/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-print2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:54:05,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:54:05,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:54:05,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:54:05,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:54:05,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:54:05,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:54:05,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:54:05,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:54:05,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:54:05,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:54:05,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:54:05,630 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:54:05,630 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:54:05,630 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:54:05,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:54:05,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:54:05,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:54:05,632 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:54:05,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:54:05,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:54:05,633 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:54:05,633 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:54:05,634 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:54:05,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:54:05,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:54:05,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:54:05,865 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:54:05,866 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:54:05,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2025-04-26 16:54:05,867 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2025-04-26 16:54:05,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:54:05,886 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:54:05,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:54:05,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:54:05,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:54:05,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,922 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:54:05,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:54:05,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:54:05,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:54:05,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:54:05,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:54:05,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:54:05,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:54:05,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:54:05,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/1) ... [2025-04-26 16:54:05,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:54:05,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:05,966 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 16:54:05,969 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 16:54:05,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2025-04-26 16:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2025-04-26 16:54:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2025-04-26 16:54:05,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:54:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:54:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:54:05,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2025-04-26 16:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2025-04-26 16:54:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2025-04-26 16:54:05,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2025-04-26 16:54:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2025-04-26 16:54:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2025-04-26 16:54:05,990 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 16:54:06,028 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:54:06,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:54:06,123 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:54:06,123 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:54:06,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:54:06,146 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-26 16:54:06,147 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:54:06 BoogieIcfgContainer [2025-04-26 16:54:06,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:54:06,150 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:54:06,150 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:54:06,154 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:54:06,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:54:06,154 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:54:05" (1/2) ... [2025-04-26 16:54:06,156 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@545b0fd7 and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:54:06, skipping insertion in model container [2025-04-26 16:54:06,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:54:06,156 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:54:06" (2/2) ... [2025-04-26 16:54:06,157 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2025-04-26 16:54:06,212 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 16:54:06,258 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:54:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:54:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:06,261 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 16:54:06,262 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 16:54:06,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 16:54:06,329 INFO L116 PetriNetUnfolderBase]: 4/26 cut-off events. [2025-04-26 16:54:06,330 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 16:54:06,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2025-04-26 16:54:06,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 16:54:06,338 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2025-04-26 16:54:06,338 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 32 places, 26 transitions, 70 flow [2025-04-26 16:54:06,342 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:54:06,405 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 52#[L38, T2EXIT, L77]true [2025-04-26 16:54:06,406 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 120#[L54-2, T2EXIT, L78, L38]true [2025-04-26 16:54:06,407 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 122#[L80, L38, L54-2]true [2025-04-26 16:54:06,407 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 46#[L25, L76-1]true [2025-04-26 16:54:06,408 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 50#[L25, L38, L77]true [2025-04-26 16:54:06,408 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 134#[L25, T3EXIT, L77]true [2025-04-26 16:54:06,409 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 138#[L25, L54-2, L78, T3EXIT]true [2025-04-26 16:54:06,410 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 144#[L25, L54-2, L78, L38]true [2025-04-26 16:54:06,411 WARN L140 AmpleReduction]: Number of pruned transitions: 30 [2025-04-26 16:54:06,411 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 8 [2025-04-26 16:54:06,411 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 10 [2025-04-26 16:54:06,411 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:17 [2025-04-26 16:54:06,411 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:24 [2025-04-26 16:54:06,411 WARN L145 AmpleReduction]: Times succ was already a loop node:1 [2025-04-26 16:54:06,411 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:5 [2025-04-26 16:54:06,411 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:54:06,412 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 44 states, 42 states have (on average 1.619047619047619) internal successors, (in total 68), 43 states have internal predecessors, (68), 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 16:54:06,417 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:54:06,417 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:54:06,418 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:54:06,418 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:54:06,418 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:54:06,418 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:54:06,418 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:54:06,418 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:54:06,419 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44 states, 42 states have (on average 1.619047619047619) internal successors, (in total 68), 43 states have internal predecessors, (68), 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 16:54:06,428 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 26 [2025-04-26 16:54:06,428 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:06,428 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:06,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:54:06,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 16:54:06,430 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:54:06,430 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 44 states, 42 states have (on average 1.619047619047619) internal successors, (in total 68), 43 states have internal predecessors, (68), 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 16:54:06,432 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 26 [2025-04-26 16:54:06,432 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:06,432 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:06,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:54:06,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 16:54:06,435 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" [2025-04-26 16:54:06,435 INFO L754 eck$LassoCheckResult]: Loop: "[85] L25-->L25: Formula: (and (< v_i_17 v_N_9) (= (+ v_i_17 1) v_i_16) (= v_x_12 (+ v_x_13 (select v_A_7 v_i_17)))) InVars {A=v_A_7, i=v_i_17, x=v_x_13, N=v_N_9} OutVars{A=v_A_7, i=v_i_16, x=v_x_12, N=v_N_9} AuxVars[] AssignedVars[i, x]" [2025-04-26 16:54:06,438 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:06,438 INFO L85 PathProgramCache]: Analyzing trace with hash 3049591, now seen corresponding path program 1 times [2025-04-26 16:54:06,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:06,461 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296030966] [2025-04-26 16:54:06,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:06,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:06,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:06,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:06,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,520 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:06,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:06,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:06,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:06,546 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:06,547 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2025-04-26 16:54:06,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:06,547 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18033628] [2025-04-26 16:54:06,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:06,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:06,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:54:06,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:54:06,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,561 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:06,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:54:06,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:54:06,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:06,570 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash 94537406, now seen corresponding path program 1 times [2025-04-26 16:54:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:06,570 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145704041] [2025-04-26 16:54:06,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:06,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:54:06,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:54:06,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,584 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:06,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:54:06,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:54:06,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:06,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:06,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:06,679 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:54:06,679 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:54:06,679 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:54:06,679 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:54:06,679 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:54:06,679 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:06,680 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:54:06,680 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:54:06,680 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:54:06,680 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:54:06,680 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:54:06,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:06,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:06,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:06,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:06,835 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:54:06,837 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:54:06,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:06,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:06,841 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 16:54:06,843 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 16:54:06,844 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 16:54:06,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:06,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:06,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:06,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:06,861 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:06,861 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:06,865 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:06,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:06,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:06,873 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 16:54:06,875 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 16:54:06,876 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 16:54:06,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:06,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:06,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:06,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:06,888 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:06,888 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:06,897 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:06,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:06,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:06,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:06,931 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 16:54:06,933 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 16:54:06,933 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 16:54:06,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:06,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:06,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:06,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:06,948 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:06,948 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:06,957 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:54:06,967 INFO L436 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-04-26 16:54:06,968 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:54:06,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:06,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:06,996 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 16:54:06,997 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 16:54:06,998 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:54:07,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-04-26 16:54:07,016 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:54:07,016 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:54:07,016 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2025-04-26 16:54:07,021 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 16:54:07,025 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:54:07,050 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:07,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:07,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:07,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:07,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:54:07,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:07,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 16:54:07,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 16:54:07,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:07,073 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:54:07,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:07,077 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 16:54:07,091 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-04-26 16:54:07,093 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 44 states, 42 states have (on average 1.619047619047619) internal successors, (in total 68), 43 states have internal predecessors, (68), 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 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 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 16:54:07,163 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 44 states, 42 states have (on average 1.619047619047619) internal successors, (in total 68), 43 states have internal predecessors, (68), 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 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 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 102 states and 178 transitions. Complement of second has 4 states. [2025-04-26 16:54:07,165 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 16:54:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (in total 5), 2 states have internal predecessors, (5), 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 16:54:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2025-04-26 16:54:07,178 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2025-04-26 16:54:07,178 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:07,179 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2025-04-26 16:54:07,179 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:07,179 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 16:54:07,179 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:07,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 178 transitions. [2025-04-26 16:54:07,184 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 16:54:07,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 66 states and 121 transitions. [2025-04-26 16:54:07,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2025-04-26 16:54:07,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2025-04-26 16:54:07,192 INFO L74 IsDeterministic]: Start isDeterministic. Operand 66 states and 121 transitions. [2025-04-26 16:54:07,192 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:54:07,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 121 transitions. [2025-04-26 16:54:07,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 121 transitions. [2025-04-26 16:54:07,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2025-04-26 16:54:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.9454545454545455) internal successors, (in total 107), 54 states have internal predecessors, (107), 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 16:54:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 107 transitions. [2025-04-26 16:54:07,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 107 transitions. [2025-04-26 16:54:07,216 INFO L438 stractBuchiCegarLoop]: Abstraction has 55 states and 107 transitions. [2025-04-26 16:54:07,217 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:54:07,217 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 107 transitions. [2025-04-26 16:54:07,220 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 16:54:07,220 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:07,220 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:07,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:54:07,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:54:07,221 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" "[84] L25-->T2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0]" "[96] L77-->$Ultimate##0: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0]" "[74] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k]" "[86] L38-->T3EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" [2025-04-26 16:54:07,221 INFO L754 eck$LassoCheckResult]: Loop: "[76] L54-2-->L52: Formula: (< v_k_3 v_N_2) InVars {k=v_k_3, N=v_N_2} OutVars{k=v_k_3, N=v_N_2} AuxVars[] AssignedVars[]" "[78] L52-->L53: Formula: (= (+ v_y_2 (select v_A_1 v_k_4)) v_y_1) InVars {A=v_A_1, y=v_y_2, k=v_k_4} OutVars{A=v_A_1, y=v_y_1, k=v_k_4} AuxVars[] AssignedVars[y]" "[79] L53-->L54: Formula: (= (+ v_k_6 1) v_k_5) InVars {k=v_k_6} OutVars{k=v_k_5} AuxVars[] AssignedVars[k]" "[81] L54-->L54-2: Formula: (<= v_N_4 v_k_11) InVars {k=v_k_11, N=v_N_4} OutVars{k=v_k_11, N=v_N_4} AuxVars[] AssignedVars[]" [2025-04-26 16:54:07,222 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:07,222 INFO L85 PathProgramCache]: Analyzing trace with hash -813524884, now seen corresponding path program 1 times [2025-04-26 16:54:07,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:07,222 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980049465] [2025-04-26 16:54:07,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:07,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:07,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:07,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,229 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:07,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:07,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:07,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:07,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 1 times [2025-04-26 16:54:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:07,241 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438847314] [2025-04-26 16:54:07,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:07,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:07,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:07,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,247 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:07,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:07,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:07,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:07,254 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:07,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1567867568, now seen corresponding path program 1 times [2025-04-26 16:54:07,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:07,254 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487035242] [2025-04-26 16:54:07,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:54:07,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:07,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:54:07,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:54:07,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,264 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:07,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:54:07,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:54:07,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:07,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:07,396 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:54:07,396 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:54:07,396 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:54:07,396 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:54:07,396 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:54:07,396 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,396 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:54:07,396 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:54:07,396 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:54:07,396 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:54:07,396 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:54:07,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:07,561 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:54:07,561 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:54:07,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,565 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 16:54:07,566 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 16:54:07,567 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 16:54:07,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,579 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,579 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,587 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,593 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 16:54:07,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,596 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 16:54:07,597 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 16:54:07,598 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 16:54:07,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,611 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,611 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,614 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,620 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 16:54:07,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,622 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 16:54:07,623 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 16:54:07,624 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 16:54:07,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,636 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,636 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,639 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,645 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 16:54:07,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,647 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 16:54:07,649 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 16:54:07,650 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 16:54:07,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,662 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,662 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,665 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,673 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 16:54:07,674 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 16:54:07,675 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 16:54:07,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,687 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,687 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,690 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,698 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 16:54:07,699 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 16:54:07,701 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 16:54:07,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,713 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,713 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,716 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,724 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 16:54:07,724 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 16:54:07,725 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 16:54:07,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,737 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,737 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,741 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,747 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 16:54:07,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,749 INFO L229 MonitoredProcess]: Starting monitored process 14 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 16:54:07,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:54:07,752 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 16:54:07,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,764 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,764 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,767 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,775 INFO L229 MonitoredProcess]: Starting monitored process 15 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 16:54:07,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 16:54:07,778 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 16:54:07,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,790 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,790 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,793 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,801 INFO L229 MonitoredProcess]: Starting monitored process 16 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 16:54:07,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 16:54:07,804 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 16:54:07,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,817 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,817 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,820 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,829 INFO L229 MonitoredProcess]: Starting monitored process 17 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 16:54:07,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-04-26 16:54:07,832 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 16:54:07,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,846 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,846 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,849 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:07,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-04-26 16:54:07,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,856 INFO L229 MonitoredProcess]: Starting monitored process 18 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 16:54:07,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-04-26 16:54:07,858 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 16:54:07,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:07,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:07,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:07,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:07,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:07,873 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:07,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:54:07,885 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:54:07,885 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:54:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:07,887 INFO L229 MonitoredProcess]: Starting monitored process 19 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 16:54:07,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-04-26 16:54:07,890 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:54:07,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:07,908 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:54:07,908 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:54:07,908 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 16:54:07,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-04-26 16:54:07,921 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:54:07,933 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:07,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:07,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:07,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:07,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:54:07,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:07,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:07,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:07,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:07,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:07,959 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:54:07,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:08,010 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 16:54:08,010 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-04-26 16:54:08,011 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 107 transitions. cyclomatic complexity: 63 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 16:54:08,062 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 107 transitions. cyclomatic complexity: 63. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 117 states and 191 transitions. Complement of second has 7 states. [2025-04-26 16:54:08,063 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 16:54:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 16:54:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2025-04-26 16:54:08,063 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 4 letters. [2025-04-26 16:54:08,063 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,064 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 13 letters. Loop has 4 letters. [2025-04-26 16:54:08,064 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,064 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 8 letters. [2025-04-26 16:54:08,064 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 191 transitions. [2025-04-26 16:54:08,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 16:54:08,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 46 states and 75 transitions. [2025-04-26 16:54:08,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2025-04-26 16:54:08,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2025-04-26 16:54:08,067 INFO L74 IsDeterministic]: Start isDeterministic. Operand 46 states and 75 transitions. [2025-04-26 16:54:08,067 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:54:08,067 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 75 transitions. [2025-04-26 16:54:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 75 transitions. [2025-04-26 16:54:08,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2025-04-26 16:54:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (in total 71), 41 states have internal predecessors, (71), 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 16:54:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 71 transitions. [2025-04-26 16:54:08,069 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 71 transitions. [2025-04-26 16:54:08,069 INFO L438 stractBuchiCegarLoop]: Abstraction has 42 states and 71 transitions. [2025-04-26 16:54:08,069 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:54:08,069 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 71 transitions. [2025-04-26 16:54:08,070 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 16:54:08,070 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:54:08,070 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:54:08,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:54:08,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 16:54:08,070 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" "[84] L25-->T2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0]" "[86] L38-->T3EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[96] L77-->$Ultimate##0: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0]" "[74] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k]" [2025-04-26 16:54:08,070 INFO L754 eck$LassoCheckResult]: Loop: "[76] L54-2-->L52: Formula: (< v_k_3 v_N_2) InVars {k=v_k_3, N=v_N_2} OutVars{k=v_k_3, N=v_N_2} AuxVars[] AssignedVars[]" "[78] L52-->L53: Formula: (= (+ v_y_2 (select v_A_1 v_k_4)) v_y_1) InVars {A=v_A_1, y=v_y_2, k=v_k_4} OutVars{A=v_A_1, y=v_y_1, k=v_k_4} AuxVars[] AssignedVars[y]" "[79] L53-->L54: Formula: (= (+ v_k_6 1) v_k_5) InVars {k=v_k_6} OutVars{k=v_k_5} AuxVars[] AssignedVars[k]" "[81] L54-->L54-2: Formula: (<= v_N_4 v_k_11) InVars {k=v_k_11, N=v_N_4} OutVars{k=v_k_11, N=v_N_4} AuxVars[] AssignedVars[]" [2025-04-26 16:54:08,071 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:08,071 INFO L85 PathProgramCache]: Analyzing trace with hash -813533824, now seen corresponding path program 2 times [2025-04-26 16:54:08,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:08,071 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047377346] [2025-04-26 16:54:08,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:54:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:08,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:08,077 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:08,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:54:08,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,077 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:08,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:08,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:08,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:08,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:08,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:08,085 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 2 times [2025-04-26 16:54:08,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:08,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017657617] [2025-04-26 16:54:08,085 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:54:08,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:08,088 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:08,089 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:08,089 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:54:08,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,089 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:08,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:08,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:08,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:08,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:08,096 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:08,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1234210716, now seen corresponding path program 2 times [2025-04-26 16:54:08,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:54:08,096 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196179099] [2025-04-26 16:54:08,096 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:54:08,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:54:08,098 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:54:08,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:54:08,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:54:08,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,102 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:54:08,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:54:08,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:54:08,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:08,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:54:08,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:54:08,208 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:54:08,208 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:54:08,208 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:54:08,208 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:54:08,208 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:54:08,208 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,208 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:54:08,208 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:54:08,208 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration3_Lasso [2025-04-26 16:54:08,208 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:54:08,208 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:54:08,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:54:08,366 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:54:08,367 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:54:08,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,369 INFO L229 MonitoredProcess]: Starting monitored process 20 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 16:54:08,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-04-26 16:54:08,372 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 16:54:08,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,384 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,384 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,386 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:08,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-04-26 16:54:08,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,395 INFO L229 MonitoredProcess]: Starting monitored process 21 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 16:54:08,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-04-26 16:54:08,400 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 16:54:08,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,411 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,411 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,414 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:08,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-04-26 16:54:08,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,421 INFO L229 MonitoredProcess]: Starting monitored process 22 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 16:54:08,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-04-26 16:54:08,423 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 16:54:08,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,438 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,438 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,440 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:08,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-04-26 16:54:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,448 INFO L229 MonitoredProcess]: Starting monitored process 23 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 16:54:08,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-04-26 16:54:08,450 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 16:54:08,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,461 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,461 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,464 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:08,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-04-26 16:54:08,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,473 INFO L229 MonitoredProcess]: Starting monitored process 24 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 16:54:08,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-04-26 16:54:08,476 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 16:54:08,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,487 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,487 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,489 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:54:08,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-04-26 16:54:08,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,498 INFO L229 MonitoredProcess]: Starting monitored process 25 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 16:54:08,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-04-26 16:54:08,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:54:08,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:54:08,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:54:08,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:54:08,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:54:08,515 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:54:08,515 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:54:08,519 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:54:08,525 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:54:08,525 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 16:54:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:54:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:54:08,527 INFO L229 MonitoredProcess]: Starting monitored process 26 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 16:54:08,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-04-26 16:54:08,530 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:54:08,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-04-26 16:54:08,546 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 16:54:08,546 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:54:08,546 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 16:54:08,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-04-26 16:54:08,553 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:54:08,562 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:54:08,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 16:54:08,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 16:54:08,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:08,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:08,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:54:08,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:08,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:54:08,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:54:08,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:54:08,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:54:08,583 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:54:08,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:54:08,613 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 16:54:08,613 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-04-26 16:54:08,613 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 71 transitions. cyclomatic complexity: 37 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 16:54:08,651 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 71 transitions. cyclomatic complexity: 37. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 71 states and 111 transitions. Complement of second has 6 states. [2025-04-26 16:54:08,651 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 16:54:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (in total 13), 4 states have internal predecessors, (13), 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 16:54:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2025-04-26 16:54:08,652 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 4 letters. [2025-04-26 16:54:08,652 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,652 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 13 letters. Loop has 4 letters. [2025-04-26 16:54:08,652 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,652 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 8 letters. [2025-04-26 16:54:08,652 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:54:08,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 111 transitions. [2025-04-26 16:54:08,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:54:08,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 0 states and 0 transitions. [2025-04-26 16:54:08,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:54:08,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:54:08,654 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:54:08,654 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:54:08,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:08,654 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:08,654 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:54:08,654 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 16:54:08,654 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:54:08,654 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:54:08,654 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:54:08,664 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 16:54:08,665 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:54:08 BoogieIcfgContainer [2025-04-26 16:54:08,665 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:54:08,666 INFO L158 Benchmark]: Toolchain (without parser) took 2779.91ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 86.6MB in the beginning and 35.4MB in the end (delta: 51.2MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2025-04-26 16:54:08,666 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:54:08,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 84.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:54:08,666 INFO L158 Benchmark]: Boogie Preprocessor took 17.67ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:54:08,666 INFO L158 Benchmark]: RCFGBuilder took 201.87ms. Allocated memory is still 159.4MB. Free memory was 83.6MB in the beginning and 73.7MB in the end (delta: 9.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 16:54:08,667 INFO L158 Benchmark]: BuchiAutomizer took 2515.42ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 73.5MB in the beginning and 35.4MB in the end (delta: 38.1MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2025-04-26 16:54:08,667 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 0.16ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 159.4MB. Free memory was 86.6MB in the beginning and 84.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 17.67ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 83.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 201.87ms. Allocated memory is still 159.4MB. Free memory was 83.6MB in the beginning and 73.7MB in the end (delta: 9.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2515.42ms. Allocated memory was 159.4MB in the beginning and 125.8MB in the end (delta: -33.6MB). Free memory was 73.5MB in the beginning and 35.4MB in the end (delta: 38.1MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 27 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital52 mio100 ax100 hnf100 lsp55 ukn92 mio100 lsp63 div100 bol100 ite100 ukn100 eq163 hnf96 smp87 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]: 161, Number of transitions in reduction automaton: 68, Number of states in reduction automaton: 44, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:54:08,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...