/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/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:18:27,312 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:18:27,384 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:18:27,406 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:18:27,406 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:18:27,407 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:18:27,407 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:18:27,408 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:18:27,408 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:18:27,411 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:18:27,411 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:18:27,411 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:18:27,411 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:18:27,412 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:18:27,413 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:18:27,413 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:18:27,413 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:18:27,413 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:18:27,414 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:18:27,414 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:18:27,414 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:18:27,414 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:18:27,415 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:18:27,415 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:18:27,415 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:18:27,415 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:18:27,416 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:18:27,416 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:18:27,416 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:18:27,416 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:18:27,417 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:18:27,417 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:18:27,417 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:18:27,418 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:18:27,418 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:18:27,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:18:27,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:18:27,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:18:27,608 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:18:27,609 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:18:27,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl [2023-10-12 17:18:27,610 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl' [2023-10-12 17:18:27,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:18:27,638 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:18:27,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:27,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:18:27,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:18:27,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,656 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:18:27,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:27,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:18:27,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:18:27,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:18:27,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:18:27,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:18:27,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:18:27,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:18:27,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/1) ... [2023-10-12 17:18:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:27,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:27,719 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) [2023-10-12 17:18:27,732 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 [2023-10-12 17:18:27,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:18:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:18:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:18:27,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:18:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:18:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:18:27,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:18:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:18:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:18:27,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:18:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:18:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:18:27,767 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:18:27,819 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:18:27,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:18:27,967 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:18:27,989 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:18:27,989 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:18:27,990 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:27 BoogieIcfgContainer [2023-10-12 17:18:27,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:18:27,991 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:18:27,991 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:18:27,994 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:18:27,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:27,994 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:27" (1/2) ... [2023-10-12 17:18:27,995 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75323597 and model type map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:18:27, skipping insertion in model container [2023-10-12 17:18:27,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:27,996 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:27" (2/2) ... [2023-10-12 17:18:27,996 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update2.bpl [2023-10-12 17:18:28,040 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:18:28,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 94 flow [2023-10-12 17:18:28,112 INFO L124 PetriNetUnfolderBase]: 3/29 cut-off events. [2023-10-12 17:18:28,112 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:18:28,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:18:28,115 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 94 flow [2023-10-12 17:18:28,118 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 29 transitions, 76 flow [2023-10-12 17:18:28,120 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:18:28,130 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 76 flow [2023-10-12 17:18:28,131 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 76 flow [2023-10-12 17:18:28,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 76 flow [2023-10-12 17:18:28,137 INFO L124 PetriNetUnfolderBase]: 3/29 cut-off events. [2023-10-12 17:18:28,137 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:18:28,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:18:28,138 INFO L119 LiptonReduction]: Number of co-enabled transitions 316 [2023-10-12 17:18:28,508 INFO L134 LiptonReduction]: Checked pairs total: 229 [2023-10-12 17:18:28,509 INFO L136 LiptonReduction]: Total number of compositions: 11 [2023-10-12 17:18:28,517 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:18:28,517 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:18:28,517 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:18:28,517 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:18:28,518 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:18:28,518 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:18:28,518 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:18:28,518 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:18:28,518 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 places, 18 transitions, 54 flow [2023-10-12 17:18:28,521 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:28,521 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:28,521 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:28,521 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:28,523 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:18:28,523 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 places, 18 transitions, 54 flow [2023-10-12 17:18:28,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:28,524 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:28,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:28,524 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:28,526 INFO L748 eck$LassoCheckResult]: Stem: 43#[$Ultimate##0]true [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 45#[L34]true [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 47#[L34-1, $Ultimate##0]true [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 49#[L51-1, L34-1]true [2023-10-12 17:18:28,527 INFO L750 eck$LassoCheckResult]: Loop: 49#[L51-1, L34-1]true [129] L51-1-->L51-1: Formula: (and (= (store v_A_30 v_thread1Thread1of1ForFork0_i_22 (let ((.cse0 (select v_A_30 v_thread1Thread1of1ForFork0_i_22))) (ite (< .cse0 0) 0 .cse0))) v_A_29) (= (+ v_thread1Thread1of1ForFork0_i_22 1) v_thread1Thread1of1ForFork0_i_21) (< v_thread1Thread1of1ForFork0_i_22 v_N_22)) InVars {A=v_A_30, N=v_N_22, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_22} OutVars{A=v_A_29, N=v_N_22, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_21} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 49#[L51-1, L34-1]true [2023-10-12 17:18:28,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:28,530 INFO L85 PathProgramCache]: Analyzing trace with hash 114943, now seen corresponding path program 1 times [2023-10-12 17:18:28,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:28,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058534642] [2023-10-12 17:18:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:28,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:28,599 INFO L85 PathProgramCache]: Analyzing trace with hash 160, now seen corresponding path program 1 times [2023-10-12 17:18:28,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:28,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456948114] [2023-10-12 17:18:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:28,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash 3563362, now seen corresponding path program 1 times [2023-10-12 17:18:28,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:28,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649502580] [2023-10-12 17:18:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:28,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:28,686 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:28,686 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:28,686 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:28,686 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:28,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:28,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:28,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:28,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:18:28,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:28,687 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:28,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:28,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:28,748 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:28,750 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:28,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:28,754 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) [2023-10-12 17:18:28,754 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 [2023-10-12 17:18:28,757 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 [2023-10-12 17:18:28,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:28,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:28,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:28,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:28,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:28,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:28,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:28,787 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 [2023-10-12 17:18:28,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:28,801 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) [2023-10-12 17:18:28,803 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 [2023-10-12 17:18:28,804 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 [2023-10-12 17:18:28,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:28,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:28,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:28,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:28,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:28,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:28,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:28,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:28,831 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 [2023-10-12 17:18:28,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:28,832 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) [2023-10-12 17:18:28,849 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 [2023-10-12 17:18:28,849 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 [2023-10-12 17:18:28,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:28,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:28,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:28,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:28,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:28,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:28,876 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:28,883 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:18:28,884 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:18:28,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:28,887 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) [2023-10-12 17:18:28,889 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 [2023-10-12 17:18:28,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:28,962 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:28,962 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:28,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:18:28,971 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 [2023-10-12 17:18:28,973 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:18:28,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:28,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:28,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:29,003 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:29,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:29,036 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 [2023-10-12 17:18:29,037 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. 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) [2023-10-12 17:18:29,132 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. 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 5 states and 270 transitions. [2023-10-12 17:18:29,133 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:29,135 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:29,136 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 [2023-10-12 17:18:29,139 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) [2023-10-12 17:18:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 134 transitions. [2023-10-12 17:18:29,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:18:29,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:29,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:18:29,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:29,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:18:29,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:29,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 204 transitions, 1020 flow [2023-10-12 17:18:29,199 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 [2023-10-12 17:18:29,223 INFO L124 PetriNetUnfolderBase]: 369/535 cut-off events. [2023-10-12 17:18:29,223 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2023-10-12 17:18:29,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1194 conditions, 535 events. 369/535 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1691 event pairs, 4 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 1005. Up to 168 conditions per place. [2023-10-12 17:18:29,224 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 35 places, 204 transitions, 1020 flow [2023-10-12 17:18:29,227 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 35 places, 204 transitions, 1020 flow [2023-10-12 17:18:29,227 INFO L430 stractBuchiCegarLoop]: Abstraction has has 35 places, 204 transitions, 1020 flow [2023-10-12 17:18:29,227 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:18:29,227 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 35 places, 204 transitions, 1020 flow [2023-10-12 17:18:29,232 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:29,232 INFO L124 PetriNetUnfolderBase]: 44/67 cut-off events. [2023-10-12 17:18:29,232 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-10-12 17:18:29,232 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:29,233 INFO L748 eck$LassoCheckResult]: Stem: 43#[$Ultimate##0]true [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 45#[L34]true [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 47#[L34-1, $Ultimate##0]true [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 98#[$Ultimate##0, $Ultimate##0, L35]true [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 100#[L51-1, $Ultimate##0, L35]true [126] $Ultimate##0-->L65-1: Formula: (and (= v_thread2Thread1of1ForFork1_j_25 0) (= (+ v_thread2Thread1of1ForFork1_pos_23 1) 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_25, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 102#[L51-1, L65-1, L35]true [128] L65-1-->L65-1: Formula: (and (let ((.cse0 (select v_A_23 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2_pos_24) (< 0 .cse0)) (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_26) (<= .cse0 0)))) (= v_thread2Thread1of1ForFork1_j_27 (+ v_thread2Thread1of1ForFork1_j_28 1)) (let ((.cse1 (select v_B_27 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_25) (<= .cse1 0)) (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2Thread1of1ForFork1_pos_25) (< 0 .cse1)))) (< v_thread2Thread1of1ForFork1_j_28 v_N_18)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_28, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_26, B=v_B_27} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_27, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_25, B=v_B_27} AuxVars[v_thread2_pos_24] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 102#[L51-1, L65-1, L35]true [2023-10-12 17:18:29,233 INFO L750 eck$LassoCheckResult]: Loop: 102#[L51-1, L65-1, L35]true [128] L65-1-->L65-1: Formula: (and (let ((.cse0 (select v_A_23 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2_pos_24) (< 0 .cse0)) (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_26) (<= .cse0 0)))) (= v_thread2Thread1of1ForFork1_j_27 (+ v_thread2Thread1of1ForFork1_j_28 1)) (let ((.cse1 (select v_B_27 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_25) (<= .cse1 0)) (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2Thread1of1ForFork1_pos_25) (< 0 .cse1)))) (< v_thread2Thread1of1ForFork1_j_28 v_N_18)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_28, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_26, B=v_B_27} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_27, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_25, B=v_B_27} AuxVars[v_thread2_pos_24] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 102#[L51-1, L65-1, L35]true [128] L65-1-->L65-1: Formula: (and (let ((.cse0 (select v_A_23 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2_pos_24) (< 0 .cse0)) (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_26) (<= .cse0 0)))) (= v_thread2Thread1of1ForFork1_j_27 (+ v_thread2Thread1of1ForFork1_j_28 1)) (let ((.cse1 (select v_B_27 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_25) (<= .cse1 0)) (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2Thread1of1ForFork1_pos_25) (< 0 .cse1)))) (< v_thread2Thread1of1ForFork1_j_28 v_N_18)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_28, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_26, B=v_B_27} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_27, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_25, B=v_B_27} AuxVars[v_thread2_pos_24] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 102#[L51-1, L65-1, L35]true [2023-10-12 17:18:29,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash -869896797, now seen corresponding path program 1 times [2023-10-12 17:18:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:29,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789977767] [2023-10-12 17:18:29,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:29,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:29,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash 5057, now seen corresponding path program 1 times [2023-10-12 17:18:29,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:29,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164346473] [2023-10-12 17:18:29,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:29,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:29,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1547804899, now seen corresponding path program 2 times [2023-10-12 17:18:29,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:29,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526456201] [2023-10-12 17:18:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:29,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:29,692 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:29,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:29,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:29,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:29,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:29,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:29,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:29,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:29,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:18:29,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:29,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:29,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:29,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:29,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:29,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:29,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:30,026 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-10-12 17:18:30,292 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:30,292 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:30,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:30,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:30,297 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) [2023-10-12 17:18:30,299 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 [2023-10-12 17:18:30,301 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 [2023-10-12 17:18:30,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:30,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:30,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:30,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:30,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:30,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:30,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:30,335 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 [2023-10-12 17:18:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:30,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:30,337 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) [2023-10-12 17:18:30,339 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 [2023-10-12 17:18:30,340 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 [2023-10-12 17:18:30,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:30,346 INFO L203 nArgumentSynthesizer]: 3 stem disjuncts [2023-10-12 17:18:30,346 INFO L204 nArgumentSynthesizer]: 5 loop disjuncts [2023-10-12 17:18:30,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:30,411 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2023-10-12 17:18:30,412 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2023-10-12 17:18:30,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:30,856 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2023-10-12 17:18:30,856 INFO L444 ModelExtractionUtils]: 85 out of 122 variables were initially zero. Simplification set additionally 34 variables to zero. [2023-10-12 17:18:30,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:30,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:30,858 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) [2023-10-12 17:18:30,860 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 [2023-10-12 17:18:30,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:30,887 INFO L438 nArgumentSynthesizer]: Removed 10 redundant supporting invariants from a total of 10. [2023-10-12 17:18:30,887 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:30,888 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2023-10-12 17:18:30,896 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 [2023-10-12 17:18:30,899 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:30,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:30,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:30,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:30,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:30,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:30,934 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:18:30,934 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-10-12 17:18:31,035 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 7 states and 355 transitions. [2023-10-12 17:18:31,035 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:31,058 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:31,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-10-12 17:18:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 175 transitions. [2023-10-12 17:18:31,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 175 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:18:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:31,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 175 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:18:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:31,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 175 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:18:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:31,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 3048 transitions, 21336 flow [2023-10-12 17:18:31,214 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 [2023-10-12 17:18:31,248 INFO L124 PetriNetUnfolderBase]: 1372/1935 cut-off events. [2023-10-12 17:18:31,248 INFO L125 PetriNetUnfolderBase]: For 356/356 co-relation queries the response was YES. [2023-10-12 17:18:31,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6206 conditions, 1935 events. 1372/1935 cut-off events. For 356/356 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7730 event pairs, 6 based on Foata normal form. 0/1102 useless extension candidates. Maximal degree in co-relation 5678. Up to 659 conditions per place. [2023-10-12 17:18:31,251 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 49 places, 3048 transitions, 21336 flow [2023-10-12 17:18:31,271 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 49 places, 3048 transitions, 21336 flow [2023-10-12 17:18:31,271 INFO L430 stractBuchiCegarLoop]: Abstraction has has 49 places, 3048 transitions, 21336 flow [2023-10-12 17:18:31,271 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:18:31,272 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49 places, 3048 transitions, 21336 flow [2023-10-12 17:18:31,283 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:31,283 INFO L124 PetriNetUnfolderBase]: 66/107 cut-off events. [2023-10-12 17:18:31,283 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-10-12 17:18:31,283 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:31,284 INFO L748 eck$LassoCheckResult]: Stem: 43#[$Ultimate##0]true [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 45#[L34]true [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 47#[L34-1, $Ultimate##0]true [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 98#[$Ultimate##0, $Ultimate##0, L35]true [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 100#[L51-1, $Ultimate##0, L35]true [115] L35-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 171#[L51-1, $Ultimate##0, L36, $Ultimate##0]true [101] $Ultimate##0-->L85-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 173#[L51-1, $Ultimate##0, L85-1, L36]true [127] L85-1-->L85-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 (+ v_thread3Thread1of1ForFork2_k_26 1)) (< v_thread3Thread1of1ForFork2_k_26 v_N_16) (= v_B_23 (store v_B_24 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26))) InVars {N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_24} OutVars{N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_23} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 173#[L51-1, $Ultimate##0, L85-1, L36]true [2023-10-12 17:18:31,284 INFO L750 eck$LassoCheckResult]: Loop: 173#[L51-1, $Ultimate##0, L85-1, L36]true [127] L85-1-->L85-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 (+ v_thread3Thread1of1ForFork2_k_26 1)) (< v_thread3Thread1of1ForFork2_k_26 v_N_16) (= v_B_23 (store v_B_24 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26))) InVars {N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_24} OutVars{N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_23} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 173#[L51-1, $Ultimate##0, L85-1, L36]true [127] L85-1-->L85-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 (+ v_thread3Thread1of1ForFork2_k_26 1)) (< v_thread3Thread1of1ForFork2_k_26 v_N_16) (= v_B_23 (store v_B_24 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26))) InVars {N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_24} OutVars{N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_23} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 173#[L51-1, $Ultimate##0, L85-1, L36]true [2023-10-12 17:18:31,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1197008212, now seen corresponding path program 1 times [2023-10-12 17:18:31,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:31,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017421136] [2023-10-12 17:18:31,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:31,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:31,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash 5025, now seen corresponding path program 1 times [2023-10-12 17:18:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:31,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936079425] [2023-10-12 17:18:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:31,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash 726347660, now seen corresponding path program 2 times [2023-10-12 17:18:31,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:31,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58666481] [2023-10-12 17:18:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:31,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:31,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:31,391 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:31,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:31,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:31,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:31,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:31,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:31,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:31,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:18:31,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:31,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:31,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:31,491 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:31,491 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,517 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) [2023-10-12 17:18:31,532 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 [2023-10-12 17:18:31,533 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 [2023-10-12 17:18:31,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:31,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:31,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:31,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,571 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 [2023-10-12 17:18:31,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,585 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) [2023-10-12 17:18:31,599 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 [2023-10-12 17:18:31,599 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 [2023-10-12 17:18:31,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,637 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 [2023-10-12 17:18:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,639 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) [2023-10-12 17:18:31,642 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 [2023-10-12 17:18:31,643 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 [2023-10-12 17:18:31,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,669 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 [2023-10-12 17:18:31,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,670 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) [2023-10-12 17:18:31,672 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 [2023-10-12 17:18:31,673 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 [2023-10-12 17:18:31,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,719 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 [2023-10-12 17:18:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,720 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) [2023-10-12 17:18:31,764 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 [2023-10-12 17:18:31,764 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 [2023-10-12 17:18:31,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,781 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 [2023-10-12 17:18:31,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,782 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) [2023-10-12 17:18:31,784 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 [2023-10-12 17:18:31,786 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 [2023-10-12 17:18:31,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,798 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 [2023-10-12 17:18:31,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,813 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) [2023-10-12 17:18:31,815 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 [2023-10-12 17:18:31,817 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 [2023-10-12 17:18:31,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,828 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 [2023-10-12 17:18:31,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,829 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) [2023-10-12 17:18:31,831 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 [2023-10-12 17:18:31,833 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 [2023-10-12 17:18:31,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:31,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:31,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:31,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,843 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) [2023-10-12 17:18:31,844 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 [2023-10-12 17:18:31,846 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 [2023-10-12 17:18:31,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-10-12 17:18:31,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,874 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) [2023-10-12 17:18:31,876 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 [2023-10-12 17:18:31,877 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 [2023-10-12 17:18:31,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:31,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:31,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:31,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:31,913 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 [2023-10-12 17:18:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,915 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) [2023-10-12 17:18:31,916 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 [2023-10-12 17:18:31,918 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 [2023-10-12 17:18:31,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:31,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:31,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:31,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:31,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:31,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:31,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:31,962 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:18:31,962 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:18:31,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:31,985 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) [2023-10-12 17:18:31,992 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:31,999 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:31,999 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:31,999 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2023-10-12 17:18:32,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-10-12 17:18:32,004 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 [2023-10-12 17:18:32,009 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:32,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:32,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:32,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:32,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:32,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:32,053 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:18:32,053 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-10-12 17:18:32,157 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 7 states and 358 transitions. [2023-10-12 17:18:32,157 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:32,303 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 [2023-10-12 17:18:32,429 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-10-12 17:18:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 178 transitions. [2023-10-12 17:18:32,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 178 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:18:32,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:32,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 178 transitions. Stem has 9 letters. Loop has 2 letters. [2023-10-12 17:18:32,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:32,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 178 transitions. Stem has 7 letters. Loop has 4 letters. [2023-10-12 17:18:32,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:32,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 45312 transitions, 407808 flow [2023-10-12 17:18:38,680 INFO L124 PetriNetUnfolderBase]: 4401/6167 cut-off events. [2023-10-12 17:18:38,681 INFO L125 PetriNetUnfolderBase]: For 1257/1257 co-relation queries the response was YES. [2023-10-12 17:18:38,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25597 conditions, 6167 events. 4401/6167 cut-off events. For 1257/1257 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 29944 event pairs, 38 based on Foata normal form. 0/3261 useless extension candidates. Maximal degree in co-relation 23417. Up to 2193 conditions per place. [2023-10-12 17:18:38,690 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 63 places, 45312 transitions, 407808 flow [2023-10-12 17:18:39,080 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 63 places, 45312 transitions, 407808 flow [2023-10-12 17:18:39,081 INFO L430 stractBuchiCegarLoop]: Abstraction has has 63 places, 45312 transitions, 407808 flow [2023-10-12 17:18:39,081 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:18:39,081 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 places, 45312 transitions, 407808 flow [2023-10-12 17:18:46,227 INFO L124 PetriNetUnfolderBase]: 4401/6167 cut-off events. [2023-10-12 17:18:46,227 INFO L125 PetriNetUnfolderBase]: For 1257/1257 co-relation queries the response was YES. [2023-10-12 17:18:46,227 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:18:46,236 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:18:46 BoogieIcfgContainer [2023-10-12 17:18:46,237 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:18:46,238 INFO L158 Benchmark]: Toolchain (without parser) took 18599.16ms. Allocated memory was 187.7MB in the beginning and 980.4MB in the end (delta: 792.7MB). Free memory was 141.5MB in the beginning and 284.5MB in the end (delta: -143.0MB). Peak memory consumption was 683.9MB. Max. memory is 8.0GB. [2023-10-12 17:18:46,238 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 187.7MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:18:46,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.24ms. Allocated memory is still 187.7MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:18:46,240 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 187.7MB. Free memory was 140.0MB in the beginning and 138.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:18:46,244 INFO L158 Benchmark]: RCFGBuilder took 312.05ms. Allocated memory is still 187.7MB. Free memory was 138.7MB in the beginning and 127.1MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:18:46,244 INFO L158 Benchmark]: BuchiAutomizer took 18245.37ms. Allocated memory was 187.7MB in the beginning and 980.4MB in the end (delta: 792.7MB). Free memory was 127.1MB in the beginning and 284.5MB in the end (delta: -157.3MB). Peak memory consumption was 669.2MB. Max. memory is 8.0GB. [2023-10-12 17:18:46,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23ms. Allocated memory is still 187.7MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.24ms. Allocated memory is still 187.7MB. Free memory was 141.5MB in the beginning and 140.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 187.7MB. Free memory was 140.0MB in the beginning and 138.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 312.05ms. Allocated memory is still 187.7MB. Free memory was 138.7MB in the beginning and 127.1MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 18245.37ms. Allocated memory was 187.7MB in the beginning and 980.4MB in the end (delta: 792.7MB). Free memory was 127.1MB in the beginning and 284.5MB in the end (delta: -157.3MB). Peak memory consumption was 669.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.1s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 337 mSDsluCounter, 310 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 129 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 384 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 181 mSDtfsCounter, 384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax100 hnf100 lsp307 ukn32 mio100 lsp95 div100 bol100 ite100 ukn100 eq152 hnf94 smp100 dnf180 smp80 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 551ms VariablesStem: 8 VariablesLoop: 9 DisjunctsStem: 3 DisjunctsLoop: 5 SupportingInvariants: 10 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 36 PlacesBefore, 25 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 167, unknown conditional: 0, unknown unconditional: 167] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:18:46,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...