634, positive conditional: 0, positive unconditional: 634, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 457, positive: 452, positive conditional: 0, positive unconditional: 452, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 457, positive: 448, positive conditional: 0, positive unconditional: 448, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 639, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 457, unknown conditional: 0, unknown unconditional: 457] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-09-29 15:05:41,597 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 !SESSION 2022-09-29 15:02:40.528 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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-update1-2modifiers.bpl Command-line arguments: -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-update1-2modifiers.bpl !ENTRY org.eclipse.osgi 4 0 2022-09-29 15:05:41.784 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653e5e9b9/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653e5e9b9/.metadata/.log.