/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:54:08,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:54:08,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:54:08,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:54:08,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:54:08,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:54:08,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:54:08,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:54:08,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:54:08,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:54:08,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:54:08,241 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:54:08,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:54:08,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:54:08,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:54:08,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:54:08,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:54:08,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:54:08,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:54:08,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:54:08,243 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:54:08,243 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:54:08,243 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:54:08,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:54:08,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:54:08,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:54:08,486 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:54:08,487 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:54:08,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl [2025-04-26 16:54:08,490 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl' [2025-04-26 16:54:08,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:54:08,508 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:54:08,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:54:08,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:54:08,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:54:08,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,543 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:54:08,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:54:08,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:54:08,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:54:08,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:54:08,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:54:08,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:54:08,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:54:08,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:54:08,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/1) ... [2025-04-26 16:54:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:54:08,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:08,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:54:08,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:54:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:54:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:54:08,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2025-04-26 16:54:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2025-04-26 16:54:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2025-04-26 16:54:08,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2025-04-26 16:54:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2025-04-26 16:54:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2025-04-26 16:54:08,637 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:54:08,672 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:54:08,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:54:08,761 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:54:08,762 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:54:08,776 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:54:08,776 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:54:08,777 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:54:08 BoogieIcfgContainer [2025-04-26 16:54:08,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:54:08,778 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:54:08,778 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:54:08,782 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:54:08,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:54:08,783 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:08" (1/2) ... [2025-04-26 16:54:08,784 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307c101a and model type sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:54:08, skipping insertion in model container [2025-04-26 16:54:08,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:54:08,785 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:54:08" (2/2) ... [2025-04-26 16:54:08,786 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum_diff_incr_decr.bpl [2025-04-26 16:54:08,836 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 16:54:08,881 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:54:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:54:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:08,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:54:08,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 64 flow [2025-04-26 16:54:08,958 INFO L116 PetriNetUnfolderBase]: 2/21 cut-off events. [2025-04-26 16:54:08,961 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 16:54:08,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2025-04-26 16:54:08,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 64 flow [2025-04-26 16:54:08,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2025-04-26 16:54:08,968 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 26 places, 21 transitions, 54 flow [2025-04-26 16:54:08,974 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:54:09,032 WARN L140 AmpleReduction]: Number of pruned transitions: 21 [2025-04-26 16:54:09,032 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 16:54:09,033 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 3 [2025-04-26 16:54:09,033 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:19 [2025-04-26 16:54:09,033 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:21 [2025-04-26 16:54:09,033 WARN L145 AmpleReduction]: Times succ was already a loop node:4 [2025-04-26 16:54:09,033 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:6 [2025-04-26 16:54:09,033 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:54:09,034 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 44 states, 42 states have (on average 1.3333333333333333) internal successors, (in total 56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,041 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:54:09,041 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:54:09,041 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:54:09,042 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:54:09,042 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:54:09,042 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:54:09,043 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:54:09,043 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:54:09,045 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44 states, 42 states have (on average 1.3333333333333333) internal successors, (in total 56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,056 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 27 [2025-04-26 16:54:09,056 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:09,056 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:09,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:54:09,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:54:09,063 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:54:09,063 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44 states, 42 states have (on average 1.3333333333333333) internal successors, (in total 56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,066 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 27 [2025-04-26 16:54:09,066 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:09,066 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:09,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:54:09,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:54:09,072 INFO L752 eck$LassoCheckResult]: Stem: "[42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[]" "[67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0]" "[52] $Ultimate##0-->L16-1: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i]" [2025-04-26 16:54:09,073 INFO L754 eck$LassoCheckResult]: Loop: "[54] L16-1-->L17: Formula: (< v_T1Thread1of1ForFork0_i_5 v_N_3) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} AuxVars[] AssignedVars[]" "[56] L17-->L17-1: Formula: (and (= v_A_7 (store v_A_8 v_T1Thread1of1ForFork0_i_7 (+ (select v_A_8 v_T1Thread1of1ForFork0_i_7) 1))) (= (store v_B_8 v_T1Thread1of1ForFork0_i_7 (+ (- 1) (select v_B_8 v_T1Thread1of1ForFork0_i_7))) v_B_7)) InVars {A=v_A_8, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_8} OutVars{A=v_A_7, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_7, B=v_B_7} AuxVars[] AssignedVars[A, B]" "[57] L17-1-->L16-1: Formula: (= (+ v_T1Thread1of1ForFork0_i_9 1) v_T1Thread1of1ForFork0_i_10) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_9} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_10} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i]" [2025-04-26 16:54:09,079 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash 72282, now seen corresponding path program 1 times [2025-04-26 16:54:09,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235830113] [2025-04-26 16:54:09,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,155 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,173 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,173 INFO L85 PathProgramCache]: Analyzing trace with hash 83478, now seen corresponding path program 1 times [2025-04-26 16:54:09,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,174 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508408904] [2025-04-26 16:54:09,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,184 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,197 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2141560547, now seen corresponding path program 1 times [2025-04-26 16:54:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,197 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521541235] [2025-04-26 16:54:09,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:54:09,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:54:09,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,206 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:54:09,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:54:09,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,321 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:54:09,321 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:54:09,321 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:54:09,321 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:54:09,322 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:54:09,322 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:09,322 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:54:09,322 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:54:09,322 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:54:09,322 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:54:09,322 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:54:09,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,468 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:54:09,473 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:54:09,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:09,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:09,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 16:54:09,480 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 [2025-04-26 16:54:09,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:09,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:09,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:09,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:09,496 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:09,496 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:09,500 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:09,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 16:54:09,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:09,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:09,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:09,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 16:54:09,512 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 [2025-04-26 16:54:09,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:09,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:09,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:09,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:09,529 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:09,529 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:09,540 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:54:09,552 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:54:09,552 INFO L437 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-04-26 16:54:09,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:09,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:09,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:09,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 16:54:09,557 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:54:09,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:54:09,575 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:54:09,575 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:54:09,576 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2025-04-26 16:54:09,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 16:54:09,585 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:54:09,606 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:09,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:54:09,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:09,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:54:09,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:54:09,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:09,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:54:09,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:54:09,678 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 [2025-04-26 16:54:09,680 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 44 states, 42 states have (on average 1.3333333333333333) internal successors, (in total 56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,766 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 44 states, 42 states have (on average 1.3333333333333333) internal successors, (in total 56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 90 states and 120 transitions. Complement of second has 6 states. [2025-04-26 16:54:09,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:54:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2025-04-26 16:54:09,777 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2025-04-26 16:54:09,778 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:09,778 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 16:54:09,778 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:09,778 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2025-04-26 16:54:09,778 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:09,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 120 transitions. [2025-04-26 16:54:09,782 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2025-04-26 16:54:09,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 37 states and 47 transitions. [2025-04-26 16:54:09,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-04-26 16:54:09,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-04-26 16:54:09,787 INFO L74 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2025-04-26 16:54:09,787 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:54:09,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2025-04-26 16:54:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2025-04-26 16:54:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2025-04-26 16:54:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (in total 45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2025-04-26 16:54:09,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 45 transitions. [2025-04-26 16:54:09,809 INFO L438 stractBuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2025-04-26 16:54:09,809 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:54:09,809 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2025-04-26 16:54:09,810 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2025-04-26 16:54:09,810 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:09,810 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:09,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 16:54:09,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:54:09,811 INFO L752 eck$LassoCheckResult]: Stem: "[42] $Ultimate##0-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[]" "[67] L45-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0]" "[52] $Ultimate##0-->L16-1: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i]" "[54] L16-1-->L17: Formula: (< v_T1Thread1of1ForFork0_i_5 v_N_3) InVars {T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_5, N=v_N_3} AuxVars[] AssignedVars[]" "[70] L45-1-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j]" "[58] $Ultimate##0-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_1 0) InVars {} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j]" [2025-04-26 16:54:09,811 INFO L754 eck$LassoCheckResult]: Loop: "[60] L31-1-->L32: Formula: (< v_T2Thread1of1ForFork1_j_5 v_N_4) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_5, N=v_N_4} AuxVars[] AssignedVars[]" "[62] L32-->L33: Formula: (= (store v_C_4 v_T2Thread1of1ForFork1_j_7 (+ (select v_B_5 v_T2Thread1of1ForFork1_j_7) (select v_A_5 v_T2Thread1of1ForFork1_j_7))) v_C_3) InVars {A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_4, B=v_B_5} OutVars{A=v_A_5, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_7, C=v_C_3, B=v_B_5} AuxVars[] AssignedVars[C]" "[63] L33-->L34: Formula: (= (store v_D_2 v_T2Thread1of1ForFork1_j_9 (+ (select v_A_6 v_T2Thread1of1ForFork1_j_9) (* (- 1) (select v_B_6 v_T2Thread1of1ForFork1_j_9)))) v_D_1) InVars {A=v_A_6, D=v_D_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} OutVars{A=v_A_6, D=v_D_1, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_9, B=v_B_6} AuxVars[] AssignedVars[D]" "[64] L34-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_12 (+ v_T2Thread1of1ForFork1_j_11 1)) InVars {T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_11} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_12} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j]" [2025-04-26 16:54:09,811 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2141560112, now seen corresponding path program 1 times [2025-04-26 16:54:09,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,811 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549603574] [2025-04-26 16:54:09,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:54:09,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:54:09,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,817 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:54:09,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:54:09,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,822 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2772580, now seen corresponding path program 1 times [2025-04-26 16:54:09,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,823 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783063315] [2025-04-26 16:54:09,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:09,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:09,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,830 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:09,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:09,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,836 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:09,836 INFO L85 PathProgramCache]: Analyzing trace with hash 870887859, now seen corresponding path program 1 times [2025-04-26 16:54:09,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:09,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588924359] [2025-04-26 16:54:09,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:09,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:09,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 16:54:09,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 16:54:09,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,846 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:09,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 16:54:09,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 16:54:09,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:09,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:09,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:09,930 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:54:09,930 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:54:09,930 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:54:09,930 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:54:09,930 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:54:09,930 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:09,930 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:54:09,930 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:54:09,931 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:54:09,931 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:54:09,931 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:54:09,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:09,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:10,022 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:54:10,022 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:54:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,024 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 16:54:10,027 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 [2025-04-26 16:54:10,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,039 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:10,039 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:10,042 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:10,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 16:54:10,055 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 [2025-04-26 16:54:10,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:10,067 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:10,070 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 16:54:10,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 16:54:10,092 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 [2025-04-26 16:54:10,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,105 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:10,105 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:10,108 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 16:54:10,120 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 [2025-04-26 16:54:10,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,133 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:10,134 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:10,136 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 16:54:10,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,148 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 16:54:10,150 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 [2025-04-26 16:54:10,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:54:10,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,161 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:54:10,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:54:10,162 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 16:54:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,170 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 16:54:10,173 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 [2025-04-26 16:54:10,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:54:10,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,183 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:54:10,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:54:10,189 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:10,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 16:54:10,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,201 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 16:54:10,203 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 [2025-04-26 16:54:10,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:10,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:10,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:10,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:10,217 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:10,218 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:10,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:54:10,246 INFO L436 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-04-26 16:54:10,246 INFO L437 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-04-26 16:54:10,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:10,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:10,252 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:54:10,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 16:54:10,254 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:54:10,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-04-26 16:54:10,270 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:54:10,271 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:54:10,271 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2025-04-26 16:54:10,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 16:54:10,277 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:54:10,291 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:10,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:54:10,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:54:10,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:10,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:10,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:54:10,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:10,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:10,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:10,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:10,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:10,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:54:10,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:54:10,346 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 [2025-04-26 16:54:10,346 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:10,382 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 57 states and 74 transitions. Complement of second has 4 states. [2025-04-26 16:54:10,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 16:54:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:54:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2025-04-26 16:54:10,385 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 16:54:10,385 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:10,385 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 10 letters. Loop has 4 letters. [2025-04-26 16:54:10,385 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:10,385 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 6 letters. Loop has 8 letters. [2025-04-26 16:54:10,385 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:10,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2025-04-26 16:54:10,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:54:10,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:54:10,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:54:10,387 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:54:10,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:54:10,387 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:54:10,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:54:10,387 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:54:10,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-26 16:54:10,401 INFO L201 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:54:10 BoogieIcfgContainer [2025-04-26 16:54:10,401 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:54:10,402 INFO L158 Benchmark]: Toolchain (without parser) took 1893.37ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 85.2MB in the beginning and 34.3MB in the end (delta: 50.9MB). Peak memory consumption was 24.2MB. Max. memory is 8.0GB. [2025-04-26 16:54:10,402 INFO L158 Benchmark]: Boogie PL CUP Parser took 1.19ms. Allocated memory is still 159.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:54:10,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.15ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:54:10,403 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:54:10,403 INFO L158 Benchmark]: RCFGBuilder took 205.81ms. Allocated memory is still 159.4MB. Free memory was 82.2MB in the beginning and 73.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:54:10,403 INFO L158 Benchmark]: BuchiAutomizer took 1622.79ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 73.0MB in the beginning and 34.3MB in the end (delta: 38.7MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2025-04-26 16:54:10,405 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 1.19ms. Allocated memory is still 159.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.15ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 83.2MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 205.81ms. Allocated memory is still 159.4MB. Free memory was 82.2MB in the beginning and 73.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1622.79ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 73.0MB in the beginning and 34.3MB in the end (delta: 38.7MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp86 ukn50 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.1s InitialAbstraction: Time to compute Ample Reduction [ms]: 156, Number of transitions in reduction automaton: 56, Number of states in reduction automaton: 44, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:54:10,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...