/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 --buchiautomizer.use.buchi.petri.net.intersection.optimizations true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:26:04,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:26:04,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 00:26:04,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:26:04,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:26:04,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:26:04,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:26:04,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:26:04,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:26:04,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:26:04,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:26:04,956 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:26:04,956 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:26:04,956 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:26:04,956 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:26:04,957 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:26:04,957 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:26:04,957 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:26:04,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:26:04,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:26:04,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:26:04,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:26:04,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:26:04,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:26:04,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:26:04,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:26:04,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:26:04,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:26:04,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:26:04,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:26:04,963 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:26:04,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:26:04,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:26:04,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:26:04,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:26:04,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:26:04,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:26:04,965 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:26:04,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:26:05,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:26:05,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:26:05,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:26:05,358 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:26:05,359 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:26:05,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl [2024-02-10 00:26:05,361 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum3.bpl' [2024-02-10 00:26:05,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:26:05,396 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:26:05,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:05,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:26:05,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:26:05,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,453 INFO L138 Inliner]: procedures = 3, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:26:05,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:05,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:26:05,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:26:05,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:26:05,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:26:05,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:26:05,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:26:05,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:26:05,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/1) ... [2024-02-10 00:26:05,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:05,563 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) [2024-02-10 00:26:05,587 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 [2024-02-10 00:26:05,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:26:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:26:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:26:05,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-10 00:26:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-10 00:26:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-10 00:26:05,611 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 00:26:05,660 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:26:05,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:26:05,750 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:26:05,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:26:05,757 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:26:05,759 INFO L201 PluginConnector]: Adding new model max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:05 BoogieIcfgContainer [2024-02-10 00:26:05,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:26:05,760 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:26:05,760 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:26:05,764 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:26:05,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:05,765 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:05" (1/2) ... [2024-02-10 00:26:05,766 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e439cc and model type max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:26:05, skipping insertion in model container [2024-02-10 00:26:05,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:05,766 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:05" (2/2) ... [2024-02-10 00:26:05,768 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum3.bpl [2024-02-10 00:26:05,843 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-10 00:26:05,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions, 107 flow [2024-02-10 00:26:05,896 INFO L124 PetriNetUnfolderBase]: 3/37 cut-off events. [2024-02-10 00:26:05,896 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-10 00:26:05,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 37 events. 3/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-02-10 00:26:05,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 43 transitions, 107 flow [2024-02-10 00:26:05,906 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 37 transitions, 92 flow [2024-02-10 00:26:05,912 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:26:05,912 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:26:05,913 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:26:05,913 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:26:05,913 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:26:05,913 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:26:05,913 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:26:05,913 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:26:05,913 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:05,914 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 44 places, 37 transitions, 92 flow [2024-02-10 00:26:05,990 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 915 states, 913 states have (on average 2.973713033953998) internal successors, (2715), 914 states have internal predecessors, (2715), 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) [2024-02-10 00:26:05,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 915 states, 913 states have (on average 2.973713033953998) internal successors, (2715), 914 states have internal predecessors, (2715), 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) [2024-02-10 00:26:06,077 INFO L131 ngComponentsAnalysis]: Automaton has 115 accepting balls. 724 [2024-02-10 00:26:06,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:06,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:06,082 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:26:06,082 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:06,082 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 44 places, 37 transitions, 92 flow [2024-02-10 00:26:06,104 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 915 states, 913 states have (on average 2.973713033953998) internal successors, (2715), 914 states have internal predecessors, (2715), 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) [2024-02-10 00:26:06,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 915 states, 913 states have (on average 2.973713033953998) internal successors, (2715), 914 states have internal predecessors, (2715), 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) [2024-02-10 00:26:06,126 INFO L131 ngComponentsAnalysis]: Automaton has 115 accepting balls. 724 [2024-02-10 00:26:06,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:06,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:06,139 INFO L748 eck$LassoCheckResult]: Stem: Black: 1882#[$Ultimate##0]don't care [39] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 1885#[L54]don't care [71] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 1887#[L54-1, $Ultimate##0]don't care [42] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 1891#[L54-1, L28]don't care [43] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 1899#[L54-1, L30]don't care [44] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 1913#[L54-1, L31-1]don't care [2024-02-10 00:26:06,142 INFO L750 eck$LassoCheckResult]: Loop: 1913#[L54-1, L31-1]don't care [46] L31-1-->L32: Formula: (< v_sumThread1of1ForFork0_i_5 v_sumThread1of1ForFork0_hi_3) InVars {sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_5} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_5} AuxVars[] AssignedVars[] 1937#[L54-1, L32]don't care [48] L32-->L33: Formula: (= (+ v_sumThread1of1ForFork0_x_3 (select v_A_1 v_sumThread1of1ForFork0_i_7)) v_sumThread1of1ForFork0_x_4) InVars {A=v_A_1, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} OutVars{A=v_A_1, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 1975#[L54-1, L33]don't care [49] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork0_i_9 1) v_sumThread1of1ForFork0_i_10) InVars {sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_9} OutVars{sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 2033#[L54-1, L34]don't care [50] L34-->L31-1: Formula: (= (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork0_i_13) v_sumThread1of1ForFork0_z_3))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork0_z_4) InVars {A=v_A_2, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} OutVars{A=v_A_2, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 1913#[L54-1, L31-1]don't care [2024-02-10 00:26:06,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,148 INFO L85 PathProgramCache]: Analyzing trace with hash 66803370, now seen corresponding path program 1 times [2024-02-10 00:26:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695579920] [2024-02-10 00:26:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2341604, now seen corresponding path program 1 times [2024-02-10 00:26:06,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837815137] [2024-02-10 00:26:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1406244109, now seen corresponding path program 1 times [2024-02-10 00:26:06,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567448414] [2024-02-10 00:26:06,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,571 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:06,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:06,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:06,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:06,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:06,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:06,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:06,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:26:06,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:06,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:06,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:06,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:06,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:06,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:06,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:06,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,854 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) [2024-02-10 00:26:06,856 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 [2024-02-10 00:26:06,857 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 [2024-02-10 00:26:06,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:06,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,904 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) [2024-02-10 00:26:06,922 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 [2024-02-10 00:26:06,929 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 [2024-02-10 00:26:06,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,969 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 [2024-02-10 00:26:06,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,971 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) [2024-02-10 00:26:06,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:26:06,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,986 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:06,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,995 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 [2024-02-10 00:26:07,002 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:07,002 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:07,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:07,048 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 [2024-02-10 00:26:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:07,053 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) [2024-02-10 00:26:07,071 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 [2024-02-10 00:26:07,072 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 [2024-02-10 00:26:07,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:07,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:07,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:07,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:07,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:07,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:07,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:07,127 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:26:07,127 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-10 00:26:07,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:07,151 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) [2024-02-10 00:26:07,173 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 [2024-02-10 00:26:07,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:07,194 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:07,194 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:07,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_hi, sumThread1of1ForFork0_i) = 1*sumThread1of1ForFork0_hi - 1*sumThread1of1ForFork0_i Supporting invariants [] [2024-02-10 00:26:07,201 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 [2024-02-10 00:26:07,204 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:07,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:07,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:07,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:07,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:07,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:26:07,408 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 [2024-02-10 00:26:07,409 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 00:26:07,571 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 543 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:07,573 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:07,573 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:07,574 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:26:07,604 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:26:07,605 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:07,607 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 [2024-02-10 00:26:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 00:26:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 209 transitions. [2024-02-10 00:26:07,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 00:26:07,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 00:26:07,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 00:26:07,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,615 INFO L428 stractBuchiCegarLoop]: Abstraction has has 53 places, 465 transitions, 2079 flow [2024-02-10 00:26:07,615 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:26:07,615 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:07,615 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 53 places, 465 transitions, 2079 flow [2024-02-10 00:26:07,774 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 2009 states, 2003 states have (on average 4.515227159261109) internal successors, (9044), 2008 states have internal predecessors, (9044), 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) [2024-02-10 00:26:07,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2009 states, 2003 states have (on average 4.515227159261109) internal successors, (9044), 2008 states have internal predecessors, (9044), 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) [2024-02-10 00:26:07,815 INFO L131 ngComponentsAnalysis]: Automaton has 120 accepting balls. 600 [2024-02-10 00:26:07,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:07,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:07,818 INFO L748 eck$LassoCheckResult]: Stem: Black: 3766#[$Ultimate##0]don't care [39] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 3772#[L54]don't care [71] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] 3777#[L54-1, $Ultimate##0]don't care [74] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] 3782#[$Ultimate##0, L55, $Ultimate##0]don't care [51] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 3792#[$Ultimate##0, L55, L28]don't care [52] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 3822#[L30, $Ultimate##0, L55]don't care [53] L30-->L31-1: Formula: (= v_sumThread1of1ForFork1_i_1 v_sumThread1of1ForFork1_lo_1) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_1, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_i] 3870#[L31-1, $Ultimate##0, L55]don't care [2024-02-10 00:26:07,818 INFO L750 eck$LassoCheckResult]: Loop: 3870#[L31-1, $Ultimate##0, L55]don't care [55] L31-1-->L32: Formula: (< v_sumThread1of1ForFork1_i_5 v_sumThread1of1ForFork1_hi_3) InVars {sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_5, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_3} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_5, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_3} AuxVars[] AssignedVars[] 3956#[L32, $Ultimate##0, L55]don't care [57] L32-->L33: Formula: (= (+ (select v_A_1 v_sumThread1of1ForFork1_i_7) v_sumThread1of1ForFork1_x_3) v_sumThread1of1ForFork1_x_4) InVars {A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_3} OutVars{A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 4105#[L33, $Ultimate##0, L55]don't care [58] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork1_i_9 1) v_sumThread1of1ForFork1_i_10) InVars {sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_9} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork1_i] 4315#[$Ultimate##0, L34, L55]don't care [59] L34-->L31-1: Formula: (= v_sumThread1of1ForFork1_z_4 (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork1_i_13) v_sumThread1of1ForFork1_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_3} OutVars{A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 3870#[L31-1, $Ultimate##0, L55]don't care [2024-02-10 00:26:07,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:07,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2071865771, now seen corresponding path program 1 times [2024-02-10 00:26:07,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:07,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370313493] [2024-02-10 00:26:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:07,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:07,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2618660, now seen corresponding path program 1 times [2024-02-10 00:26:07,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:07,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579560389] [2024-02-10 00:26:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:07,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:07,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash -674940466, now seen corresponding path program 1 times [2024-02-10 00:26:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838213448] [2024-02-10 00:26:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:07,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:07,997 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:07,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:07,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:07,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:07,997 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:07,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:07,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:07,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:07,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:26:07,997 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:07,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:07,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:08,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:08,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:08,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,230 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) [2024-02-10 00:26:08,254 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 [2024-02-10 00:26:08,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:08,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:08,302 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 [2024-02-10 00:26:08,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-02-10 00:26:08,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,328 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 [2024-02-10 00:26:08,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,337 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) [2024-02-10 00:26:08,343 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 [2024-02-10 00:26:08,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:08,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:08,357 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 [2024-02-10 00:26:08,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,400 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 [2024-02-10 00:26:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,402 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) [2024-02-10 00:26:08,411 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 [2024-02-10 00:26:08,413 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 [2024-02-10 00:26:08,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:08,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:08,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:08,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,441 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 [2024-02-10 00:26:08,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,443 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) [2024-02-10 00:26:08,450 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 [2024-02-10 00:26:08,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:08,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:08,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:08,462 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 [2024-02-10 00:26:08,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,476 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 [2024-02-10 00:26:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,479 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) [2024-02-10 00:26:08,508 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 [2024-02-10 00:26:08,547 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 [2024-02-10 00:26:08,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:08,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:08,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:08,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,569 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 [2024-02-10 00:26:08,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,573 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) [2024-02-10 00:26:08,622 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 [2024-02-10 00:26:08,623 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 [2024-02-10 00:26:08,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:08,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:08,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-02-10 00:26:08,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,661 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) [2024-02-10 00:26:08,663 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 [2024-02-10 00:26:08,664 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 [2024-02-10 00:26:08,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:08,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:08,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,697 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 [2024-02-10 00:26:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,699 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) [2024-02-10 00:26:08,705 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 [2024-02-10 00:26:08,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,714 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:08,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,723 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:08,723 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:08,729 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 [2024-02-10 00:26:08,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:08,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:08,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,813 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:08,819 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 [2024-02-10 00:26:08,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:08,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:08,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:08,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:08,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:08,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:08,834 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 [2024-02-10 00:26:08,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:08,863 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-02-10 00:26:08,863 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-02-10 00:26:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:08,865 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) [2024-02-10 00:26:08,883 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:08,892 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 [2024-02-10 00:26:08,902 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:08,902 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:08,902 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_hi, sumThread1of1ForFork1_i) = 1*sumThread1of1ForFork1_hi - 1*sumThread1of1ForFork1_i Supporting invariants [] [2024-02-10 00:26:08,925 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 [2024-02-10 00:26:08,926 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:08,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:08,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:08,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:08,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:08,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:26:08,997 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 [2024-02-10 00:26:08,997 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-02-10 00:26:09,075 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 543 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:09,075 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:09,075 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:09,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 543 transitions. [2024-02-10 00:26:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 543 transitions. [2024-02-10 00:26:09,083 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:26:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 543 transitions. [2024-02-10 00:26:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 543 transitions. [2024-02-10 00:26:09,230 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 [2024-02-10 00:26:09,365 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:26:09,365 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:09,376 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 [2024-02-10 00:26:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-02-10 00:26:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 209 transitions. [2024-02-10 00:26:09,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-10 00:26:09,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:09,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-10 00:26:09,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:09,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 209 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-10 00:26:09,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:09,378 INFO L428 stractBuchiCegarLoop]: Abstraction has has 66 places, 7606 transitions, 49086 flow [2024-02-10 00:26:09,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:26:09,378 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:09,378 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 66 places, 7606 transitions, 49086 flow [2024-02-10 00:26:12,265 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 5312 states, 5282 states have (on average 6.066073457023855) internal successors, (32041), 5311 states have internal predecessors, (32041), 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) [2024-02-10 00:26:12,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5312 states, 5282 states have (on average 6.066073457023855) internal successors, (32041), 5311 states have internal predecessors, (32041), 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) [2024-02-10 00:26:12,367 INFO L131 ngComponentsAnalysis]: Automaton has 182 accepting balls. 728 [2024-02-10 00:26:12,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:12,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:12,368 INFO L748 eck$LassoCheckResult]: Stem: Black: 8940#[$Ultimate##0]don't care [39] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k2_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] Black: 8943#[L54]don't care [71] L54-->$Ultimate##0: Formula: (and (= 0 v_sumThread1of1ForFork0_lo_4) (= v_ULTIMATE.start_k1_3 v_sumThread1of1ForFork0_hi_6) (= v_sumThread1of1ForFork0_thidvar0_2 1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_3} OutVars{sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_6, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_8, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_8, ULTIMATE.start_k1=v_ULTIMATE.start_k1_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_16, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork0_hi, sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i, sumThread1of1ForFork0_thidvar0, sumThread1of1ForFork0_lo] Black: 8961#[$Ultimate##0, L54-1]don't care [74] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= v_ULTIMATE.start_k2_3 v_sumThread1of1ForFork1_hi_6) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, ULTIMATE.start_k2=v_ULTIMATE.start_k2_3, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_16, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_8, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_hi, sumThread1of1ForFork1_z, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_thidvar1, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x, sumThread1of1ForFork1_lo] Black: 8975#[$Ultimate##0, $Ultimate##0, L55]don't care [77] L55-->$Ultimate##0: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_N_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {N=v_N_3, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, N=v_N_3, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k2=v_ULTIMATE.start_k2_5, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_8, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_4, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x, sumThread1of1ForFork2_lo, sumThread1of1ForFork2_hi] Black: 9015#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L56]don't care [60] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork2_x_1 0) InVars {} OutVars{sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_x] Black: 9101#[$Ultimate##0, L28, L56, $Ultimate##0]don't care [61] L28-->L30: Formula: (= v_sumThread1of1ForFork2_z_1 0) InVars {} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_z] Black: 9228#[$Ultimate##0, L30, $Ultimate##0, L56]don't care [62] L30-->L31-1: Formula: (= v_sumThread1of1ForFork2_i_1 v_sumThread1of1ForFork2_lo_1) InVars {sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_1} OutVars{sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_1, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_i] 9485#[$Ultimate##0, L31-1, L56, $Ultimate##0]don't care [2024-02-10 00:26:12,368 INFO L750 eck$LassoCheckResult]: Loop: 9485#[$Ultimate##0, L31-1, L56, $Ultimate##0]don't care [64] L31-1-->L32: Formula: (< v_sumThread1of1ForFork2_i_5 v_sumThread1of1ForFork2_hi_3) InVars {sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_5} OutVars{sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_5} AuxVars[] AssignedVars[] Black: 9936#[$Ultimate##0, L32, $Ultimate##0, L56]don't care [66] L32-->L33: Formula: (= v_sumThread1of1ForFork2_x_4 (+ (select v_A_1 v_sumThread1of1ForFork2_i_7) v_sumThread1of1ForFork2_x_3)) InVars {A=v_A_1, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_7} OutVars{A=v_A_1, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_4, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork2_x] 10539#[$Ultimate##0, L33, L56, $Ultimate##0]don't care [67] L33-->L34: Formula: (= (+ v_sumThread1of1ForFork2_i_9 1) v_sumThread1of1ForFork2_i_10) InVars {sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_9} OutVars{sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_10} AuxVars[] AssignedVars[sumThread1of1ForFork2_i] Black: 11424#[L34, $Ultimate##0, $Ultimate##0, L56]don't care [68] L34-->L31-1: Formula: (= v_sumThread1of1ForFork2_z_4 (let ((.cse0 (+ (select v_A_2 v_sumThread1of1ForFork2_i_13) v_sumThread1of1ForFork2_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_3, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_13} OutVars{A=v_A_2, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_4, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork2_z] 9485#[$Ultimate##0, L31-1, L56, $Ultimate##0]don't care [2024-02-10 00:26:12,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash -195887975, now seen corresponding path program 1 times [2024-02-10 00:26:12,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:12,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823770154] [2024-02-10 00:26:12,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:12,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2895716, now seen corresponding path program 1 times [2024-02-10 00:26:12,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:12,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427029253] [2024-02-10 00:26:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:12,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1660887036, now seen corresponding path program 1 times [2024-02-10 00:26:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:12,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305377021] [2024-02-10 00:26:12,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:12,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:12,587 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:12,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:12,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:12,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:12,587 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:12,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:12,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:12,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:12,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum3.bpl_BEv2_Iteration3_Lasso [2024-02-10 00:26:12,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:12,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:12,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:12,823 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:12,823 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:12,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:12,853 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) [2024-02-10 00:26:12,854 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 [2024-02-10 00:26:12,856 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 [2024-02-10 00:26:12,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:12,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:12,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:12,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:12,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:12,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:12,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:12,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:12,883 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 [2024-02-10 00:26:12,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:12,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:12,885 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:12,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-02-10 00:26:12,893 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 [2024-02-10 00:26:12,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:12,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:12,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:12,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:12,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:12,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:12,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:12,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:12,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:12,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:12,959 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:12,964 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 [2024-02-10 00:26:12,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:12,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:12,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:12,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:12,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:12,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:12,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:12,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-02-10 00:26:13,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,005 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-02-10 00:26:13,029 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 [2024-02-10 00:26:13,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:13,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:13,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:13,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,064 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,072 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 [2024-02-10 00:26:13,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-02-10 00:26:13,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,099 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:26:13,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-02-10 00:26:13,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,135 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,138 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 [2024-02-10 00:26:13,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-02-10 00:26:13,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,168 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,181 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 [2024-02-10 00:26:13,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-02-10 00:26:13,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,241 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-02-10 00:26:13,286 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 [2024-02-10 00:26:13,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:13,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:13,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:13,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,350 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,356 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 [2024-02-10 00:26:13,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-02-10 00:26:13,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,386 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,391 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 [2024-02-10 00:26:13,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:13,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:13,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:13,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-02-10 00:26:13,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:13,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,420 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:26:13,438 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 [2024-02-10 00:26:13,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:13,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:13,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:13,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:13,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:13,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:13,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-02-10 00:26:13,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:13,483 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-02-10 00:26:13,483 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2024-02-10 00:26:13,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:13,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:13,501 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-02-10 00:26:13,504 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:13,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-02-10 00:26:13,537 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-02-10 00:26:13,538 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:13,538 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork2_i) = 1*N - 1*sumThread1of1ForFork2_i Supporting invariants [1*N - 1*sumThread1of1ForFork2_hi >= 0] [2024-02-10 00:26:13,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:13,550 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-02-10 00:26:13,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:13,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2024-02-10 00:26:13,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:13,651 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 00:26:13,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:26:13,706 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-02-10 00:26:13,707 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-02-10 00:26:13,874 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 12 states and 713 transitions.8 powerset states4 rank states. The highest rank that occured is 1 [2024-02-10 00:26:13,874 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:13,874 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states and 713 transitions. [2024-02-10 00:26:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 713 transitions. [2024-02-10 00:26:13,877 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:26:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states and 713 transitions. [2024-02-10 00:26:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 713 transitions. [2024-02-10 00:26:14,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:19,942 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:26:19,942 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:19,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2024-02-10 00:26:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-02-10 00:26:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 252 transitions. [2024-02-10 00:26:19,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 252 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 00:26:19,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:19,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 252 transitions. Stem has 11 letters. Loop has 4 letters. [2024-02-10 00:26:19,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:19,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 252 transitions. Stem has 7 letters. Loop has 8 letters. [2024-02-10 00:26:19,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:19,945 INFO L428 stractBuchiCegarLoop]: Abstraction has has 83 places, 161586 transitions, 1363947 flow [2024-02-10 00:26:19,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-10 00:26:19,945 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:19,945 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 83 places, 161586 transitions, 1363947 flow Received shutdown request... [2024-02-10 00:30:24,282 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2024-02-10 00:30:24,288 INFO L201 PluginConnector]: Adding new model max-tailsum3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:30:24 BoogieIcfgContainer [2024-02-10 00:30:24,288 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:30:24,289 INFO L158 Benchmark]: Toolchain (without parser) took 258892.79ms. Allocated memory was 201.3MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 166.0MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 6.6GB. Max. memory is 8.0GB. [2024-02-10 00:30:24,289 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:30:24,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.30ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 176.0MB in the end (delta: -10.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-10 00:30:24,290 INFO L158 Benchmark]: Boogie Preprocessor took 36.97ms. Allocated memory is still 201.3MB. Free memory was 176.0MB in the beginning and 174.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:30:24,290 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 [2024-02-10 00:30:24,290 INFO L158 Benchmark]: RCFGBuilder took 242.95ms. Allocated memory is still 201.3MB. Free memory was 174.9MB in the beginning and 165.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 00:30:24,291 INFO L158 Benchmark]: BuchiAutomizer took 258528.25ms. Allocated memory was 201.3MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 165.2MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 6.6GB. Max. memory is 8.0GB. [2024-02-10 00:30:24,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.30ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 176.0MB in the end (delta: -10.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.97ms. Allocated memory is still 201.3MB. Free memory was 176.0MB in the beginning and 174.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 242.95ms. Allocated memory is still 201.3MB. Free memory was 174.9MB in the beginning and 165.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 258528.25ms. Allocated memory was 201.3MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 165.2MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 6.6GB. 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 + hi and consists of 5 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 5 locations. One deterministic module has affine ranking function -1 * i + N and consists of 7 locations. The remainder module has 1363947 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 258.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 3.3s. Construction of modules took 0.1s. Büchi inclusion checks took 7.0s. 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 736 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 366 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital88 mio100 ax100 hnf100 lsp114 ukn65 mio100 lsp56 div100 bol100 ite100 ukn100 eq173 hnf92 smp100 dnf188 smp58 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 BuchiPetriNet2FiniteAutomaton. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown