/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:18:56,263 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:18:56,317 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:18:56,335 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:18:56,335 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:18:56,335 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:18:56,336 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:18:56,339 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:18:56,339 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:18:56,342 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:18:56,343 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:18:56,343 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:18:56,343 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:18:56,344 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:18:56,344 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:18:56,345 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:18:56,345 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:18:56,345 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:18:56,345 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:18:56,345 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:18:56,345 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:18:56,346 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:18:56,347 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:18:56,347 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:18:56,347 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:18:56,347 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:18:56,347 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:18:56,347 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:18:56,348 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:18:56,348 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:18:56,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:18:56,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:18:56,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:18:56,489 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:18:56,490 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:18:56,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum5.bpl [2023-10-12 17:18:56,491 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/max-tailsum5.bpl' [2023-10-12 17:18:56,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:18:56,519 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:18:56,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:56,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:18:56,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:18:56,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,540 INFO L138 Inliner]: procedures = 3, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:18:56,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:56,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:18:56,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:18:56,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:18:56,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:18:56,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:18:56,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:18:56,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:18:56,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/1) ... [2023-10-12 17:18:56,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:56,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:56,594 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) [2023-10-12 17:18:56,600 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 [2023-10-12 17:18:56,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:18:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:18:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:18:56,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2023-10-12 17:18:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-10-12 17:18:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-10-12 17:18:56,632 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:18:56,668 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:18:56,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:18:56,810 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:18:56,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:18:56,819 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:18:56,820 INFO L201 PluginConnector]: Adding new model max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:56 BoogieIcfgContainer [2023-10-12 17:18:56,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:18:56,829 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:18:56,830 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:18:56,832 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:18:56,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:56,833 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:56" (1/2) ... [2023-10-12 17:18:56,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e658184 and model type max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:18:56, skipping insertion in model container [2023-10-12 17:18:56,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:56,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:56" (2/2) ... [2023-10-12 17:18:56,835 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-tailsum5.bpl [2023-10-12 17:18:56,934 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-10-12 17:18:56,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 69 transitions, 178 flow [2023-10-12 17:18:56,974 INFO L124 PetriNetUnfolderBase]: 5/59 cut-off events. [2023-10-12 17:18:56,974 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:18:56,979 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. [2023-10-12 17:18:56,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 69 transitions, 178 flow [2023-10-12 17:18:56,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 59 transitions, 148 flow [2023-10-12 17:18:56,985 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:18:57,001 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 59 transitions, 148 flow [2023-10-12 17:18:57,003 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 59 transitions, 148 flow [2023-10-12 17:18:57,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 59 transitions, 148 flow [2023-10-12 17:18:57,014 INFO L124 PetriNetUnfolderBase]: 5/59 cut-off events. [2023-10-12 17:18:57,014 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:18:57,015 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. [2023-10-12 17:18:57,016 INFO L119 LiptonReduction]: Number of co-enabled transitions 1980 [2023-10-12 17:18:57,536 INFO L134 LiptonReduction]: Checked pairs total: 1472 [2023-10-12 17:18:57,536 INFO L136 LiptonReduction]: Total number of compositions: 31 [2023-10-12 17:18:57,547 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:18:57,547 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:18:57,547 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:18:57,547 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:18:57,547 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:18:57,547 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:18:57,547 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:18:57,547 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:18:57,548 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 places, 28 transitions, 86 flow [2023-10-12 17:18:57,553 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:57,553 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:18:57,553 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:57,553 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:57,557 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:18:57,558 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 places, 28 transitions, 86 flow [2023-10-12 17:18:57,561 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:57,562 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:18:57,562 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:57,563 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:57,567 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] 81#[L54]true [97] L54-->$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] 83#[L54-1, $Ultimate##0]true [139] $Ultimate##0-->L31-1: Formula: (and (= v_sumThread1of1ForFork0_i_27 v_sumThread1of1ForFork0_lo_5) (= 0 v_sumThread1of1ForFork0_x_21) (= 0 v_sumThread1of1ForFork0_z_13)) InVars {sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_5} OutVars{sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_21, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_13, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_27, sumThread1of1ForFork0_lo=v_sumThread1of1ForFork0_lo_5} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 85#[L54-1, L31-1]true [2023-10-12 17:18:57,567 INFO L750 eck$LassoCheckResult]: Loop: 85#[L54-1, L31-1]true [145] L31-1-->L31-1: Formula: (and (< v_sumThread1of1ForFork0_i_30 v_sumThread1of1ForFork0_hi_11) (= (+ v_sumThread1of1ForFork0_i_30 1) v_sumThread1of1ForFork0_i_29) (= (let ((.cse0 (+ (select v_A_31 v_sumThread1of1ForFork0_i_29) v_sumThread1of1ForFork0_z_16))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork0_z_15) (= (+ v_sumThread1of1ForFork0_x_24 (select v_A_31 v_sumThread1of1ForFork0_i_30)) v_sumThread1of1ForFork0_x_23)) InVars {A=v_A_31, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_11, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_24, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_16, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_30} OutVars{A=v_A_31, sumThread1of1ForFork0_hi=v_sumThread1of1ForFork0_hi_11, sumThread1of1ForFork0_x=v_sumThread1of1ForFork0_x_23, sumThread1of1ForFork0_z=v_sumThread1of1ForFork0_z_15, sumThread1of1ForFork0_i=v_sumThread1of1ForFork0_i_29} AuxVars[] AssignedVars[sumThread1of1ForFork0_x, sumThread1of1ForFork0_z, sumThread1of1ForFork0_i] 85#[L54-1, L31-1]true [2023-10-12 17:18:57,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:57,574 INFO L85 PathProgramCache]: Analyzing trace with hash 78104, now seen corresponding path program 1 times [2023-10-12 17:18:57,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:57,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110668894] [2023-10-12 17:18:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:57,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 176, now seen corresponding path program 1 times [2023-10-12 17:18:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620661246] [2023-10-12 17:18:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:57,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:57,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2421369, now seen corresponding path program 1 times [2023-10-12 17:18:57,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:57,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047008635] [2023-10-12 17:18:57,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:57,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:57,879 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:57,880 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:57,880 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:57,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:57,880 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:57,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:57,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:57,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:57,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:18:57,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:57,881 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:57,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:57,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:57,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:58,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:58,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:58,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:58,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:58,051 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) [2023-10-12 17:18:58,063 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 [2023-10-12 17:18:58,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:58,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:58,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:58,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:58,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:58,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:58,083 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 [2023-10-12 17:18:58,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:58,098 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 [2023-10-12 17:18:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:58,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:58,099 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) [2023-10-12 17:18:58,101 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 [2023-10-12 17:18:58,103 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 [2023-10-12 17:18:58,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:58,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:58,109 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:18:58,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:58,129 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:18:58,129 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:18:58,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:58,157 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 [2023-10-12 17:18:58,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:58,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:58,158 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) [2023-10-12 17:18:58,184 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 [2023-10-12 17:18:58,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:58,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:58,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:58,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:58,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:58,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:58,202 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 [2023-10-12 17:18:58,209 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:58,238 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-10-12 17:18:58,238 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-10-12 17:18:58,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:58,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:58,254 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) [2023-10-12 17:18:58,256 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 [2023-10-12 17:18:58,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:58,278 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:18:58,278 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:58,279 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_k2, sumThread1of1ForFork0_i) = 1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork0_i Supporting invariants [1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork0_hi >= 0] [2023-10-12 17:18:58,284 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 [2023-10-12 17:18:58,288 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:58,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:58,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:58,381 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:58,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:18:58,405 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2023-10-12 17:18:58,406 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-10-12 17:18:58,762 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 [2023-10-12 17:18:58,817 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 890 transitions. [2023-10-12 17:18:58,817 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:58,821 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 2 accepting loop states [2023-10-12 17:18:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-10-12 17:18:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2023-10-12 17:18:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 494 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:18:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 494 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:18:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:58,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 494 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:18:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:58,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 492 transitions, 2496 flow [2023-10-12 17:18:59,280 INFO L124 PetriNetUnfolderBase]: 7071/8638 cut-off events. [2023-10-12 17:18:59,281 INFO L125 PetriNetUnfolderBase]: For 1048/1048 co-relation queries the response was YES. [2023-10-12 17:18:59,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18582 conditions, 8638 events. 7071/8638 cut-off events. For 1048/1048 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 29659 event pairs, 194 based on Foata normal form. 0/5267 useless extension candidates. Maximal degree in co-relation 17513. Up to 2763 conditions per place. [2023-10-12 17:18:59,294 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 55 places, 492 transitions, 2496 flow [2023-10-12 17:18:59,301 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 55 places, 492 transitions, 2496 flow [2023-10-12 17:18:59,305 INFO L430 stractBuchiCegarLoop]: Abstraction has has 55 places, 492 transitions, 2496 flow [2023-10-12 17:18:59,305 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:18:59,305 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 55 places, 492 transitions, 2496 flow [2023-10-12 17:18:59,309 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:59,309 INFO L124 PetriNetUnfolderBase]: 20/41 cut-off events. [2023-10-12 17:18:59,309 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-10-12 17:18:59,309 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:59,310 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] 81#[L54]true [97] L54-->$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] 83#[L54-1, $Ultimate##0]true [100] L54-1-->$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] 156#[$Ultimate##0, $Ultimate##0, L55]true [143] $Ultimate##0-->L31-1: Formula: (and (= v_sumThread1of1ForFork1_lo_5 v_sumThread1of1ForFork1_i_29) (= 0 v_sumThread1of1ForFork1_z_21) (= 0 v_sumThread1of1ForFork1_x_21)) InVars {sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_5} OutVars{sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_21, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_29, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_21, sumThread1of1ForFork1_lo=v_sumThread1of1ForFork1_lo_5} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 158#[L31-1, $Ultimate##0, L55]true [2023-10-12 17:18:59,310 INFO L750 eck$LassoCheckResult]: Loop: 158#[L31-1, $Ultimate##0, L55]true [142] L31-1-->L31-1: Formula: (and (= (+ (select v_A_27 v_sumThread1of1ForFork1_i_26) v_sumThread1of1ForFork1_x_18) v_sumThread1of1ForFork1_x_17) (< v_sumThread1of1ForFork1_i_26 v_sumThread1of1ForFork1_hi_11) (= (let ((.cse0 (+ (select v_A_27 v_sumThread1of1ForFork1_i_25) v_sumThread1of1ForFork1_z_18))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork1_z_17) (= (+ v_sumThread1of1ForFork1_i_26 1) v_sumThread1of1ForFork1_i_25)) InVars {A=v_A_27, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_18, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_26, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_18} OutVars{A=v_A_27, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_17, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_25, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_17} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 158#[L31-1, $Ultimate##0, L55]true [142] L31-1-->L31-1: Formula: (and (= (+ (select v_A_27 v_sumThread1of1ForFork1_i_26) v_sumThread1of1ForFork1_x_18) v_sumThread1of1ForFork1_x_17) (< v_sumThread1of1ForFork1_i_26 v_sumThread1of1ForFork1_hi_11) (= (let ((.cse0 (+ (select v_A_27 v_sumThread1of1ForFork1_i_25) v_sumThread1of1ForFork1_z_18))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork1_z_17) (= (+ v_sumThread1of1ForFork1_i_26 1) v_sumThread1of1ForFork1_i_25)) InVars {A=v_A_27, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_18, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_26, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_18} OutVars{A=v_A_27, sumThread1of1ForFork1_hi=v_sumThread1of1ForFork1_hi_11, sumThread1of1ForFork1_z=v_sumThread1of1ForFork1_z_17, sumThread1of1ForFork1_i=v_sumThread1of1ForFork1_i_25, sumThread1of1ForFork1_x=v_sumThread1of1ForFork1_x_17} AuxVars[] AssignedVars[sumThread1of1ForFork1_z, sumThread1of1ForFork1_i, sumThread1of1ForFork1_x] 158#[L31-1, $Ultimate##0, L55]true [2023-10-12 17:18:59,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:59,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2420158, now seen corresponding path program 1 times [2023-10-12 17:18:59,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:59,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272466690] [2023-10-12 17:18:59,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:59,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:59,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash 5505, now seen corresponding path program 1 times [2023-10-12 17:18:59,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:59,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944764649] [2023-10-12 17:18:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:59,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:59,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1969190914, now seen corresponding path program 1 times [2023-10-12 17:18:59,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:59,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245130542] [2023-10-12 17:18:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:59,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:59,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:59,615 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:59,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:59,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:59,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:59,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:59,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:59,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:59,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:59,616 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:18:59,616 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:59,616 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:59,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:18:59,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:59,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:59,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:59,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:59,972 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) [2023-10-12 17:18:59,989 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 [2023-10-12 17:18:59,989 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 [2023-10-12 17:18:59,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:59,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:59,995 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:18:59,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:00,017 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:19:00,017 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:19:00,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:00,055 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 [2023-10-12 17:19:00,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:00,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:00,057 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) [2023-10-12 17:19:00,075 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 [2023-10-12 17:19:00,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:00,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:00,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:00,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:00,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:00,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:00,088 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 [2023-10-12 17:19:00,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:19:00,128 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:19:00,128 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-10-12 17:19:00,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:00,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:00,133 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) [2023-10-12 17:19:00,135 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 [2023-10-12 17:19:00,136 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:19:00,157 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:19:00,158 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:19:00,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_k2, sumThread1of1ForFork1_i) = 1*ULTIMATE.start_k2 - 1*sumThread1of1ForFork1_i Supporting invariants [-1*sumThread1of1ForFork1_hi + 1*ULTIMATE.start_k2 >= 0] [2023-10-12 17:19:00,163 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 [2023-10-12 17:19:00,166 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:19:00,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:00,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:19:00,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:00,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:19:00,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:19:00,225 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:19:00,226 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:00,548 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 986 transitions. [2023-10-12 17:19:00,549 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:19:00,575 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:19:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2023-10-12 17:19:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 491 transitions. [2023-10-12 17:19:00,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 491 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:19:00,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:00,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 491 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:19:00,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:00,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 491 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:19:00,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:00,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 9516 transitions, 67332 flow [2023-10-12 17:19:00,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:19:02,970 INFO L124 PetriNetUnfolderBase]: 22654/27183 cut-off events. [2023-10-12 17:19:02,971 INFO L125 PetriNetUnfolderBase]: For 3307/3307 co-relation queries the response was YES. [2023-10-12 17:19:02,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85728 conditions, 27183 events. 22654/27183 cut-off events. For 3307/3307 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 101220 event pairs, 320 based on Foata normal form. 0/15207 useless extension candidates. Maximal degree in co-relation 81672. Up to 9391 conditions per place. [2023-10-12 17:19:02,995 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 73 places, 9516 transitions, 67332 flow [2023-10-12 17:19:03,128 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 73 places, 9516 transitions, 67332 flow [2023-10-12 17:19:03,129 INFO L430 stractBuchiCegarLoop]: Abstraction has has 73 places, 9516 transitions, 67332 flow [2023-10-12 17:19:03,129 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:19:03,129 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 73 places, 9516 transitions, 67332 flow [2023-10-12 17:19:03,165 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:19:03,166 INFO L124 PetriNetUnfolderBase]: 128/190 cut-off events. [2023-10-12 17:19:03,166 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-10-12 17:19:03,166 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:19:03,166 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] 81#[L54]true [97] L54-->$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] 83#[L54-1, $Ultimate##0]true [100] L54-1-->$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] 156#[$Ultimate##0, $Ultimate##0, L55]true [103] L55-->$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] 236#[L56, $Ultimate##0, $Ultimate##0, $Ultimate##0]true [140] $Ultimate##0-->L31-1: Formula: (and (= 0 v_sumThread1of1ForFork2_z_17) (= 0 v_sumThread1of1ForFork2_x_17) (= v_sumThread1of1ForFork2_i_25 v_sumThread1of1ForFork2_lo_5)) InVars {sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_5} OutVars{sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_17, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_25, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_17, sumThread1of1ForFork2_lo=v_sumThread1of1ForFork2_lo_5} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 238#[L56, $Ultimate##0, L31-1, $Ultimate##0]true [2023-10-12 17:19:03,166 INFO L750 eck$LassoCheckResult]: Loop: 238#[L56, $Ultimate##0, L31-1, $Ultimate##0]true [144] L31-1-->L31-1: Formula: (and (= (+ 1 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_i_27) (= (let ((.cse0 (+ (select v_A_29 v_sumThread1of1ForFork2_i_27) v_sumThread1of1ForFork2_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork2_z_19) (< v_sumThread1of1ForFork2_i_28 v_sumThread1of1ForFork2_hi_11) (= (+ (select v_A_29 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_x_20) v_sumThread1of1ForFork2_x_19)) InVars {A=v_A_29, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_20, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_28, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_20, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} OutVars{A=v_A_29, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_19, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_27, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_19, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 238#[L56, $Ultimate##0, L31-1, $Ultimate##0]true [144] L31-1-->L31-1: Formula: (and (= (+ 1 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_i_27) (= (let ((.cse0 (+ (select v_A_29 v_sumThread1of1ForFork2_i_27) v_sumThread1of1ForFork2_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork2_z_19) (< v_sumThread1of1ForFork2_i_28 v_sumThread1of1ForFork2_hi_11) (= (+ (select v_A_29 v_sumThread1of1ForFork2_i_28) v_sumThread1of1ForFork2_x_20) v_sumThread1of1ForFork2_x_19)) InVars {A=v_A_29, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_20, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_28, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_20, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} OutVars{A=v_A_29, sumThread1of1ForFork2_z=v_sumThread1of1ForFork2_z_19, sumThread1of1ForFork2_i=v_sumThread1of1ForFork2_i_27, sumThread1of1ForFork2_x=v_sumThread1of1ForFork2_x_19, sumThread1of1ForFork2_hi=v_sumThread1of1ForFork2_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork2_z, sumThread1of1ForFork2_i, sumThread1of1ForFork2_x] 238#[L56, $Ultimate##0, L31-1, $Ultimate##0]true [2023-10-12 17:19:03,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:03,167 INFO L85 PathProgramCache]: Analyzing trace with hash 75023798, now seen corresponding path program 1 times [2023-10-12 17:19:03,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:03,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70196899] [2023-10-12 17:19:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:03,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:03,185 INFO L85 PathProgramCache]: Analyzing trace with hash 5569, now seen corresponding path program 1 times [2023-10-12 17:19:03,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:03,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21577541] [2023-10-12 17:19:03,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:03,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:03,201 INFO L85 PathProgramCache]: Analyzing trace with hash -916569546, now seen corresponding path program 1 times [2023-10-12 17:19:03,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:03,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044157095] [2023-10-12 17:19:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:03,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:03,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:03,455 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:19:03,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:19:03,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:19:03,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:19:03,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:19:03,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,455 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:19:03,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:19:03,455 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:19:03,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:19:03,455 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:19:03,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:19:03,831 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:19:03,831 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:19:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:03,849 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) [2023-10-12 17:19:03,868 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 [2023-10-12 17:19:03,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:03,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:19:03,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:03,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:03,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:03,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:19:03,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:19:03,879 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 [2023-10-12 17:19:03,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:03,903 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 [2023-10-12 17:19:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:03,904 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) [2023-10-12 17:19:03,907 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 [2023-10-12 17:19:03,909 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 [2023-10-12 17:19:03,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:03,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:03,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:03,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:03,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:03,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:03,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:03,937 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 [2023-10-12 17:19:03,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:03,940 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) [2023-10-12 17:19:03,947 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 [2023-10-12 17:19:03,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:03,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:03,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:03,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:03,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:03,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:03,958 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 [2023-10-12 17:19:03,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:03,969 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 [2023-10-12 17:19:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:03,970 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) [2023-10-12 17:19:03,972 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 [2023-10-12 17:19:03,974 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 [2023-10-12 17:19:03,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:03,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:03,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:03,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:03,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:03,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:03,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:03,988 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 [2023-10-12 17:19:03,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:03,990 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) [2023-10-12 17:19:03,993 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 [2023-10-12 17:19:03,993 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 [2023-10-12 17:19:03,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:04,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:04,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,018 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 [2023-10-12 17:19:04,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,019 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) [2023-10-12 17:19:04,020 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 [2023-10-12 17:19:04,022 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 [2023-10-12 17:19:04,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:04,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:04,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,065 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 [2023-10-12 17:19:04,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,066 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) [2023-10-12 17:19:04,067 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 [2023-10-12 17:19:04,069 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 [2023-10-12 17:19:04,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:19:04,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:19:04,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:19:04,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,080 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 [2023-10-12 17:19:04,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,081 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) [2023-10-12 17:19:04,083 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 [2023-10-12 17:19:04,085 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 [2023-10-12 17:19:04,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:19:04,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:19:04,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:19:04,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-10-12 17:19:04,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,095 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) [2023-10-12 17:19:04,096 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 [2023-10-12 17:19:04,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:19:04,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:19:04,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:19:04,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:19:04,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-10-12 17:19:04,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,142 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) [2023-10-12 17:19:04,144 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 [2023-10-12 17:19:04,145 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 [2023-10-12 17:19:04,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,151 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:19:04,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,183 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:19:04,184 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:19:04,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:04,224 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 [2023-10-12 17:19:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,225 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) [2023-10-12 17:19:04,227 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 [2023-10-12 17:19:04,229 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 [2023-10-12 17:19:04,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:04,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:04,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:04,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:04,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:04,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:04,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:19:04,272 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:19:04,272 INFO L444 ModelExtractionUtils]: 27 out of 37 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:19:04,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:04,278 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) [2023-10-12 17:19:04,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:19:04,293 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 [2023-10-12 17:19:04,300 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:19:04,301 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:19:04,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork2_i, sumThread1of1ForFork2_hi) = -1*sumThread1of1ForFork2_i + 1*sumThread1of1ForFork2_hi Supporting invariants [] [2023-10-12 17:19:04,306 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 [2023-10-12 17:19:04,308 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:19:04,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:04,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:19:04,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:04,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:19:04,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:19:04,342 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:19:04,342 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-10-12 17:19:04,491 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 states and 786 transitions. [2023-10-12 17:19:04,491 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:19:05,529 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:19:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:19:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-10-12 17:19:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 391 transitions. [2023-10-12 17:19:05,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 391 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:19:05,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:05,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 391 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:19:05,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:05,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 391 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:19:05,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:05,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 145776 transitions, 1323504 flow [2023-10-12 17:21:43,830 INFO L124 PetriNetUnfolderBase]: 70776/84136 cut-off events. [2023-10-12 17:21:43,830 INFO L125 PetriNetUnfolderBase]: For 10805/10805 co-relation queries the response was YES. [2023-10-12 17:21:43,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349439 conditions, 84136 events. 70776/84136 cut-off events. For 10805/10805 co-relation queries the response was YES. Maximal size of possible extension queue 2422. Compared 341427 event pairs, 481 based on Foata normal form. 0/44512 useless extension candidates. Maximal degree in co-relation 331080. Up to 29864 conditions per place. [2023-10-12 17:21:43,945 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 87 places, 145776 transitions, 1323504 flow [2023-10-12 17:21:45,256 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 87 places, 145776 transitions, 1323504 flow [2023-10-12 17:21:45,256 INFO L430 stractBuchiCegarLoop]: Abstraction has has 87 places, 145776 transitions, 1323504 flow [2023-10-12 17:21:45,256 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:21:45,256 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 places, 145776 transitions, 1323504 flow [2023-10-12 17:21:48,570 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:48,570 INFO L124 PetriNetUnfolderBase]: 310/448 cut-off events. [2023-10-12 17:21:48,570 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2023-10-12 17:21:48,570 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:48,571 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [47] $Ultimate##0-->L54: Formula: (and (<= v_ULTIMATE.start_k3_1 v_ULTIMATE.start_k4_1) (<= v_ULTIMATE.start_k1_1 v_ULTIMATE.start_k2_1) (<= v_ULTIMATE.start_k4_1 v_N_1) (<= 0 v_ULTIMATE.start_k1_1) (<= v_ULTIMATE.start_k2_1 v_ULTIMATE.start_k3_1)) InVars {ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} OutVars{ULTIMATE.start_k3=v_ULTIMATE.start_k3_1, ULTIMATE.start_k2=v_ULTIMATE.start_k2_1, ULTIMATE.start_k1=v_ULTIMATE.start_k1_1, N=v_N_1, ULTIMATE.start_k4=v_ULTIMATE.start_k4_1} AuxVars[] AssignedVars[] 81#[L54]true [97] L54-->$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] 83#[L54-1, $Ultimate##0]true [100] L54-1-->$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] 156#[$Ultimate##0, $Ultimate##0, L55]true [103] L55-->$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] 236#[L56, $Ultimate##0, $Ultimate##0, $Ultimate##0]true [106] L56-->$Ultimate##0: Formula: (and (= (+ v_ULTIMATE.start_k3_5 1) v_sumThread1of1ForFork3_lo_4) (= v_ULTIMATE.start_k4_3 v_sumThread1of1ForFork3_hi_6) (= v_sumThread1of1ForFork3_thidvar1_2 4) (= v_sumThread1of1ForFork3_thidvar2_2 4) (= v_sumThread1of1ForFork3_thidvar0_2 4) (= v_sumThread1of1ForFork3_thidvar3_2 4)) InVars {ULTIMATE.start_k4=v_ULTIMATE.start_k4_3, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_16, sumThread1of1ForFork3_thidvar0=v_sumThread1of1ForFork3_thidvar0_2, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_8, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_8, ULTIMATE.start_k4=v_ULTIMATE.start_k4_3, ULTIMATE.start_k3=v_ULTIMATE.start_k3_5, sumThread1of1ForFork3_thidvar3=v_sumThread1of1ForFork3_thidvar3_2, sumThread1of1ForFork3_thidvar2=v_sumThread1of1ForFork3_thidvar2_2, sumThread1of1ForFork3_thidvar1=v_sumThread1of1ForFork3_thidvar1_2, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_4, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_6} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_thidvar0, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z, sumThread1of1ForFork3_thidvar3, sumThread1of1ForFork3_thidvar2, sumThread1of1ForFork3_thidvar1, sumThread1of1ForFork3_lo, sumThread1of1ForFork3_hi] 303#[$Ultimate##0, $Ultimate##0, L57, $Ultimate##0, $Ultimate##0]true [136] $Ultimate##0-->L31-1: Formula: (and (= v_sumThread1of1ForFork3_i_27 v_sumThread1of1ForFork3_lo_7) (= 0 v_sumThread1of1ForFork3_z_17) (= 0 v_sumThread1of1ForFork3_x_15)) InVars {sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_7} OutVars{sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_27, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_15, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_17, sumThread1of1ForFork3_lo=v_sumThread1of1ForFork3_lo_7} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z] 305#[L31-1, $Ultimate##0, L57, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:21:48,571 INFO L750 eck$LassoCheckResult]: Loop: 305#[L31-1, $Ultimate##0, L57, $Ultimate##0, $Ultimate##0]true [137] L31-1-->L31-1: Formula: (and (= (let ((.cse0 (+ (select v_A_23 v_sumThread1of1ForFork3_i_29) v_sumThread1of1ForFork3_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork3_z_19) (< v_sumThread1of1ForFork3_i_30 v_sumThread1of1ForFork3_hi_11) (= (+ 1 v_sumThread1of1ForFork3_i_30) v_sumThread1of1ForFork3_i_29) (= (+ v_sumThread1of1ForFork3_x_18 (select v_A_23 v_sumThread1of1ForFork3_i_30)) v_sumThread1of1ForFork3_x_17)) InVars {A=v_A_23, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_30, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_18, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_20, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} OutVars{A=v_A_23, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_29, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_17, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_19, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z] 305#[L31-1, $Ultimate##0, L57, $Ultimate##0, $Ultimate##0]true [137] L31-1-->L31-1: Formula: (and (= (let ((.cse0 (+ (select v_A_23 v_sumThread1of1ForFork3_i_29) v_sumThread1of1ForFork3_z_20))) (ite (< 0 .cse0) .cse0 0)) v_sumThread1of1ForFork3_z_19) (< v_sumThread1of1ForFork3_i_30 v_sumThread1of1ForFork3_hi_11) (= (+ 1 v_sumThread1of1ForFork3_i_30) v_sumThread1of1ForFork3_i_29) (= (+ v_sumThread1of1ForFork3_x_18 (select v_A_23 v_sumThread1of1ForFork3_i_30)) v_sumThread1of1ForFork3_x_17)) InVars {A=v_A_23, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_30, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_18, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_20, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} OutVars{A=v_A_23, sumThread1of1ForFork3_i=v_sumThread1of1ForFork3_i_29, sumThread1of1ForFork3_x=v_sumThread1of1ForFork3_x_17, sumThread1of1ForFork3_z=v_sumThread1of1ForFork3_z_19, sumThread1of1ForFork3_hi=v_sumThread1of1ForFork3_hi_11} AuxVars[] AssignedVars[sumThread1of1ForFork3_i, sumThread1of1ForFork3_x, sumThread1of1ForFork3_z] 305#[L31-1, $Ultimate##0, L57, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:21:48,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:48,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1969230476, now seen corresponding path program 1 times [2023-10-12 17:21:48,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:48,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434458422] [2023-10-12 17:21:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:48,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:48,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:48,580 INFO L85 PathProgramCache]: Analyzing trace with hash 5345, now seen corresponding path program 1 times [2023-10-12 17:21:48,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:48,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97550590] [2023-10-12 17:21:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:48,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1650094484, now seen corresponding path program 1 times [2023-10-12 17:21:48,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:48,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142220270] [2023-10-12 17:21:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:48,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:48,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:48,874 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:48,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:48,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:48,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:48,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:48,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:48,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:48,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:48,875 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-tailsum5.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:21:48,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:48,875 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:48,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:48,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:49,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:49,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,298 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) [2023-10-12 17:21:49,298 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 [2023-10-12 17:21:49,326 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 [2023-10-12 17:21:49,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,340 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 [2023-10-12 17:21:49,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,341 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) [2023-10-12 17:21:49,343 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 [2023-10-12 17:21:49,345 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 [2023-10-12 17:21:49,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,357 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 [2023-10-12 17:21:49,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,359 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:21:49,363 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 [2023-10-12 17:21:49,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,378 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:21:49,381 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 [2023-10-12 17:21:49,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,395 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:21:49,398 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 [2023-10-12 17:21:49,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,416 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:21:49,419 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 [2023-10-12 17:21:49,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,437 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:21:49,440 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 [2023-10-12 17:21:49,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,457 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-10-12 17:21:49,460 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 [2023-10-12 17:21:49,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,515 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:49,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-10-12 17:21:49,519 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 [2023-10-12 17:21:49,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,546 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2023-10-12 17:21:49,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-10-12 17:21:49,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:21:49,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,576 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2023-10-12 17:21:49,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-10-12 17:21:49,580 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 [2023-10-12 17:21:49,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,610 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2023-10-12 17:21:49,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-10-12 17:21:49,617 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 [2023-10-12 17:21:49,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,642 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2023-10-12 17:21:49,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-10-12 17:21:49,645 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 [2023-10-12 17:21:49,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:49,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:49,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:49,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:49,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,658 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2023-10-12 17:21:49,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-10-12 17:21:49,665 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 [2023-10-12 17:21:49,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:49,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:49,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:49,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:49,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:49,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:49,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:49,721 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-10-12 17:21:49,722 INFO L444 ModelExtractionUtils]: 15 out of 43 variables were initially zero. Simplification set additionally 25 variables to zero. [2023-10-12 17:21:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:49,735 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2023-10-12 17:21:49,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-10-12 17:21:49,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:49,762 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:49,762 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:49,762 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork3_i, sumThread1of1ForFork3_hi) = -1*sumThread1of1ForFork3_i + 1*sumThread1of1ForFork3_hi Supporting invariants [] [2023-10-12 17:21:49,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:49,774 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:21:49,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:49,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:49,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:49,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:21:49,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:21:49,815 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:21:49,815 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-10-12 17:21:49,984 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 7 states and 783 transitions. [2023-10-12 17:21:49,984 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:50,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:59,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-10-12 17:22:28,908 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:22:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:22:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-10-12 17:22:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2023-10-12 17:22:28,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 388 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:22:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:28,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 388 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:22:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:28,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 388 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:22:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:22:28,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 2228736 transitions, 24700416 flow Received shutdown request... [2023-10-12 17:22:56,789 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 [2023-10-12 17:22:57,084 WARN L144 chiPetriNetCegarLoop]: Unhandled de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.occured during abstraction size reduction. Continuing with non-reduced net [2023-10-12 17:22:57,084 INFO L430 stractBuchiCegarLoop]: Abstraction has has 101 places, 2228736 transitions, 24700416 flow [2023-10-12 17:22:57,084 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:22:57,084 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 places, 2228736 transitions, 24700416 flow [2023-10-12 17:22:57,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:57,862 WARN L343 stractBuchiCegarLoop]: Verification cancelled [2023-10-12 17:22:57,868 INFO L201 PluginConnector]: Adding new model max-tailsum5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:22:57 BoogieIcfgContainer [2023-10-12 17:22:57,868 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:22:57,869 INFO L158 Benchmark]: Toolchain (without parser) took 241349.38ms. Allocated memory was 216.0MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 169.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 7.1GB. Max. memory is 8.0GB. [2023-10-12 17:22:57,869 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 216.0MB. Free memory was 170.6MB in the beginning and 170.4MB in the end (delta: 163.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:22:57,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.58ms. Allocated memory is still 216.0MB. Free memory was 169.3MB in the beginning and 167.8MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:22:57,869 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 216.0MB. Free memory was 167.6MB in the beginning and 166.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:57,870 INFO L158 Benchmark]: RCFGBuilder took 249.59ms. Allocated memory is still 216.0MB. Free memory was 166.6MB in the beginning and 156.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:22:57,870 INFO L158 Benchmark]: BuchiAutomizer took 241039.04ms. Allocated memory was 216.0MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 156.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 7.0GB. Max. memory is 8.0GB. [2023-10-12 17:22:57,871 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 0.23ms. Allocated memory is still 216.0MB. Free memory was 170.6MB in the beginning and 170.4MB in the end (delta: 163.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.58ms. Allocated memory is still 216.0MB. Free memory was 169.3MB in the beginning and 167.8MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 216.0MB. Free memory was 167.6MB in the beginning and 166.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 249.59ms. Allocated memory is still 216.0MB. Free memory was 166.6MB in the beginning and 156.8MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 241039.04ms. Allocated memory was 216.0MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 156.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 7.0GB. 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 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -1 * i + k2 and consists of 6 locations. One deterministic module has affine ranking function -1 * i + k2 and consists of 6 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. One deterministic module has affine ranking function -1 * i + hi and consists of 4 locations. The remainder module has 24700416 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 240.9s and 5 iterations. TraceHistogramMax:0. Analysis of lassos took 3.9s. Construction of modules took 0.7s. Büchi inclusion checks took 40.6s. Highest rank in rank-based complementation 0. 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1345 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1343 mSDsluCounter, 1847 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 960 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1545 IncrementalHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 887 mSDtfsCounter, 1545 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax100 hnf100 lsp354 ukn27 mio100 lsp57 div100 bol100 ite100 ukn100 eq161 hnf95 smp100 dnf546 smp27 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 73ms VariablesStem: 2 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.5s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 70 PlacesBefore, 39 PlacesAfterwards, 59 TransitionsBefore, 28 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 31 TotalNumberOfCompositions, 1472 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1472, independent: 1472, independent conditional: 0, independent unconditional: 1472, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, independent: 1209, independent conditional: 0, independent unconditional: 1209, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, independent: 1209, independent conditional: 0, independent unconditional: 1209, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1472, independent: 263, independent conditional: 0, independent unconditional: 263, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1209, unknown conditional: 0, unknown unconditional: 1209] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown