/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-update1-3modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:48,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:48,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:49,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:49,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:49,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:49,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:49,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:49,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:49,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:49,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:49,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:49,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:49,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:49,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:49,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:49,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:49,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:49,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:49,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:49,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:49,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:49,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:49,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:49,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:02:49,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:49,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:49,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:49,060 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 15:02:49,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:49,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:49,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:49,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:49,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:49,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:49,096 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:49,096 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:49,096 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:49,096 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:49,097 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:49,097 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:49,097 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:49,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:49,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:49,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:49,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:49,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:49,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:49,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:49,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:49,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:49,102 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:49,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:49,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:49,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:49,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:49,340 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:49,341 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:49,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl [2022-09-29 15:02:49,342 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl' [2022-09-29 15:02:49,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:49,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:49,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:49,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:49,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:49,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,394 INFO L137 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:02:49,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:49,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:49,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:49,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:49,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:49,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:49,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:49,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:49,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/1) ... [2022-09-29 15:02:49,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:49,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:49,464 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 15:02:49,474 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 15:02:49,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:02:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:02:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:02:49,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:02:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:02:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:02:49,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:02:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:02:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:02:49,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:49,501 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 15:02:49,539 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:49,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:49,631 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:49,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:49,637 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:49,639 INFO L202 PluginConnector]: Adding new model map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:49 BoogieIcfgContainer [2022-09-29 15:02:49,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:49,640 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:49,640 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:49,643 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:49,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:49,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:49" (1/2) ... [2022-09-29 15:02:49,645 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57c46d85 and model type map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:49, skipping insertion in model container [2022-09-29 15:02:49,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:49,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:49" (2/2) ... [2022-09-29 15:02:49,646 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-3modifiers.bpl [2022-09-29 15:02:49,745 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-09-29 15:02:49,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 160 flow [2022-09-29 15:02:49,808 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:49,809 INFO L123 PetriNetUnfolderBase]: 7/50 cut-off events. [2022-09-29 15:02:49,809 INFO L124 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2022-09-29 15:02:49,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 50 events. 7/50 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 128 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-09-29 15:02:49,815 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 60 transitions, 160 flow [2022-09-29 15:02:49,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 50 transitions, 130 flow [2022-09-29 15:02:49,829 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:49,842 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 50 transitions, 130 flow [2022-09-29 15:02:49,844 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 50 transitions, 130 flow [2022-09-29 15:02:49,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 50 transitions, 130 flow [2022-09-29 15:02:49,865 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:49,866 INFO L123 PetriNetUnfolderBase]: 7/50 cut-off events. [2022-09-29 15:02:49,866 INFO L124 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2022-09-29 15:02:49,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 50 events. 7/50 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 142 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-09-29 15:02:49,870 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2022-09-29 15:02:50,496 INFO L131 LiptonReduction]: Checked pairs total: 1084 [2022-09-29 15:02:50,496 INFO L133 LiptonReduction]: Total number of compositions: 24 [2022-09-29 15:02:50,510 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:50,510 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:50,510 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:50,510 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:50,510 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:50,510 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:50,510 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:50,511 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:50,511 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 39 places, 28 transitions, 86 flow [2022-09-29 15:02:50,515 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 39 places, 28 transitions, 86 flow [2022-09-29 15:02:50,517 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:50,517 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:50,518 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:50,518 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:50,518 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:50,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:50,521 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 39 places, 28 transitions, 86 flow [2022-09-29 15:02:50,524 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 39 places, 28 transitions, 86 flow [2022-09-29 15:02:50,525 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:50,525 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:50,525 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:02:50,525 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:50,525 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:50,530 INFO L733 eck$LassoCheckResult]: Stem: 68#[ULTIMATE.startENTRY]true [71] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 70#[L34]true [140] L34-->thread1ENTRY: Formula: (= 1 v_thread1Thread1of1ForFork2_thidvar0_2) InVars {} OutVars{thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_i] 72#[thread1ENTRY, L34-1]true [96] thread1ENTRY-->L55-1: Formula: (= v_thread1Thread1of1ForFork2_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_i] 74#[L34-1, L55-1]true [2022-09-29 15:02:50,531 INFO L735 eck$LassoCheckResult]: Loop: 74#[L34-1, L55-1]true [170] L55-1-->L55-1: Formula: (and (= v_thread1Thread1of1ForFork2_i_23 (+ v_thread1Thread1of1ForFork2_i_24 1)) (< v_thread1Thread1of1ForFork2_i_24 v_N_32) (= (store v_A_26 v_thread1Thread1of1ForFork2_i_24 (let ((.cse0 (select v_A_26 v_thread1Thread1of1ForFork2_i_24))) (ite (< .cse0 0) 0 .cse0))) v_A_25)) InVars {A=v_A_26, N=v_N_32, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_24} OutVars{A=v_A_25, N=v_N_32, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_23} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork2_i] 74#[L34-1, L55-1]true [2022-09-29 15:02:50,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:50,540 INFO L85 PathProgramCache]: Analyzing trace with hash 102458, now seen corresponding path program 1 times [2022-09-29 15:02:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:50,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395391463] [2022-09-29 15:02:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,604 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:50,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash 201, now seen corresponding path program 1 times [2022-09-29 15:02:50,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:50,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967446644] [2022-09-29 15:02:50,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,637 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:50,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash 3176368, now seen corresponding path program 1 times [2022-09-29 15:02:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:50,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523471220] [2022-09-29 15:02:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:50,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,656 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:50,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:50,763 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:50,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:50,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:50,780 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:50,780 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:50,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:50,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:50,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:50,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-3modifiers.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:50,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:50,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:50,819 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 15:02:50,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:50,890 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:50,894 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:50,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:50,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:50,903 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 15:02:50,911 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 15:02:50,913 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 15:02:50,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:50,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:50,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:50,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:50,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:50,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:50,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:50,963 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 15:02:50,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:50,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:50,965 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 15:02:50,977 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 15:02:50,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:50,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:50,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:50,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:50,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:50,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:50,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:50,988 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 15:02:51,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:51,027 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 15:02:51,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:51,031 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 15:02:51,041 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 15:02:51,045 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 15:02:51,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:51,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:51,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:51,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:51,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:51,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:51,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:51,118 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-09-29 15:02:51,119 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:51,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:51,131 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 15:02:51,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:51,151 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 15:02:51,154 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:51,154 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:51,154 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork2_i, N) = -1*thread1Thread1of1ForFork2_i + 1*N Supporting invariants [] [2022-09-29 15:02:51,180 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 15:02:51,182 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:51,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:51,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:51,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:51,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:51,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:51,255 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 15:02:51,288 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 15:02:51,290 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 15:02:51,508 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 745 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:51,509 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:51,519 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:51,521 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 15:02:51,525 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 15:02:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2022-09-29 15:02:51,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:02:51,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:51,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:51,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:51,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:51,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:51,540 INFO L428 stractBuchiCegarLoop]: Abstraction has has 51 places, 482 transitions, 2450 flow [2022-09-29 15:02:51,540 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:51,540 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 51 places, 482 transitions, 2450 flow [2022-09-29 15:02:51,547 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 51 places, 482 transitions, 2450 flow [2022-09-29 15:02:51,550 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,562 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 51 places, 482 transitions, 2450 flow [2022-09-29 15:02:51,564 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,568 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 51 places, 482 transitions, 2450 flow [2022-09-29 15:02:51,571 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:51,571 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:51,572 INFO L123 PetriNetUnfolderBase]: 20/38 cut-off events. [2022-09-29 15:02:51,572 INFO L124 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2022-09-29 15:02:51,572 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:51,573 INFO L733 eck$LassoCheckResult]: Stem: 68#[ULTIMATE.startENTRY]true [71] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 70#[L34]true [140] L34-->thread1ENTRY: Formula: (= 1 v_thread1Thread1of1ForFork2_thidvar0_2) InVars {} OutVars{thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_i] 72#[thread1ENTRY, L34-1]true [143] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 2) (= v_thread2Thread1of1ForFork3_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_20, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_j, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_cnt] 125#[thread2ENTRY, thread1ENTRY, L35]true [163] thread2ENTRY-->L69-1: Formula: (and (= v_thread2Thread1of1ForFork3_cnt_19 0) (= v_thread2Thread1of1ForFork3_j_35 0)) InVars {} OutVars{thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_35, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_19} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_j, thread2Thread1of1ForFork3_cnt] 127#[thread1ENTRY, L69-1, L35]true [2022-09-29 15:02:51,573 INFO L735 eck$LassoCheckResult]: Loop: 127#[thread1ENTRY, L69-1, L35]true [175] L69-1-->L69-1: Formula: (and (let ((.cse0 (< 0 (select v_A_39 v_thread2Thread1of1ForFork3_j_62))) (.cse1 (< v_thread2Thread1of1ForFork3_j_62 v_N_42))) (or (and .cse0 .cse1 (= v_thread2Thread1of1ForFork3_cnt_38 (+ v_thread2Thread1of1ForFork3_cnt_39 1))) (and (not .cse0) (= v_thread2Thread1of1ForFork3_cnt_39 v_thread2Thread1of1ForFork3_cnt_38) .cse1))) (let ((.cse2 (< 0 (select v_B_71 v_thread2Thread1of1ForFork3_j_62))) (.cse3 (= v_thread2Thread1of1ForFork3_j_61 (+ v_thread2Thread1of1ForFork3_j_62 1)))) (or (and .cse2 (= (+ v_thread2Thread1of1ForFork3_cnt_38 1) v_thread2Thread1of1ForFork3_cnt_37) .cse3) (and (= v_thread2Thread1of1ForFork3_cnt_37 v_thread2Thread1of1ForFork3_cnt_38) (not .cse2) .cse3)))) InVars {A=v_A_39, thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_62, N=v_N_42, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_39, B=v_B_71} OutVars{A=v_A_39, thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_61, N=v_N_42, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_37, B=v_B_71} AuxVars[v_thread2Thread1of1ForFork3_cnt_38] AssignedVars[thread2Thread1of1ForFork3_j, thread2Thread1of1ForFork3_cnt] 127#[thread1ENTRY, L69-1, L35]true [2022-09-29 15:02:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 3177818, now seen corresponding path program 1 times [2022-09-29 15:02:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626631498] [2022-09-29 15:02:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,592 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,604 INFO L85 PathProgramCache]: Analyzing trace with hash 206, now seen corresponding path program 1 times [2022-09-29 15:02:51,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822941394] [2022-09-29 15:02:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,632 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:51,645 INFO L85 PathProgramCache]: Analyzing trace with hash 98512533, now seen corresponding path program 1 times [2022-09-29 15:02:51,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:51,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495883867] [2022-09-29 15:02:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:51,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:51,866 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:51,866 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:51,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:51,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:51,867 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:51,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:51,867 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:51,867 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:51,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-3modifiers.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:51,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:51,867 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:51,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:51,941 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 15:02:51,944 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 15:02:51,947 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 15:02:51,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:52,102 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:52,102 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:52,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:02:52,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:52,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,121 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-09-29 15:02:52,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,155 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-09-29 15:02:52,155 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-09-29 15:02:52,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:52,218 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 15:02:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,220 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 15:02:52,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:52,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:52,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:52,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:52,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:52,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:52,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:52,246 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 15:02:52,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:52,274 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:02:52,274 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:52,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:52,309 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 15:02:52,310 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 15:02:52,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:52,342 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:52,343 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:52,343 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_j, N) = -1*thread2Thread1of1ForFork3_j + 1*N Supporting invariants [] [2022-09-29 15:02:52,371 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 15:02:52,372 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:52,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:52,405 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:52,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:52,408 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:02:52,408 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 15:02:52,546 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 742 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:52,546 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:52,599 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:52,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:02:52,601 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 15:02:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2022-09-29 15:02:52,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 246 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:02:52,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 246 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:52,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 246 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:52,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:52,603 INFO L428 stractBuchiCegarLoop]: Abstraction has has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,603 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:52,603 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,621 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,632 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,634 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,645 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,667 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,687 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,696 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,717 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,721 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,740 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,780 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,800 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,802 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,821 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,842 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,863 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,866 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,938 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,941 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:52,973 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:52,975 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 15:02:52,992 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:53,019 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,026 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 8280 transitions, 58752 flow [2022-09-29 15:02:53,051 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 15:02:53,069 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:53,070 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:53,070 INFO L123 PetriNetUnfolderBase]: 271/361 cut-off events. [2022-09-29 15:02:53,070 INFO L124 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2022-09-29 15:02:53,070 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:53,070 INFO L733 eck$LassoCheckResult]: Stem: 68#[ULTIMATE.startENTRY]true [71] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 70#[L34]true [140] L34-->thread1ENTRY: Formula: (= 1 v_thread1Thread1of1ForFork2_thidvar0_2) InVars {} OutVars{thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_i] 72#[thread1ENTRY, L34-1]true [143] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 2) (= v_thread2Thread1of1ForFork3_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_20, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_j, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_cnt] 125#[thread2ENTRY, thread1ENTRY, L35]true [146] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork4_thidvar0_2 3) (= v_thread3Thread1of1ForFork4_thidvar1_2 3) (= v_thread3Thread1of1ForFork4_thidvar2_2 3)) InVars {} OutVars{thread3Thread1of1ForFork4_k=v_thread3Thread1of1ForFork4_k_14, thread3Thread1of1ForFork4_thidvar0=v_thread3Thread1of1ForFork4_thidvar0_2, thread3Thread1of1ForFork4_thidvar1=v_thread3Thread1of1ForFork4_thidvar1_2, thread3Thread1of1ForFork4_thidvar2=v_thread3Thread1of1ForFork4_thidvar2_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_k, thread3Thread1of1ForFork4_thidvar0, thread3Thread1of1ForFork4_thidvar1, thread3Thread1of1ForFork4_thidvar2] 176#[thread2ENTRY, thread1ENTRY, thread3ENTRY, L36]true [114] thread3ENTRY-->L87-1: Formula: (= v_thread3Thread1of1ForFork4_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork4_k=v_thread3Thread1of1ForFork4_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_k] 178#[thread2ENTRY, thread1ENTRY, L87-1, L36]true [2022-09-29 15:02:53,071 INFO L735 eck$LassoCheckResult]: Loop: 178#[thread2ENTRY, thread1ENTRY, L87-1, L36]true [171] L87-1-->L87-1: Formula: (and (= (store v_B_68 v_thread3Thread1of1ForFork4_k_26 v_thread3Thread1of1ForFork4_k_26) v_B_67) (< v_thread3Thread1of1ForFork4_k_26 v_N_34) (= v_thread3Thread1of1ForFork4_k_25 (+ v_thread3Thread1of1ForFork4_k_26 1))) InVars {N=v_N_34, thread3Thread1of1ForFork4_k=v_thread3Thread1of1ForFork4_k_26, B=v_B_68} OutVars{N=v_N_34, thread3Thread1of1ForFork4_k=v_thread3Thread1of1ForFork4_k_25, B=v_B_67} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_k, B] 178#[thread2ENTRY, thread1ENTRY, L87-1, L36]true [2022-09-29 15:02:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 98511945, now seen corresponding path program 1 times [2022-09-29 15:02:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251461674] [2022-09-29 15:02:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,081 INFO L85 PathProgramCache]: Analyzing trace with hash 202, now seen corresponding path program 1 times [2022-09-29 15:02:53,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226253368] [2022-09-29 15:02:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1241096830, now seen corresponding path program 1 times [2022-09-29 15:02:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:53,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689223323] [2022-09-29 15:02:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:53,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:53,163 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:53,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:53,163 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:53,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:53,164 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:53,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:53,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:53,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-3modifiers.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:02:53,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:53,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:53,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:02:53,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:53,275 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:53,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,283 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:53,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:53,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:53,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:53,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-09-29 15:02:53,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:53,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,344 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:53,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:02:53,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:02:53,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:53,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:53,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:53,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:53,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:53,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:53,379 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:53,390 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:02:53,390 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:02:53,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:53,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:53,392 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:53,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:02:53,394 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:53,422 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:53,422 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:53,422 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork4_k, N) = -1*thread3Thread1of1ForFork4_k + 1*N Supporting invariants [] [2022-09-29 15:02:53,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:53,451 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:02:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:53,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:53,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:53,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:53,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:02:53,483 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:02:53,484 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 15:02:53,584 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 745 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:53,584 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:54,108 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 15:02:55,742 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:02:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:02:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2022-09-29 15:02:55,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:02:55,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:02:55,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 248 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:55,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:55,748 INFO L428 stractBuchiCegarLoop]: Abstraction has has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:55,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:55,749 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:56,249 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:57,061 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:57,081 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:57,843 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:57,897 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:58,715 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:58,732 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:02:59,571 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:00,126 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:01,823 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,874 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:03,356 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:03,512 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:05,172 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:05,188 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:06,887 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:07,046 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:08,689 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:08,707 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:10,373 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:10,555 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:12,199 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:12,218 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:13,938 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:14,613 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:17,833 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:18,100 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:21,162 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:21,364 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:24,414 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:24,432 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:27,545 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:27,560 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:30,646 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:30,668 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:33,851 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:33,910 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:37,024 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:37,042 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:40,091 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:40,137 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:41,665 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:41,680 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:43,191 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:43,247 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:44,760 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:44,779 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:46,297 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:46,475 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:49,071 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:49,111 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:51,749 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:51,764 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:54,377 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:54,621 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:56,974 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:56,989 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:03:59,322 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:59,658 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:02,598 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:02,818 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:05,715 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:06,623 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:09,582 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:10,015 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:12,568 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:12,586 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:15,103 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:15,301 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:21,001 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:21,154 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:24,096 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:24,369 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:30,014 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:30,035 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:32,940 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:32,958 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:35,885 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:36,155 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:41,921 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:41,983 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:47,662 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:47,676 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:04:53,435 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:04:53,456 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 141912 transitions, 1292760 flow [2022-09-29 15:05:07,912 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:05:07,913 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:05:07,913 INFO L123 PetriNetUnfolderBase]: 2111/2517 cut-off events. [2022-09-29 15:05:07,913 INFO L124 PetriNetUnfolderBase]: For 193/193 co-relation queries the response was YES. [2022-09-29 15:05:07,913 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:05:07,913 INFO L733 eck$LassoCheckResult]: Stem: 68#[ULTIMATE.startENTRY]true [71] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 70#[L34]true [140] L34-->thread1ENTRY: Formula: (= 1 v_thread1Thread1of1ForFork2_thidvar0_2) InVars {} OutVars{thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_i=v_thread1Thread1of1ForFork2_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_i] 72#[thread1ENTRY, L34-1]true [143] L34-1-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 2) (= v_thread2Thread1of1ForFork3_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork3_j=v_thread2Thread1of1ForFork3_j_20, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_cnt=v_thread2Thread1of1ForFork3_cnt_12} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_j, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_cnt] 125#[thread2ENTRY, thread1ENTRY, L35]true [146] L35-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork4_thidvar0_2 3) (= v_thread3Thread1of1ForFork4_thidvar1_2 3) (= v_thread3Thread1of1ForFork4_thidvar2_2 3)) InVars {} OutVars{thread3Thread1of1ForFork4_k=v_thread3Thread1of1ForFork4_k_14, thread3Thread1of1ForFork4_thidvar0=v_thread3Thread1of1ForFork4_thidvar0_2, thread3Thread1of1ForFork4_thidvar1=v_thread3Thread1of1ForFork4_thidvar1_2, thread3Thread1of1ForFork4_thidvar2=v_thread3Thread1of1ForFork4_thidvar2_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_k, thread3Thread1of1ForFork4_thidvar0, thread3Thread1of1ForFork4_thidvar1, thread3Thread1of1ForFork4_thidvar2] 176#[thread2ENTRY, thread1ENTRY, thread3ENTRY, L36]true [134] 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] 231#[thread2ENTRY, thread1ENTRY, thread3ENTRY, L37, thread3ENTRY]true [120] thread3ENTRY-->L87-1: Formula: (= v_thread3Thread1of1ForFork0_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k] 233#[L87-1, thread2ENTRY, thread1ENTRY, thread3ENTRY, L37]true [2022-09-29 15:05:07,913 INFO L735 eck$LassoCheckResult]: Loop: 233#[L87-1, thread2ENTRY, thread1ENTRY, thread3ENTRY, L37]true [167] L87-1-->L87-1: Formula: (and (= (store v_B_54 v_thread3Thread1of1ForFork0_k_26 v_thread3Thread1of1ForFork0_k_26) v_B_53) (= v_thread3Thread1of1ForFork0_k_25 (+ v_thread3Thread1of1ForFork0_k_26 1)) (< v_thread3Thread1of1ForFork0_k_26 v_N_24)) InVars {N=v_N_24, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_26, B=v_B_54} OutVars{N=v_N_24, thread3Thread1of1ForFork0_k=v_thread3Thread1of1ForFork0_k_25, B=v_B_53} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_k, B] 233#[L87-1, thread2ENTRY, thread1ENTRY, thread3ENTRY, L37]true [2022-09-29 15:05:07,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:07,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1241096261, now seen corresponding path program 1 times [2022-09-29 15:05:07,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:07,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3772699] [2022-09-29 15:05:07,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:07,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,919 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:07,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash 198, now seen corresponding path program 1 times [2022-09-29 15:05:07,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:07,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044253906] [2022-09-29 15:05:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,926 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:07,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:07,929 INFO L85 PathProgramCache]: Analyzing trace with hash 180721740, now seen corresponding path program 1 times [2022-09-29 15:05:07,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:05:07,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975428882] [2022-09-29 15:05:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:05:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:05:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,934 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:05:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:05:07,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:05:08,020 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:05:08,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:05:08,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:05:08,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:05:08,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:05:08,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:05:08,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:05:08,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-3modifiers.bpl_BEv2_Iteration4_Lasso [2022-09-29 15:05:08,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:05:08,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:05:08,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,035 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,047 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:05:08,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:05:08,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:05:08,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:05:08,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,229 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:05:08,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,257 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:05:08,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,313 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:05:08,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-09-29 15:05:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,343 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:05:08,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:08,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:08,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:08,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-09-29 15:05:08,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:05:08,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,401 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:05:08,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,431 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:05:08,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,480 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-09-29 15:05:08,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-09-29 15:05:08,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,533 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-09-29 15:05:08,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-09-29 15:05:08,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,585 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:05:08,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-09-29 15:05:08,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:08,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:08,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:08,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,635 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 15:05:08,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,637 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 15:05:08,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,659 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 15:05:08,671 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 15:05:08,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,673 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 15:05:08,673 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 15:05:08,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:08,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:08,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:08,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,698 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 15:05:08,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,699 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 15:05:08,700 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 15:05:08,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:05:08,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:05:08,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:05:08,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:05:08,722 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 15:05:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,724 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 15:05:08,724 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 15:05:08,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:05:08,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:05:08,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:05:08,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:05:08,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:05:08,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:05:08,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:05:08,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:05:08,762 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:05:08,762 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:05:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:05:08,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:05:08,767 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 15:05:08,774 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 15:05:08,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:05:08,780 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:05:08,780 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:05:08,780 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_k, N) = -1*thread3Thread1of1ForFork0_k + 1*N Supporting invariants [] [2022-09-29 15:05:08,795 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 15:05:08,796 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:05:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:05:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:08,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:05:08,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:05:08,827 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:05:08,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:05:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:05:08,828 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 15:05:08,828 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 15:05:08,930 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 745 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:05:08,930 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:05:11,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 Received shutdown request... [2022-09-29 15:06:28,874 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 15:06:31,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown