/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-tailsum2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:26:03,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:26:03,648 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 00:26:03,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:26:03,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:26:03,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:26:03,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:26:03,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:26:03,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:26:03,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:26:03,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:26:03,705 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:26:03,706 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:26:03,706 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:26:03,706 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:26:03,706 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:26:03,706 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:26:03,707 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:26:03,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:26:03,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:26:03,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:26:03,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:26:03,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:26:03,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:26:03,710 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:26:03,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:26:03,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:26:03,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:26:03,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:26:03,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:26:03,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:26:03,718 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:26:03,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:26:03,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:26:04,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:26:04,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:26:04,011 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:26:04,012 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:26:04,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum2.bpl [2024-02-10 00:26:04,013 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum2.bpl' [2024-02-10 00:26:04,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:26:04,067 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:26:04,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:04,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:26:04,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:26:04,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,099 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:26:04,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:04,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:26:04,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:26:04,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:26:04,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:26:04,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:26:04,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:26:04,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:26:04,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/1) ... [2024-02-10 00:26:04,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:04,208 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 00:26:04,220 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 00:26:04,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:26:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:26:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:26:04,264 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-10 00:26:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-10 00:26:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-10 00:26:04,265 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 00:26:04,314 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:26:04,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:26:04,400 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:26:04,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:26:04,406 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:26:04,408 INFO L201 PluginConnector]: Adding new model max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:04 BoogieIcfgContainer [2024-02-10 00:26:04,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:26:04,409 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:26:04,409 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:26:04,412 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:26:04,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:04,413 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:04" (1/2) ... [2024-02-10 00:26:04,414 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f911d2f and model type max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:26:04, skipping insertion in model container [2024-02-10 00:26:04,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:04,414 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:04" (2/2) ... [2024-02-10 00:26:04,415 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum2.bpl [2024-02-10 00:26:04,470 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-10 00:26:04,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 30 transitions, 74 flow [2024-02-10 00:26:04,513 INFO L124 PetriNetUnfolderBase]: 2/26 cut-off events. [2024-02-10 00:26:04,514 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-10 00:26:04,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 2/26 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-02-10 00:26:04,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 30 transitions, 74 flow [2024-02-10 00:26:04,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 26 transitions, 64 flow [2024-02-10 00:26:04,526 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:26:04,526 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:26:04,526 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:26:04,527 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:26:04,527 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:26:04,527 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:26:04,527 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:26:04,527 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:26:04,527 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:04,528 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 31 places, 26 transitions, 64 flow [2024-02-10 00:26:04,544 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 105 states, 103 states have (on average 1.9805825242718447) internal successors, (204), 104 states have internal predecessors, (204), 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 00:26:04,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 103 states have (on average 1.9805825242718447) internal successors, (204), 104 states have internal predecessors, (204), 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 00:26:04,568 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 64 [2024-02-10 00:26:04,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:04,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:04,572 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:26:04,573 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:04,573 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 31 places, 26 transitions, 64 flow [2024-02-10 00:26:04,582 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 105 states, 103 states have (on average 1.9805825242718447) internal successors, (204), 104 states have internal predecessors, (204), 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 00:26:04,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 103 states have (on average 1.9805825242718447) internal successors, (204), 104 states have internal predecessors, (204), 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 00:26:04,587 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 64 [2024-02-10 00:26:04,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:04,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:04,592 INFO L748 eck$LassoCheckResult]: Stem: Black: 248#[$Ultimate##0]don't care [34] $Ultimate##0-->L54: Formula: (and (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k1_1 v_N_1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 251#[L54]don't care [58] L54-->$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] 253#[L54-1, $Ultimate##0]don't care [38] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 255#[L28, L54-1]don't care [39] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 259#[L30, L54-1]don't care [40] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 265#[L31-1, L54-1]don't care [2024-02-10 00:26:04,593 INFO L750 eck$LassoCheckResult]: Loop: 265#[L31-1, L54-1]don't care [42] 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[] 275#[L32, L54-1]don't care [44] L32-->L33: Formula: (= v_sumThread1of1ForFork0_x_4 (+ (select v_A_2 v_sumThread1of1ForFork0_i_7) v_sumThread1of1ForFork0_x_3)) InVars {A=v_A_2, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} OutVars{A=v_A_2, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_7} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 289#[L33, L54-1]don't care [45] 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] 307#[L34, L54-1]don't care [46] L34-->L31-1: Formula: (= v_sumThread1of1ForFork0_z_4 (let ((.cse0 (+ (select v_A_1 v_sumThread1of1ForFork0_i_13) v_sumThread1of1ForFork0_z_3))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_1, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_3, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} OutVars{A=v_A_1, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_4, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_13} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 265#[L31-1, L54-1]don't care [2024-02-10 00:26:04,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash 61794510, now seen corresponding path program 1 times [2024-02-10 00:26:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879679278] [2024-02-10 00:26:04,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:04,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2218468, now seen corresponding path program 1 times [2024-02-10 00:26:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279423517] [2024-02-10 00:26:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:04,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1298502705, now seen corresponding path program 1 times [2024-02-10 00:26:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:04,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650809733] [2024-02-10 00:26:04,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:04,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:05,028 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:05,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:05,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:05,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:05,029 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:05,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:05,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:05,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum2.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:26:05,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:05,030 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:05,047 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 00:26:05,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:26:05,144 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 00:26:05,289 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:05,293 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:05,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:05,297 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 00:26:05,301 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 00:26:05,304 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 00:26:05,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:05,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:05,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:05,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:05,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:05,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:05,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:05,370 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 00:26:05,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:05,385 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 00:26:05,411 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 00:26:05,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:05,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:05,420 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:05,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:05,423 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 00:26:05,447 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:05,448 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:05,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:05,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:05,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:05,524 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 00:26:05,528 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 00:26:05,529 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 00:26:05,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:05,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:05,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:05,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:05,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:05,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:05,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:05,596 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-10 00:26:05,596 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-02-10 00:26:05,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:05,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:05,601 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 00:26:05,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:05,613 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 00:26:05,622 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:05,622 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:05,622 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 00:26:05,636 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 00:26:05,639 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:05,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:05,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:05,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:05,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:05,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:05,759 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 00:26:05,795 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 00:26:05,797 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 00:26:05,959 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 374 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:05,960 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:05,961 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:05,963 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:26:05,983 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:26:05,983 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:05,985 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 00:26:05,989 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 00:26:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2024-02-10 00:26:05,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 00:26:05,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:05,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 00:26:05,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:05,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 00:26:05,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:05,992 INFO L428 stractBuchiCegarLoop]: Abstraction has has 40 places, 322 transitions, 1429 flow [2024-02-10 00:26:05,992 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:26:05,992 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:05,992 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 40 places, 322 transitions, 1429 flow [2024-02-10 00:26:06,019 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 227 states, 221 states have (on average 3.009049773755656) internal successors, (665), 226 states have internal predecessors, (665), 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 00:26:06,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 227 states, 221 states have (on average 3.009049773755656) internal successors, (665), 226 states have internal predecessors, (665), 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 00:26:06,038 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 40 [2024-02-10 00:26:06,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:06,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:06,040 INFO L748 eck$LassoCheckResult]: Stem: Black: 512#[$Ultimate##0]don't care [34] $Ultimate##0-->L54: Formula: (and (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k1_1 v_N_1)) InVars {ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] Black: 515#[L54]don't care [58] L54-->$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] 523#[$Ultimate##0, L54-1]don't care [61] L54-1-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k1_5 1) v_sumThread1of1ForFork1_lo_4) (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2) (= v_N_3 v_sumThread1of1ForFork1_hi_6)) InVars {N=v_N_3, ULTIMATE.start_k1=v_ULTIMATE.start_k1_5} OutVars{N=v_N_3, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_6, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_8, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2, 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] 528#[$Ultimate##0, L55, $Ultimate##0]don't care [47] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 538#[$Ultimate##0, L28, L55]don't care [48] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 553#[L30, $Ultimate##0, L55]don't care [49] L30-->L31-1: Formula: (= v_sumThread1of1ForFork1_i_1 v_sumThread1of1ForFork1_lo_1) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} OutVars{sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_1, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_i] 571#[$Ultimate##0, L55, L31-1]don't care [2024-02-10 00:26:06,041 INFO L750 eck$LassoCheckResult]: Loop: 571#[$Ultimate##0, L55, L31-1]don't care [51] 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[] 609#[$Ultimate##0, L32, L55]don't care [53] L32-->L33: Formula: (= (+ v_sumThread1of1ForFork1_x_3 (select v_A_2 v_sumThread1of1ForFork1_i_7)) v_sumThread1of1ForFork1_x_4) InVars {A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_3} OutVars{A=v_A_2, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_7, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 662#[$Ultimate##0, L55, L33]don't care [54] 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] 718#[$Ultimate##0, L34, L55]don't care [55] L34-->L31-1: Formula: (= v_sumThread1of1ForFork1_z_4 (let ((.cse0 (+ v_sumThread1of1ForFork1_z_3 (select v_A_1 v_sumThread1of1ForFork1_i_13)))) (ite (< 0 .cse0) .cse0 0))) InVars {A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_3} OutVars{A=v_A_1, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_13, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_4} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 571#[$Ultimate##0, L55, L31-1]don't care [2024-02-10 00:26:06,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1916322988, now seen corresponding path program 1 times [2024-02-10 00:26:06,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756308262] [2024-02-10 00:26:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2495524, now seen corresponding path program 1 times [2024-02-10 00:26:06,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887666756] [2024-02-10 00:26:06,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:06,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1774619471, now seen corresponding path program 1 times [2024-02-10 00:26:06,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:06,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290323176] [2024-02-10 00:26:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:06,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:06,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:06,228 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:06,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:06,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:06,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:06,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:06,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:06,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:06,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum2.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:26:06,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:06,229 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:06,232 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 00:26:06,236 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 00:26:06,240 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 00:26:06,243 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 00:26:06,259 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 00:26:06,262 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 00:26:06,266 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 00:26:06,268 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 00:26:06,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:06,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:06,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,469 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 00:26:06,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:26:06,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,486 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 00:26:06,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,510 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 00:26:06,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,512 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 00:26:06,514 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 00:26:06,515 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 00:26:06,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,575 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 00:26:06,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,577 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 00:26:06,584 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 00:26:06,592 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 00:26:06,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:06,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:06,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:06,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,645 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 00:26:06,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,648 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 00:26:06,660 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 00:26:06,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:06,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:06,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:06,671 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 00:26:06,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,695 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 00:26:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,705 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 00:26:06,712 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 00:26:06,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:06,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:06,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:06,723 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 00:26:06,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,754 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 00:26:06,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,769 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 00:26:06,779 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 00:26:06,780 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 00:26:06,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,807 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 00:26:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,809 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 00:26:06,811 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 00:26:06,812 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 00:26:06,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:06,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,836 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 00:26:06,848 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 00:26:06,852 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 00:26:06,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,861 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:06,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,871 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:06,871 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:06,879 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 00:26:06,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:06,919 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 00:26:06,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:06,921 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 00:26:06,929 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 00:26:06,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:06,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:06,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:06,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:06,941 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 00:26:06,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:06,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:06,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:06,985 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-10 00:26:06,985 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-02-10 00:26:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:07,008 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 00:26:07,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:07,024 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 00:26:07,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:07,038 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:07,038 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork1_i, sumThread1of1ForFork1_hi) = -1*sumThread1of1ForFork1_i + 1*sumThread1of1ForFork1_hi Supporting invariants [] [2024-02-10 00:26:07,046 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 00:26:07,047 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:07,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:07,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:07,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:07,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:07,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:07,132 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 00:26:07,133 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 00:26:07,133 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 00:26:07,216 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 374 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:07,217 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:07,217 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 374 transitions. [2024-02-10 00:26:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 374 transitions. [2024-02-10 00:26:07,224 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:26:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 374 transitions. [2024-02-10 00:26:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 374 transitions. [2024-02-10 00:26:07,335 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 00:26:07,448 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:26:07,449 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:07,449 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 00:26:07,450 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 00:26:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2024-02-10 00:26:07,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-10 00:26:07,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-10 00:26:07,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-10 00:26:07,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:07,452 INFO L428 stractBuchiCegarLoop]: Abstraction has has 53 places, 5175 transitions, 33174 flow [2024-02-10 00:26:07,452 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:26:07,452 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:07,453 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 53 places, 5175 transitions, 33174 flow [2024-02-10 00:26:07,788 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 583 states, 553 states have (on average 4.079566003616637) internal successors, (2256), 582 states have internal predecessors, (2256), 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 00:26:07,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 583 states, 553 states have (on average 4.079566003616637) internal successors, (2256), 582 states have internal predecessors, (2256), 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 00:26:07,819 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-02-10 00:26:07,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-02-10 00:26:07,831 INFO L201 PluginConnector]: Adding new model max-tailsum2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:26:07 BoogieIcfgContainer [2024-02-10 00:26:07,831 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:26:07,833 INFO L158 Benchmark]: Toolchain (without parser) took 3765.14ms. Allocated memory was 157.3MB in the beginning and 267.4MB in the end (delta: 110.1MB). Free memory was 132.7MB in the beginning and 103.8MB in the end (delta: 28.9MB). Peak memory consumption was 138.5MB. Max. memory is 8.0GB. [2024-02-10 00:26:07,833 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:26:07,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.55ms. Allocated memory is still 157.3MB. Free memory was 132.7MB in the beginning and 131.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 00:26:07,835 INFO L158 Benchmark]: Boogie Preprocessor took 23.42ms. Allocated memory was 157.3MB in the beginning and 219.2MB in the end (delta: 61.9MB). Free memory was 131.2MB in the beginning and 194.6MB in the end (delta: -63.4MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2024-02-10 00:26:07,837 INFO L158 Benchmark]: RCFGBuilder took 282.10ms. Allocated memory is still 219.2MB. Free memory was 194.4MB in the beginning and 186.0MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-02-10 00:26:07,837 INFO L158 Benchmark]: BuchiAutomizer took 3422.62ms. Allocated memory was 219.2MB in the beginning and 267.4MB in the end (delta: 48.2MB). Free memory was 185.8MB in the beginning and 103.8MB in the end (delta: 81.9MB). Peak memory consumption was 130.4MB. Max. memory is 8.0GB. [2024-02-10 00:26:07,841 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 0.10ms. Allocated memory is still 157.3MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.55ms. Allocated memory is still 157.3MB. Free memory was 132.7MB in the beginning and 131.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.42ms. Allocated memory was 157.3MB in the beginning and 219.2MB in the end (delta: 61.9MB). Free memory was 131.2MB in the beginning and 194.6MB in the end (delta: -63.4MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.10ms. Allocated memory is still 219.2MB. Free memory was 194.4MB in the beginning and 186.0MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3422.62ms. Allocated memory was 219.2MB in the beginning and 267.4MB in the end (delta: 48.2MB). Free memory was 185.8MB in the beginning and 103.8MB in the end (delta: 81.9MB). Peak memory consumption was 130.4MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 136 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital77 mio100 ax100 hnf100 lsp121 ukn63 mio100 lsp56 div100 bol100 ite100 ukn100 eq172 hnf94 smp100 dnf203 smp56 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 111ms 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-02-10 00:26:07,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...