/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:50:34,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:50:34,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:50:34,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:50:34,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:50:34,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:50:34,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:50:34,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:50:34,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:50:34,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:50:34,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:50:34,437 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:50:34,437 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:50:34,438 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:50:34,438 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:50:34,438 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:50:34,438 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:50:34,438 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:50:34,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:50:34,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:50:34,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:50:34,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:50:34,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:50:34,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:50:34,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:50:34,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:50:34,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:50:34,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:50:34,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:50:34,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:50:34,442 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:50:34,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:50:34,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:50:34,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:50:34,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:50:34,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:50:34,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:50:34,443 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:50:34,443 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2024-02-09 23:50:34,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:50:34,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:50:34,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:50:34,713 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:50:34,713 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:50:34,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2024-02-09 23:50:34,715 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2024-02-09 23:50:34,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:50:34,736 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:50:34,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:50:34,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:50:34,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:50:34,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,759 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:50:34,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:50:34,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:50:34,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:50:34,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:50:34,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:50:34,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:50:34,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:50:34,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:50:34,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/1) ... [2024-02-09 23:50:34,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:34,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:34,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:50:34,851 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 [2024-02-09 23:50:34,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-02-09 23:50:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-09 23:50:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-09 23:50:34,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-02-09 23:50:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-09 23:50:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-09 23:50:34,884 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-02-09 23:50:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-09 23:50:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-09 23:50:34,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:50:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:50:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:50:34,886 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:50:34,931 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:50:34,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:50:35,012 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:50:35,017 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:50:35,017 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-09 23:50:35,018 INFO L201 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:50:35 BoogieIcfgContainer [2024-02-09 23:50:35,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:50:35,019 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:50:35,019 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:50:35,022 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:50:35,022 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:50:35,023 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:50:34" (1/2) ... [2024-02-09 23:50:35,024 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3822a657 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:50:35, skipping insertion in model container [2024-02-09 23:50:35,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:50:35,024 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:50:35" (2/2) ... [2024-02-09 23:50:35,025 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1.bpl [2024-02-09 23:50:35,071 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-09 23:50:35,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 101 flow [2024-02-09 23:50:35,107 INFO L124 PetriNetUnfolderBase]: 5/34 cut-off events. [2024-02-09 23:50:35,108 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-09 23:50:35,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2024-02-09 23:50:35,112 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 101 flow [2024-02-09 23:50:35,115 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2024-02-09 23:50:35,121 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:50:35,121 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:50:35,121 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:50:35,121 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:50:35,121 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:50:35,121 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:50:35,121 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:50:35,121 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-09 23:50:35,122 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 places, 34 transitions, 86 flow [2024-02-09 23:50:35,126 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:35,126 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-02-09 23:50:35,126 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:50:35,126 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:35,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:50:35,129 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 places, 34 transitions, 86 flow [2024-02-09 23:50:35,131 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:35,131 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-02-09 23:50:35,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-09 23:50:35,131 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:35,135 INFO L748 eck$LassoCheckResult]: Stem: 46#[$Ultimate##0]true [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->$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] 50#[L34-1, $Ultimate##0]true [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 52#[L51-1, L34-1]true [2024-02-09 23:50:35,135 INFO L750 eck$LassoCheckResult]: Loop: 52#[L51-1, L34-1]true [90] L51-1-->L52: Formula: (< v_thread1Thread1of1ForFork0_i_5 v_N_1) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_5, N=v_N_1} AuxVars[] AssignedVars[] 55#[L52, L34-1]true [92] L52-->L53: Formula: (= v_A_1 (store v_A_2 v_thread1Thread1of1ForFork0_i_7 (let ((.cse0 (select v_A_2 v_thread1Thread1of1ForFork0_i_7))) (ite (< .cse0 0) 0 .cse0)))) InVars {A=v_A_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} OutVars{A=v_A_1, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_7} AuxVars[] AssignedVars[A] 57#[L34-1, L53]true [93] L53-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_10 (+ v_thread1Thread1of1ForFork0_i_9 1)) InVars {thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_9} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 52#[L51-1, L34-1]true [2024-02-09 23:50:35,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:35,139 INFO L85 PathProgramCache]: Analyzing trace with hash 113176, now seen corresponding path program 1 times [2024-02-09 23:50:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:35,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360815110] [2024-02-09 23:50:35,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:35,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:35,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash 119226, now seen corresponding path program 1 times [2024-02-09 23:50:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012311413] [2024-02-09 23:50:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:35,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:35,237 INFO L85 PathProgramCache]: Analyzing trace with hash -923251645, now seen corresponding path program 1 times [2024-02-09 23:50:35,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:35,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535916813] [2024-02-09 23:50:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:35,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:35,371 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:50:35,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:50:35,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:50:35,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:50:35,372 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:50:35,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:35,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:50:35,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:50:35,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:50:35,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:50:35,372 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:50:35,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:35,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:35,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:50:35,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:50:35,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:35,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:35,476 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) [2024-02-09 23:50:35,480 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 [2024-02-09 23:50:35,481 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 [2024-02-09 23:50:35,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:35,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:35,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:35,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:35,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:35,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:35,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:35,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:35,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-09 23:50:35,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:35,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:35,500 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) [2024-02-09 23:50:35,503 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 [2024-02-09 23:50:35,504 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 [2024-02-09 23:50:35,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:35,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:35,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:35,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:35,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:35,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:35,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:50:35,560 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-09 23:50:35,560 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-02-09 23:50:35,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:35,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:35,564 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) [2024-02-09 23:50:35,565 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 [2024-02-09 23:50:35,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:50:35,574 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:50:35,575 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:50:35,575 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2024-02-09 23:50:35,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-09 23:50:35,583 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:50:35,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:35,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:50:35,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:35,630 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:50:35,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:50:35,723 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 [2024-02-09 23:50:35,728 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 [2024-02-09 23:50:35,732 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:35,897 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 504 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:50:35,898 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:50:35,899 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:50:35,905 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:50:35,906 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:50:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:50:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:50:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2024-02-09 23:50:35,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 3 letters. Loop has 3 letters. [2024-02-09 23:50:35,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:35,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 6 letters. Loop has 3 letters. [2024-02-09 23:50:35,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:35,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 3 letters. Loop has 6 letters. [2024-02-09 23:50:35,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:35,926 INFO L428 stractBuchiCegarLoop]: Abstraction has has 57 places, 852 transitions, 3846 flow [2024-02-09 23:50:35,926 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:50:35,927 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 57 places, 852 transitions, 3846 flow [2024-02-09 23:50:36,072 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:36,072 INFO L124 PetriNetUnfolderBase]: 444/614 cut-off events. [2024-02-09 23:50:36,072 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-02-09 23:50:36,072 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:36,073 INFO L748 eck$LassoCheckResult]: Stem: 46#[$Ultimate##0]true [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->$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] 50#[L34-1, $Ultimate##0]true [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 123#[$Ultimate##0, $Ultimate##0, L35]true [120] L35-->$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] 125#[$Ultimate##0, $Ultimate##0, L36, $Ultimate##0]true [106] $Ultimate##0-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 127#[$Ultimate##0, L83-1, $Ultimate##0, L36]true [108] L83-1-->L84: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 129#[$Ultimate##0, $Ultimate##0, L36, L84]true [110] L84-->L85: Formula: (= v_B_3 (store v_B_4 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 131#[L85, $Ultimate##0, $Ultimate##0, L36]true [111] L85-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_10 (+ v_thread3Thread1of1ForFork2_k_9 1)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_9} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 127#[$Ultimate##0, L83-1, $Ultimate##0, L36]true [2024-02-09 23:50:36,074 INFO L750 eck$LassoCheckResult]: Loop: 127#[$Ultimate##0, L83-1, $Ultimate##0, L36]true [108] L83-1-->L84: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 129#[$Ultimate##0, $Ultimate##0, L36, L84]true [110] L84-->L85: Formula: (= v_B_3 (store v_B_4 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 131#[L85, $Ultimate##0, $Ultimate##0, L36]true [111] L85-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_10 (+ v_thread3Thread1of1ForFork2_k_9 1)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_9} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 127#[$Ultimate##0, L83-1, $Ultimate##0, L36]true [108] L83-1-->L84: Formula: (< v_thread3Thread1of1ForFork2_k_5 v_N_5) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_5, N=v_N_5} AuxVars[] AssignedVars[] 129#[$Ultimate##0, $Ultimate##0, L36, L84]true [110] L84-->L85: Formula: (= v_B_3 (store v_B_4 v_thread3Thread1of1ForFork2_k_7 v_thread3Thread1of1ForFork2_k_7)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_4} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_7, B=v_B_3} AuxVars[] AssignedVars[B] 131#[L85, $Ultimate##0, $Ultimate##0, L36]true [111] L85-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_10 (+ v_thread3Thread1of1ForFork2_k_9 1)) InVars {thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_9} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_10} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 127#[$Ultimate##0, L83-1, $Ultimate##0, L36]true [2024-02-09 23:50:36,075 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:36,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1623181850, now seen corresponding path program 1 times [2024-02-09 23:50:36,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:36,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253107281] [2024-02-09 23:50:36,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:36,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:36,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:36,104 INFO L85 PathProgramCache]: Analyzing trace with hash -210513887, now seen corresponding path program 1 times [2024-02-09 23:50:36,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:36,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753945934] [2024-02-09 23:50:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:36,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash 518735430, now seen corresponding path program 2 times [2024-02-09 23:50:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:36,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099488739] [2024-02-09 23:50:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:36,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:36,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:36,285 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:50:36,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:50:36,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:50:36,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:50:36,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:50:36,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:50:36,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:50:36,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:50:36,285 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:50:36,285 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:50:36,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:36,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:50:36,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:50:36,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:36,465 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) [2024-02-09 23:50:36,468 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 [2024-02-09 23:50:36,472 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 [2024-02-09 23:50:36,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:36,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:36,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:36,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:36,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:36,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:36,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:36,505 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 [2024-02-09 23:50:36,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:36,506 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) [2024-02-09 23:50:36,511 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 [2024-02-09 23:50:36,511 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 [2024-02-09 23:50:36,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:36,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:36,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:36,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:36,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:36,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:36,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:36,540 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 [2024-02-09 23:50:36,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:36,542 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) [2024-02-09 23:50:36,552 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 [2024-02-09 23:50:36,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:36,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:36,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:36,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:36,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:36,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:36,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:36,563 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 [2024-02-09 23:50:36,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:36,580 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 [2024-02-09 23:50:36,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:36,581 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) [2024-02-09 23:50:36,583 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 [2024-02-09 23:50:36,583 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 [2024-02-09 23:50:36,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:36,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:36,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:36,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:36,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:36,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:36,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:50:36,625 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:50:36,625 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-02-09 23:50:36,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:36,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:36,627 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) [2024-02-09 23:50:36,633 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 [2024-02-09 23:50:36,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:50:36,649 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:50:36,649 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:50:36,649 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2024-02-09 23:50:36,655 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 [2024-02-09 23:50:36,660 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:50:36,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:36,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:50:36,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:36,699 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 [2024-02-09 23:50:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:36,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-09 23:50:36,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:50:36,751 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-02-09 23:50:36,751 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-02-09 23:50:36,840 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 8 states and 466 transitions.5 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:50:36,840 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:50:36,840 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:50:36,928 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:50:36,929 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:50:36,931 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 [2024-02-09 23:50:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-02-09 23:50:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 154 transitions. [2024-02-09 23:50:36,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 8 letters. Loop has 6 letters. [2024-02-09 23:50:36,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:36,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 14 letters. Loop has 6 letters. [2024-02-09 23:50:36,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:36,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 154 transitions. Stem has 8 letters. Loop has 12 letters. [2024-02-09 23:50:36,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:36,936 INFO L428 stractBuchiCegarLoop]: Abstraction has has 73 places, 19720 transitions, 128052 flow [2024-02-09 23:50:36,936 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:50:36,937 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 73 places, 19720 transitions, 128052 flow [2024-02-09 23:50:37,924 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:50:37,925 INFO L124 PetriNetUnfolderBase]: 3253/3992 cut-off events. [2024-02-09 23:50:37,925 INFO L125 PetriNetUnfolderBase]: For 309/309 co-relation queries the response was YES. [2024-02-09 23:50:37,925 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:50:37,925 INFO L748 eck$LassoCheckResult]: Stem: 46#[$Ultimate##0]true [83] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]true [114] L34-->$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] 50#[L34-1, $Ultimate##0]true [117] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 123#[$Ultimate##0, $Ultimate##0, L35]true [94] $Ultimate##0-->L64: Formula: (= v_thread2Thread1of1ForFork1_cnt_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_cnt] 224#[$Ultimate##0, L64, L35]true [95] L64-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 226#[$Ultimate##0, L65-1, L35]true [97] L65-1-->L66: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] 228#[$Ultimate##0, L66, L35]true [100] L66-->L66-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork1_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} AuxVars[] AssignedVars[] 230#[L66-2, $Ultimate##0, L35]true [103] L66-2-->L69-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork1_j_13) 0) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} AuxVars[] AssignedVars[] 232#[$Ultimate##0, L69-1, L35]true [105] L69-1-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_16 (+ v_thread2Thread1of1ForFork1_j_15 1)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_15} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 226#[$Ultimate##0, L65-1, L35]true [2024-02-09 23:50:37,926 INFO L750 eck$LassoCheckResult]: Loop: 226#[$Ultimate##0, L65-1, L35]true [97] L65-1-->L66: Formula: (< v_thread2Thread1of1ForFork1_j_5 v_N_4) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[] 228#[$Ultimate##0, L66, L35]true [100] L66-->L66-2: Formula: (<= (select v_A_4 v_thread2Thread1of1ForFork1_j_9) 0) InVars {A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} OutVars{A=v_A_4, thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_9} AuxVars[] AssignedVars[] 230#[L66-2, $Ultimate##0, L35]true [103] L66-2-->L69-1: Formula: (<= (select v_B_2 v_thread2Thread1of1ForFork1_j_13) 0) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_13, B=v_B_2} AuxVars[] AssignedVars[] 232#[$Ultimate##0, L69-1, L35]true [105] L69-1-->L65-1: Formula: (= v_thread2Thread1of1ForFork1_j_16 (+ v_thread2Thread1of1ForFork1_j_15 1)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_15} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j] 226#[$Ultimate##0, L65-1, L35]true [2024-02-09 23:50:37,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:37,926 INFO L85 PathProgramCache]: Analyzing trace with hash 466116091, now seen corresponding path program 1 times [2024-02-09 23:50:37,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:37,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924128672] [2024-02-09 23:50:37,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:37,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:37,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash 3912646, now seen corresponding path program 1 times [2024-02-09 23:50:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:37,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571770982] [2024-02-09 23:50:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:37,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:37,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:37,962 INFO L85 PathProgramCache]: Analyzing trace with hash 609256640, now seen corresponding path program 2 times [2024-02-09 23:50:37,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:50:37,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348732875] [2024-02-09 23:50:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:50:37,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:50:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:50:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:50:37,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:50:38,059 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:50:38,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:50:38,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:50:38,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:50:38,059 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:50:38,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:50:38,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:50:38,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:50:38,060 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:50:38,060 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:50:38,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:50:38,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:50:38,146 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:50:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,147 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) [2024-02-09 23:50:38,151 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 [2024-02-09 23:50:38,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:38,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:38,150 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 [2024-02-09 23:50:38,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,179 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 [2024-02-09 23:50:38,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,181 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) [2024-02-09 23:50:38,188 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 [2024-02-09 23:50:38,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:38,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:38,200 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 [2024-02-09 23:50:38,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,224 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 [2024-02-09 23:50:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,226 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) [2024-02-09 23:50:38,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-09 23:50:38,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:38,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:38,245 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 [2024-02-09 23:50:38,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,262 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 [2024-02-09 23:50:38,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,264 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) [2024-02-09 23:50:38,271 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 [2024-02-09 23:50:38,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:38,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:38,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:38,282 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 [2024-02-09 23:50:38,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,293 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 [2024-02-09 23:50:38,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,295 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) [2024-02-09 23:50:38,301 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 [2024-02-09 23:50:38,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-09 23:50:38,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-09 23:50:38,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-09 23:50:38,311 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 [2024-02-09 23:50:38,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,334 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 [2024-02-09 23:50:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,335 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) [2024-02-09 23:50:38,342 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 [2024-02-09 23:50:38,364 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 [2024-02-09 23:50:38,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:38,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:38,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:50:38,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:38,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,394 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) [2024-02-09 23:50:38,397 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 [2024-02-09 23:50:38,400 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 [2024-02-09 23:50:38,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:50:38,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:50:38,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:50:38,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:50:38,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:50:38,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:50:38,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:50:38,426 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:50:38,426 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-02-09 23:50:38,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:50:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:50:38,428 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) [2024-02-09 23:50:38,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:50:38,441 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 [2024-02-09 23:50:38,451 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:50:38,451 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:50:38,451 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2024-02-09 23:50:38,459 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 [2024-02-09 23:50:38,460 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:50:38,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:50:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:38,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:50:38,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:50:38,494 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:50:38,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:50:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:50:38,517 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 [2024-02-09 23:50:38,517 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-02-09 23:50:38,617 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 504 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:50:38,617 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:50:38,617 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:50:39,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-02-09 23:50:43,027 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:50:43,027 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:50:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:50:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-02-09 23:50:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2024-02-09 23:50:43,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:50:43,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:43,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 13 letters. Loop has 4 letters. [2024-02-09 23:50:43,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:43,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 194 transitions. Stem has 9 letters. Loop has 8 letters. [2024-02-09 23:50:43,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:50:43,030 INFO L428 stractBuchiCegarLoop]: Abstraction has has 91 places, 492752 transitions, 4176328 flow [2024-02-09 23:50:43,030 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:50:43,030 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 91 places, 492752 transitions, 4176328 flow Received shutdown request... [2024-02-09 23:54:41,409 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2024-02-09 23:54:41,415 INFO L201 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:54:41 BoogieIcfgContainer [2024-02-09 23:54:41,415 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:54:41,415 INFO L158 Benchmark]: Toolchain (without parser) took 246679.77ms. Allocated memory was 176.2MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 122.0MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. [2024-02-09 23:54:41,415 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:54:41,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.65ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 120.3MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-02-09 23:54:41,416 INFO L158 Benchmark]: Boogie Preprocessor took 53.38ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 156.5MB in the end (delta: -36.2MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2024-02-09 23:54:41,416 INFO L158 Benchmark]: RCFGBuilder took 203.37ms. Allocated memory is still 176.2MB. Free memory was 156.5MB in the beginning and 146.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-09 23:54:41,417 INFO L158 Benchmark]: BuchiAutomizer took 246395.75ms. Allocated memory was 176.2MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 146.5MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. [2024-02-09 23:54:41,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2024-02-09 23:54:41,418 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.65ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 120.3MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.38ms. Allocated memory is still 176.2MB. Free memory was 120.3MB in the beginning and 156.5MB in the end (delta: -36.2MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * RCFGBuilder took 203.37ms. Allocated memory is still 176.2MB. Free memory was 156.5MB in the beginning and 146.6MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 246395.75ms. Allocated memory was 176.2MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 146.5MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 6.2GB. 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) and one module whose termination is unknown.One deterministic module has affine ranking function -1 * i + N and consists of 5 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 5 locations. The remainder module has 4176328 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 246.3s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 5.0s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 336 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 453 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 246 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital56 mio100 ax100 hnf100 lsp96 ukn63 mio100 lsp85 div100 bol100 ite100 ukn100 eq151 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown