/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-tailsum5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:26:55,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:26:55,082 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 00:26:55,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:26:55,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:26:55,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:26:55,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:26:55,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:26:55,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:26:55,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:26:55,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:26:55,160 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:26:55,160 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:26:55,160 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:26:55,160 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:26:55,161 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:26:55,161 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:26:55,161 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:26:55,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:26:55,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:26:55,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:26:55,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:26:55,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:26:55,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:26:55,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:26:55,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:26:55,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:26:55,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:26:55,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:26:55,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:26:55,171 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:26:55,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:26:55,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:26:55,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:26:55,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:26:55,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:26:55,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:26:55,172 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:26:55,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:26:55,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:26:55,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:26:55,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:26:55,490 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:26:55,491 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:26:55,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum5.bpl [2024-02-10 00:26:55,493 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum5.bpl' [2024-02-10 00:26:55,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:26:55,518 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:26:55,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:55,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:26:55,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:26:55,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,539 INFO L138 Inliner]: procedures = 3, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 00:26:55,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:26:55,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:26:55,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:26:55,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:26:55,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:26:55,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:26:55,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:26:55,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:26:55,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/1) ... [2024-02-10 00:26:55,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:26:55,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:26:55,663 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 00:26:55,669 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 00:26:55,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:26:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:26:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:26:55,705 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-10 00:26:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-10 00:26:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-10 00:26:55,705 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 00:26:55,752 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:26:55,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:26:55,849 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:26:55,855 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:26:55,855 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:26:55,856 INFO L201 PluginConnector]: Adding new model max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:55 BoogieIcfgContainer [2024-02-10 00:26:55,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:26:55,857 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:26:55,857 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:26:55,861 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:26:55,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:55,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:26:55" (1/2) ... [2024-02-10 00:26:55,863 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e39580c and model type max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:26:55, skipping insertion in model container [2024-02-10 00:26:55,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:26:55,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:26:55" (2/2) ... [2024-02-10 00:26:55,864 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum5.bpl [2024-02-10 00:26:55,956 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-02-10 00:26:55,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 69 transitions, 173 flow [2024-02-10 00:26:56,010 INFO L124 PetriNetUnfolderBase]: 5/59 cut-off events. [2024-02-10 00:26:56,011 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-02-10 00:26:56,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 59 events. 5/59 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 178 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-02-10 00:26:56,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 69 transitions, 173 flow [2024-02-10 00:26:56,030 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 59 transitions, 148 flow [2024-02-10 00:26:56,039 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:26:56,039 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:26:56,039 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:26:56,040 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:26:56,040 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:26:56,040 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:26:56,040 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:26:56,040 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:26:56,040 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:26:56,042 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 70 places, 59 transitions, 148 flow [2024-02-10 00:26:59,259 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 73815 states, 73813 states have (on average 4.974936664273231) internal successors, (367215), 73814 states have internal predecessors, (367215), 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 00:26:59,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 73815 states, 73813 states have (on average 4.974936664273231) internal successors, (367215), 73814 states have internal predecessors, (367215), 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 00:27:02,419 INFO L131 ngComponentsAnalysis]: Automaton has 6199 accepting balls. 69124 [2024-02-10 00:27:02,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:27:02,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:27:02,427 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:27:02,427 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:27:02,428 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 70 places, 59 transitions, 148 flow [2024-02-10 00:27:04,647 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 73815 states, 73813 states have (on average 4.974936664273231) internal successors, (367215), 73814 states have internal predecessors, (367215), 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 00:27:04,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 73815 states, 73813 states have (on average 4.974936664273231) internal successors, (367215), 73814 states have internal predecessors, (367215), 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 00:27:07,158 INFO L131 ngComponentsAnalysis]: Automaton has 6199 accepting balls. 69124 [2024-02-10 00:27:07,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:27:07,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:27:07,168 INFO L748 eck$LassoCheckResult]: Stem: Black: 147710#[$Ultimate##0]don't care [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] 147713#[L54]don't care [97] L54-->$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] 147715#[$Ultimate##0, L54-1]don't care [50] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork0_x_1 0) InVars {} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_x] 147717#[L28, L54-1]don't care [51] L28-->L30: Formula: (= v_sumThread1of1ForFork0_z_1 0) InVars {} OutVars{sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_z] 147723#[L30, L54-1]don't care [52] L30-->L31-1: Formula: (= v_sumThread1of1ForFork0_i_1 v_sumThread1of1ForFork0_lo_1) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1} OutVars{sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_1, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_1} AuxVars[] AssignedVars[sumThread1of1ForFork0_i] 147735#[L31-1, L54-1]don't care [2024-02-10 00:27:07,169 INFO L750 eck$LassoCheckResult]: Loop: 147735#[L31-1, L54-1]don't care [54] 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[] 147761#[L32, L54-1]don't care [56] 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] 147813#[L33, L54-1]don't care [57] 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] 147915#[L34, L54-1]don't care [58] 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] 147735#[L31-1, L54-1]don't care [2024-02-10 00:27:07,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:07,174 INFO L85 PathProgramCache]: Analyzing trace with hash 74974048, now seen corresponding path program 1 times [2024-02-10 00:27:07,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:07,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737663666] [2024-02-10 00:27:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:07,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:07,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2587876, now seen corresponding path program 1 times [2024-02-10 00:27:07,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:07,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912227973] [2024-02-10 00:27:07,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:07,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:07,298 INFO L85 PathProgramCache]: Analyzing trace with hash 941668547, now seen corresponding path program 1 times [2024-02-10 00:27:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:07,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901392366] [2024-02-10 00:27:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:07,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:07,617 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:27:07,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:27:07,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:27:07,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:27:07,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:27:07,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:07,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:27:07,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:27:07,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration1_Lasso [2024-02-10 00:27:07,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:27:07,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:27:07,648 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 00:27:07,883 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 00:27:07,893 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 00:27:08,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:27:08,044 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:27:08,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:08,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:08,080 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 00:27:08,139 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 00:27:08,146 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 00:27:08,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:08,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:08,155 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 00:27:08,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:08,186 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 00:27:08,186 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 00:27:08,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:27:08,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-10 00:27:08,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:08,230 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 00:27:08,235 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 00:27:08,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:08,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:08,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:08,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:08,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:27:08,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:27:08,254 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 00:27:08,269 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:27:08,284 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-02-10 00:27:08,284 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-02-10 00:27:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:08,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:08,289 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 00:27:08,291 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 00:27:08,291 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:27:08,321 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:27:08,322 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:27:08,322 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 00:27:08,348 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 00:27:08,351 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:27:08,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:27:08,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:27:08,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:27:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:27:08,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:27:08,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:27:08,469 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 00:27:08,501 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 00:27:08,503 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 00:27:08,679 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 881 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:27:08,680 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:27:08,681 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:27:08,682 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:27:08,735 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:27:08,735 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:27:08,737 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 00:27:08,744 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 00:27:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 339 transitions. [2024-02-10 00:27:08,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 00:27:08,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:08,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-10 00:27:08,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:08,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 5 letters. Loop has 8 letters. [2024-02-10 00:27:08,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:08,748 INFO L428 stractBuchiCegarLoop]: Abstraction has has 79 places, 751 transitions, 3379 flow [2024-02-10 00:27:08,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:27:08,749 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:27:08,749 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 79 places, 751 transitions, 3379 flow [2024-02-10 00:27:09,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 00:27:21,543 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 162389 states, 162383 states have (on average 7.599859591213366) internal successors, (1234088), 162388 states have internal predecessors, (1234088), 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 00:27:21,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162389 states, 162383 states have (on average 7.599859591213366) internal successors, (1234088), 162388 states have internal predecessors, (1234088), 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 00:27:27,084 INFO L131 ngComponentsAnalysis]: Automaton has 7740 accepting balls. 66000 [2024-02-10 00:27:27,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:27:27,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:27:27,095 INFO L748 eck$LassoCheckResult]: Stem: Black: 295394#[$Ultimate##0]don't care [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] Black: 295397#[L54]don't care [97] L54-->$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] 295405#[$Ultimate##0, L54-1]don't care [100] L54-1-->$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] 295410#[$Ultimate##0, L55, $Ultimate##0]don't care [77] $Ultimate##0-->L28: Formula: (= v_sumThread1of1ForFork1_x_1 0) InVars {} OutVars{sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_x] 295420#[L55, $Ultimate##0, L28]don't care [78] L28-->L30: Formula: (= v_sumThread1of1ForFork1_z_1 0) InVars {} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_1} AuxVars[] AssignedVars[sumThread1of1ForFork1_z] 295440#[L30, L55, $Ultimate##0]don't care [79] 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] 295478#[L55, $Ultimate##0, L31-1]don't care [2024-02-10 00:27:27,108 INFO L750 eck$LassoCheckResult]: Loop: 295478#[L55, $Ultimate##0, L31-1]don't care [81] 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[] 295581#[L32, L55, $Ultimate##0]don't care [83] 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] 295787#[L55, $Ultimate##0, L33]don't care [84] 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] 296170#[L34, L55, $Ultimate##0]don't care [85] 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] 295478#[L55, $Ultimate##0, L31-1]don't care [2024-02-10 00:27:27,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1969256387, now seen corresponding path program 1 times [2024-02-10 00:27:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:27,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300715335] [2024-02-10 00:27:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:27,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash 3419044, now seen corresponding path program 1 times [2024-02-10 00:27:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:27,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223050814] [2024-02-10 00:27:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:27,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1558366752, now seen corresponding path program 1 times [2024-02-10 00:27:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:27:27,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047167043] [2024-02-10 00:27:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:27:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:27:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:27:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:27:27,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:27:27,397 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:27:27,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:27:27,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:27:27,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:27:27,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:27:27,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,398 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:27:27,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:27:27,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration2_Lasso [2024-02-10 00:27:27,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:27:27,398 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:27:27,401 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 00:27:27,404 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 00:27:27,406 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 00:27:27,408 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 00:27:27,410 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 00:27:27,460 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 00:27:27,462 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 00:27:27,465 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 00:27:27,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:27:27,631 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:27:27,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,633 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 00:27:27,635 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 00:27:27,661 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 00:27:27,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:27,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:27,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:27,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:27,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:27:27,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:27:27,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:27:27,692 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 00:27:27,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,696 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 00:27:27,711 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 00:27:27,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:27,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:27,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:27,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:27,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:27:27,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:27:27,725 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 00:27:27,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:27:27,739 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 00:27:27,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,741 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 00:27:27,747 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 00:27:27,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:27,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:27:27,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:27,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:27,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:27,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:27:27,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:27:27,760 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 00:27:27,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:27:27,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-02-10 00:27:27,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,778 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 00:27:27,783 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 00:27:27,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:27,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:27:27,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:27,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:27,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:27,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:27:27,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:27:27,794 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 00:27:27,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:27:27,808 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 00:27:27,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,817 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 00:27:27,826 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 00:27:27,829 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 00:27:27,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:27:27,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:27:27,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:27:27,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:27:27,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:27:27,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:27:27,856 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:27:27,869 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-10 00:27:27,870 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2024-02-10 00:27:27,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:27:27,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:27:27,871 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 00:27:27,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:27:27,885 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 00:27:27,895 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 00:27:27,895 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:27:27,895 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 00:27:27,902 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 00:27:27,903 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:27:27,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:27:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:27:27,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:27:27,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:27:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:27:27,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 00:27:27,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:27:27,976 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 00:27:27,976 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 00:27:27,976 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 00:27:28,054 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 881 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 00:27:28,054 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:27:28,054 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:27:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 881 transitions. [2024-02-10 00:27:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 881 transitions. [2024-02-10 00:27:28,062 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:27:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states and 881 transitions. [2024-02-10 00:27:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 881 transitions. [2024-02-10 00:27:28,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-02-10 00:27:29,171 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:27:29,171 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:27:29,172 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 00:27:29,172 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 00:27:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 339 transitions. [2024-02-10 00:27:29,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-10 00:27:29,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:29,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 10 letters. Loop has 4 letters. [2024-02-10 00:27:29,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:29,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 339 transitions. Stem has 6 letters. Loop has 8 letters. [2024-02-10 00:27:29,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:27:29,174 INFO L428 stractBuchiCegarLoop]: Abstraction has has 92 places, 12468 transitions, 80910 flow [2024-02-10 00:27:29,174 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 00:27:29,174 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:27:29,174 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 92 places, 12468 transitions, 80910 flow Received shutdown request... [2024-02-10 00:31:24,594 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2024-02-10 00:31:24,599 INFO L201 PluginConnector]: Adding new model max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 12:31:24 BoogieIcfgContainer [2024-02-10 00:31:24,600 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 00:31:24,600 INFO L158 Benchmark]: Toolchain (without parser) took 269082.49ms. Allocated memory was 172.0MB in the beginning and 7.6GB in the end (delta: 7.5GB). Free memory was 133.8MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 7.1GB. Max. memory is 8.0GB. [2024-02-10 00:31:24,600 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 00:31:24,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.59ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 133.7MB in the beginning and 318.7MB in the end (delta: -185.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-02-10 00:31:24,601 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 343.9MB. Free memory was 318.7MB in the beginning and 317.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 00:31:24,602 INFO L158 Benchmark]: RCFGBuilder took 243.51ms. Allocated memory is still 343.9MB. Free memory was 317.6MB in the beginning and 307.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-02-10 00:31:24,602 INFO L158 Benchmark]: BuchiAutomizer took 268742.22ms. Allocated memory was 343.9MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 307.1MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 7.1GB. Max. memory is 8.0GB. [2024-02-10 00:31:24,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.59ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 133.7MB in the beginning and 318.7MB in the end (delta: -185.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 343.9MB. Free memory was 318.7MB in the beginning and 317.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 243.51ms. Allocated memory is still 343.9MB. Free memory was 317.6MB in the beginning and 307.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 268742.22ms. Allocated memory was 343.9MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 307.1MB in the beginning and 4.7GB in the end (delta: -4.4GB). Peak memory consumption was 7.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic) 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. The remainder module has 80910 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 268.6s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 397 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 395 mSDsluCounter, 652 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 334 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital86 mio100 ax100 hnf100 lsp119 ukn66 mio100 lsp54 div100 bol100 ite100 ukn100 eq165 hnf93 smp100 dnf193 smp56 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 174ms 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. [2024-02-10 00:31:24,610 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2024-02-10 00:31:24,625 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