/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-tailsum4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:26:11,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:26:11,708 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 00:26:11,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:26:11,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:26:11,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:26:11,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:26:11,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:26:11,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:26:11,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:26:11,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:26:11,752 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:26:11,752 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:26:11,753 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:26:11,753 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:26:11,753 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:26:11,754 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:26:11,754 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:26:11,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:26:11,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:26:11,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:26:11,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:26:11,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:26:11,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:26:11,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:26:11,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:26:11,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:26:11,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:26:11,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:26:11,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:26:11,763 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:26:11,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:26:11,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:26:11,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:26:11,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:26:11,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:26:11,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:26:11,780 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:26:11,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:26:12,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:26:12,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:26:12,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:26:12,104 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:26:12,105 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:26:12,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl [2024-02-10 00:26:12,107 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum4.bpl' [2024-02-10 00:26:12,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:26:12,134 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:26:12,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:12,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:26:12,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:26:12,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,179 INFO L138 Inliner]: procedures = 3, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:26:12,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:12,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:26:12,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:26:12,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:26:12,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:26:12,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:26:12,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:26:12,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:26:12,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/1) ... [2024-02-10 00:26:12,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:12,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:12,272 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 00:26:12,274 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 00:26:12,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:26:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:26:12,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:26:12,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-10 00:26:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-10 00:26:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-10 00:26:12,324 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 00:26:12,368 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:26:12,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:26:12,470 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:26:12,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:26:12,476 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:26:12,477 INFO L201 PluginConnector]: Adding new model max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:12 BoogieIcfgContainer [2024-02-10 00:26:12,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:26:12,478 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:26:12,478 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:26:12,485 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:26:12,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:12,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:12" (1/2) ... [2024-02-10 00:26:12,493 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49c7bee1 and model type max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:26:12, skipping insertion in model container [2024-02-10 00:26:12,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:12,494 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:12" (2/2) ... [2024-02-10 00:26:12,495 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum4.bpl [2024-02-10 00:26:12,587 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-10 00:26:12,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 140 flow [2024-02-10 00:26:12,642 INFO L124 PetriNetUnfolderBase]: 4/48 cut-off events. [2024-02-10 00:26:12,642 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-10 00:26:12,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 4/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 129 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-02-10 00:26:12,649 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 56 transitions, 140 flow [2024-02-10 00:26:12,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 48 transitions, 120 flow [2024-02-10 00:26:12,660 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:26:12,660 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:26:12,660 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:26:12,660 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:26:12,661 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:26:12,661 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:26:12,661 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:26:12,661 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:26:12,661 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:12,662 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 57 places, 48 transitions, 120 flow [2024-02-10 00:26:13,035 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 8205 states, 8203 states have (on average 3.974643423137876) internal successors, (32604), 8204 states have internal predecessors, (32604), 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 00:26:13,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8205 states, 8203 states have (on average 3.974643423137876) internal successors, (32604), 8204 states have internal predecessors, (32604), 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 00:26:13,412 INFO L131 ngComponentsAnalysis]: Automaton has 877 accepting balls. 7264 [2024-02-10 00:26:13,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:13,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:13,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:26:13,418 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:13,418 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 57 places, 48 transitions, 120 flow [2024-02-10 00:26:13,698 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 8205 states, 8203 states have (on average 3.974643423137876) internal successors, (32604), 8204 states have internal predecessors, (32604), 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 00:26:13,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8205 states, 8203 states have (on average 3.974643423137876) internal successors, (32604), 8204 states have internal predecessors, (32604), 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 00:26:13,976 INFO L131 ngComponentsAnalysis]: Automaton has 877 accepting balls. 7264 [2024-02-10 00:26:13,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:13,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:13,985 INFO L748 eck$LassoCheckResult]: Stem: Black: 16476#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] 16479#[L54]don't care [84] L54-->$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] 16481#[$Ultimate##0, L54-1]don't care [46] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 16485#[L28, L54-1]don't care [47] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 16493#[L30, L54-1]don't care [48] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 16509#[L54-1, L31-1]don't care [2024-02-10 00:26:13,995 INFO L750 eck$LassoCheckResult]: Loop: 16509#[L54-1, L31-1]don't care [50] 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[] 16541#[L32, L54-1]don't care [52] 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] 16599#[L54-1, L33]don't care [53] 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] 16697#[L54-1, L34]don't care [54] 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] 16509#[L54-1, L31-1]don't care [2024-02-10 00:26:14,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash 70888709, now seen corresponding path program 1 times [2024-02-10 00:26:14,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:14,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652509477] [2024-02-10 00:26:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:14,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:14,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2464740, now seen corresponding path program 1 times [2024-02-10 00:26:14,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:14,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62201201] [2024-02-10 00:26:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:14,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:14,251 INFO L85 PathProgramCache]: Analyzing trace with hash -973527320, now seen corresponding path program 1 times [2024-02-10 00:26:14,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:14,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712137589] [2024-02-10 00:26:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:14,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:14,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:14,503 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:14,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:14,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:14,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:14,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:14,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:14,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:14,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:14,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:26:14,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:14,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:14,522 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 00:26:14,588 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 00:26:14,592 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 00:26:14,764 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:14,768 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:14,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:14,800 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 00:26:14,809 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 00:26:14,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:14,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:14,821 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:14,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:14,832 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 00:26:14,848 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:14,849 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:14,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:14,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-10 00:26:14,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:14,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:14,925 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 00:26:14,927 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 00:26:14,937 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 00:26:14,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:14,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:14,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:14,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:14,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:14,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:14,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:14,990 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-02-10 00:26:14,990 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-02-10 00:26:14,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:14,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:14,995 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 00:26:14,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:15,005 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 00:26:15,034 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:15,034 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:15,035 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 00:26:15,045 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 00:26:15,048 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:15,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:15,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:15,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:15,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:15,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:15,233 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 00:26:15,288 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 00:26:15,290 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 00:26:15,502 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 712 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:15,503 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:15,503 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:15,505 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:26:15,565 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:26:15,566 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:15,569 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 00:26:15,576 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 00:26:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 274 transitions. [2024-02-10 00:26:15,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 00:26:15,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:15,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 00:26:15,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:15,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 00:26:15,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:15,580 INFO L428 stractBuchiCegarLoop]: Abstraction has has 66 places, 608 transitions, 2729 flow [2024-02-10 00:26:15,580 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:26:15,580 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:15,580 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 66 places, 608 transitions, 2729 flow [2024-02-10 00:26:15,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-02-10 00:26:16,816 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 18047 states, 18041 states have (on average 6.055152153428303) internal successors, (109241), 18046 states have internal predecessors, (109241), 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 00:26:16,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18047 states, 18041 states have (on average 6.055152153428303) internal successors, (109241), 18046 states have internal predecessors, (109241), 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 00:26:17,158 INFO L131 ngComponentsAnalysis]: Automaton has 1030 accepting balls. 6640 [2024-02-10 00:26:17,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:17,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:17,165 INFO L748 eck$LassoCheckResult]: Stem: Black: 32940#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] Black: 32945#[L54]don't care [84] L54-->$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: 32950#[L54-1, $Ultimate##0]don't care [87] L54-1-->$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: 32960#[L55, $Ultimate##0, $Ultimate##0]don't care [64] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] Black: 32980#[L55, L28, $Ultimate##0]don't care [65] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] Black: 33018#[L55, L30, $Ultimate##0]don't care [66] 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] 33045#[L55, L31-1, $Ultimate##0]don't care [2024-02-10 00:26:17,165 INFO L750 eck$LassoCheckResult]: Loop: 33045#[L55, L31-1, $Ultimate##0]don't care [68] 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[] 33148#[L55, L32, $Ultimate##0]don't care [70] 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] 33329#[L55, L33, $Ultimate##0]don't care [71] 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] 33628#[L55, L34, $Ultimate##0]don't care [72] 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] 33045#[L55, L31-1, $Ultimate##0]don't care [2024-02-10 00:26:17,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:17,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2096178956, now seen corresponding path program 1 times [2024-02-10 00:26:17,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:17,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389320855] [2024-02-10 00:26:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:17,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:17,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash 3018852, now seen corresponding path program 1 times [2024-02-10 00:26:17,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:17,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978667728] [2024-02-10 00:26:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:17,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1030830039, now seen corresponding path program 1 times [2024-02-10 00:26:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:17,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499505817] [2024-02-10 00:26:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:17,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:17,386 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:17,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:17,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:17,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:17,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:17,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:17,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:17,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:26:17,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:17,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:17,390 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 00:26:17,393 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 00:26:17,396 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 00:26:17,398 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 00:26:17,400 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 00:26:17,447 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 00:26:17,449 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 00:26:17,452 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 00:26:17,591 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:17,591 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:17,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,592 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 00:26:17,596 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 00:26:17,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:17,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:17,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:17,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:17,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:17,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:17,611 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 00:26:17,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:17,636 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 00:26:17,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,653 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 00:26:17,655 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 00:26:17,655 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 00:26:17,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:17,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:17,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:17,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:17,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:17,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:17,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:17,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-02-10 00:26:17,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,684 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 00:26:17,690 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 00:26:17,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:17,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:17,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:17,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:17,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:17,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:17,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:17,701 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 00:26:17,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:17,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-02-10 00:26:17,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,718 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 00:26:17,724 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 00:26:17,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:17,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:17,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:17,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:17,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:17,734 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 00:26:17,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:17,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:17,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:17,756 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 00:26:17,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,760 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 00:26:17,791 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 00:26:17,800 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 00:26:17,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:17,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:17,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:17,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:17,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:17,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:17,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:17,850 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-10 00:26:17,851 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-10 00:26:17,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:17,861 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 00:26:17,867 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:17,875 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 00:26:17,889 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:17,889 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:17,890 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 00:26:17,912 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 00:26:17,913 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:17,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:17,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:17,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:17,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:17,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:17,990 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 00:26:17,991 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 00:26:17,991 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 00:26:18,097 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 712 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:18,097 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:18,097 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 712 transitions. [2024-02-10 00:26:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 712 transitions. [2024-02-10 00:26:18,111 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:26:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 712 transitions. [2024-02-10 00:26:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 712 transitions. [2024-02-10 00:26:18,199 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 00:26:18,480 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:26:18,480 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:26:18,480 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 00:26:18,481 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 00:26:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 274 transitions. [2024-02-10 00:26:18,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-10 00:26:18,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:18,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-10 00:26:18,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:18,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-10 00:26:18,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:26:18,483 INFO L428 stractBuchiCegarLoop]: Abstraction has has 79 places, 10037 transitions, 64998 flow [2024-02-10 00:26:18,483 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:26:18,483 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:18,483 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 79 places, 10037 transitions, 64998 flow [2024-02-10 00:26:52,432 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 47882 states, 47852 states have (on average 8.183357017470534) internal successors, (391590), 47881 states have internal predecessors, (391590), 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 00:26:52,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 47882 states, 47852 states have (on average 8.183357017470534) internal successors, (391590), 47881 states have internal predecessors, (391590), 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 00:26:54,150 INFO L131 ngComponentsAnalysis]: Automaton has 2166 accepting balls. 10848 [2024-02-10 00:26:54,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:26:54,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:26:54,152 INFO L748 eck$LassoCheckResult]: Stem: Black: 78938#[$Ultimate##0]don't care [43] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_N_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1} AuxVars[] AssignedVars[] Black: 78947#[L54]don't care [84] L54-->$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: 78961#[L54-1, $Ultimate##0]don't care [87] L54-1-->$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: 78992#[$Ultimate##0, $Ultimate##0, L55]don't care [90] L55-->$Ultimate##0: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2) (= v_ULTIMATE.start_k3_3 v_sumThread1of1ForFork2_hi_6) (= v_sumThread1of1ForFork2_lo_4 (+ v_ULTIMATE.start_k2_5 1))) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_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, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_8, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_16, ULTIMATE.start_k3=v_ULTIMATE.start_k3_3, 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: 79042#[L56, $Ultimate##0, $Ultimate##0, $Ultimate##0]don't care [73] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork2_x_1 0) InVars {} OutVars{sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_x] 79093#[L56, L28, $Ultimate##0, $Ultimate##0]don't care [74] L28-->L30: Formula: (= v_sumThread1of1ForFork2_z_1 0) InVars {} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork2_z] Black: 79246#[L56, $Ultimate##0, $Ultimate##0, L30]don't care [75] 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] 79533#[L56, L31-1, $Ultimate##0, $Ultimate##0]don't care [2024-02-10 00:26:54,152 INFO L750 eck$LassoCheckResult]: Loop: 79533#[L56, L31-1, $Ultimate##0, $Ultimate##0]don't care [77] 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: 80076#[L56, L32, $Ultimate##0, $Ultimate##0]don't care [79] 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] 81013#[L56, L33, $Ultimate##0, $Ultimate##0]don't care [80] 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: 82451#[L56, L34, $Ultimate##0, $Ultimate##0]don't care [81] 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] 79533#[L56, L31-1, $Ultimate##0, $Ultimate##0]don't care [2024-02-10 00:26:54,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash -556255619, now seen corresponding path program 1 times [2024-02-10 00:26:54,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:54,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230997989] [2024-02-10 00:26:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:54,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:54,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:54,164 INFO L85 PathProgramCache]: Analyzing trace with hash 3295908, now seen corresponding path program 1 times [2024-02-10 00:26:54,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:54,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114605735] [2024-02-10 00:26:54,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:54,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:54,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1294802144, now seen corresponding path program 1 times [2024-02-10 00:26:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:26:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510054582] [2024-02-10 00:26:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:26:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:26:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:26:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:26:54,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:26:54,515 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:26:54,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:26:54,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:26:54,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:26:54,516 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:26:54,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:54,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:26:54,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:26:54,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum4.bpl_BEv2_Iteration3_Lasso [2024-02-10 00:26:54,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:26:54,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:26:54,518 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 00:26:54,521 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 00:26:54,522 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 00:26:54,525 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 00:26:54,527 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 00:26:54,529 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 00:26:54,531 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 00:26:54,533 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 00:26:54,535 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 00:26:54,536 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 00:26:54,577 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 00:26:54,579 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 00:26:54,581 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 00:26:54,583 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 00:26:54,761 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:26:54,761 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:26:54,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:54,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:54,780 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 00:26:54,828 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 00:26:54,829 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 00:26:54,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:54,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:54,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:54,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:54,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:54,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:54,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:54,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:54,853 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 00:26:54,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:54,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:54,865 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 00:26:54,872 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 00:26:54,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:54,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:54,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:54,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:54,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:54,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:54,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:54,882 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 00:26:54,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:54,896 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 00:26:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:54,899 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 00:26:54,907 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 00:26:54,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:54,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:54,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:54,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:54,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:54,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:54,921 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 00:26:54,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:54,935 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 00:26:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:54,957 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 00:26:55,004 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 00:26:55,006 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 00:26:55,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:55,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:55,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:55,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,049 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 00:26:55,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,051 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 00:26:55,057 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 00:26:55,066 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 00:26:55,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:55,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:55,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,107 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 00:26:55,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,121 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 00:26:55,161 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 00:26:55,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:55,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:55,177 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 00:26:55,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,215 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 00:26:55,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,229 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 00:26:55,264 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 00:26:55,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:55,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:55,276 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 00:26:55,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,295 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 00:26:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,297 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 00:26:55,302 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 00:26:55,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:55,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:55,314 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 00:26:55,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,335 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 00:26:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,337 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 00:26:55,339 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 00:26:55,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:26:55,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:26:55,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:26:55,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:26:55,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,366 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 00:26:55,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,368 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 00:26:55,374 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 00:26:55,374 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 00:26:55,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,383 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:26:55,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,389 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:26:55,390 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:26:55,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:26:55,413 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 00:26:55,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,429 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 00:26:55,503 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 00:26:55,512 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 00:26:55,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:26:55,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:26:55,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:26:55,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:26:55,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:26:55,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:26:55,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:26:55,568 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:26:55,568 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. [2024-02-10 00:26:55,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,581 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 00:26:55,611 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 00:26:55,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:26:55,621 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:26:55,621 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:26:55,621 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork2_i, sumThread1of1ForFork2_hi) = -1*sumThread1of1ForFork2_i + 1*sumThread1of1ForFork2_hi Supporting invariants [] [2024-02-10 00:26:55,629 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 00:26:55,630 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:26:55,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:26:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:55,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:26:55,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:26:55,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:26:55,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:26:55,704 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 00:26:55,705 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 00:26:55,705 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 00:26:55,780 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 9 states and 712 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:26:55,780 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:26:55,780 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:26:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 712 transitions. [2024-02-10 00:26:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 712 transitions. [2024-02-10 00:26:55,782 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:26:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 712 transitions. [2024-02-10 00:26:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 712 transitions. [2024-02-10 00:26:55,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-02-10 00:27:02,023 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:27:02,023 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:27:02,024 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 00:27:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 00:27:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 274 transitions. [2024-02-10 00:27:02,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 00:27:02,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:02,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 11 letters. Loop has 4 letters. [2024-02-10 00:27:02,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:02,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 274 transitions. Stem has 7 letters. Loop has 8 letters. [2024-02-10 00:27:02,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:02,026 INFO L428 stractBuchiCegarLoop]: Abstraction has has 92 places, 165546 transitions, 1400919 flow [2024-02-10 00:27:02,026 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-10 00:27:02,026 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:27:02,026 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 92 places, 165546 transitions, 1400919 flow Received shutdown request... [2024-02-10 00:30:30,388 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2024-02-10 00:30:30,394 INFO L201 PluginConnector]: Adding new model max-tailsum4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:30:30 BoogieIcfgContainer [2024-02-10 00:30:30,394 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:30:30,394 INFO L158 Benchmark]: Toolchain (without parser) took 258259.88ms. Allocated memory was 174.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 136.7MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 5.7GB. Max. memory is 8.0GB. [2024-02-10 00:30:30,394 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:30:30,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.34ms. Allocated memory is still 174.1MB. Free memory was 136.7MB in the beginning and 146.4MB in the end (delta: -9.7MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. [2024-02-10 00:30:30,395 INFO L158 Benchmark]: Boogie Preprocessor took 14.51ms. Allocated memory is still 174.1MB. Free memory was 153.3MB in the beginning and 152.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:30:30,395 INFO L158 Benchmark]: RCFGBuilder took 255.73ms. Allocated memory is still 174.1MB. Free memory was 152.1MB in the beginning and 142.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-10 00:30:30,395 INFO L158 Benchmark]: BuchiAutomizer took 257915.33ms. Allocated memory was 174.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.2MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 5.7GB. Max. memory is 8.0GB. [2024-02-10 00:30:30,396 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 0.14ms. Allocated memory is still 174.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.34ms. Allocated memory is still 174.1MB. Free memory was 136.7MB in the beginning and 146.4MB in the end (delta: -9.7MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.51ms. Allocated memory is still 174.1MB. Free memory was 153.3MB in the beginning and 152.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 255.73ms. Allocated memory is still 174.1MB. Free memory was 152.1MB in the beginning and 142.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 257915.33ms. Allocated memory was 174.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.2MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 5.7GB. 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 + hi and consists of 5 locations. The remainder module has 1400919 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 257.7s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 3.3s. Construction of modules took 0.1s. Büchi inclusion checks took 7.3s. 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, 480 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 780 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 402 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital91 mio100 ax100 hnf100 lsp114 ukn66 mio100 lsp56 div100 bol100 ite100 ukn100 eq169 hnf92 smp100 dnf182 smp59 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 114ms 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 [2024-02-10 00:30:30,405 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 Completed graceful shutdown [2024-02-10 00:30:30,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0